AMD

AMD Ryzen 7 7840H

AMD processor specifications and benchmark scores

8
Cores
16
Threads
5.1
GHz Boost
35W
TDP
🖥️Integrated GPU 🛡️ECC Memory

AMD Ryzen 7 7840H Specifications

⚙️

Ryzen 7 7840H Core Configuration

Processing cores and threading

The AMD Ryzen 7 7840H features 8 physical cores and 16 threads, which directly impacts multi-threaded performance in CPU benchmarks. More cores allow the processor to handle parallel workloads efficiently, improving performance in video editing, 3D rendering, and multitasking scenarios. Thread count determines how many simultaneous tasks the CPU can process, with higher thread counts benefiting productivity applications and content creation workflows.

Cores
8
Threads
16
SMP CPUs
1
⏱️

7 7840H Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in Ryzen 7 7840H benchmark performance, measured in GHz. The base clock represents the guaranteed operating frequency, while the boost clock indicates maximum single-core performance under optimal conditions. Higher clock speeds translate to faster single-threaded performance, which is essential for gaming and applications that don't fully utilize multiple cores. The Ryzen 7 7840H by AMD can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
3.8 GHz
Boost Clock
5.1 GHz
Multiplier
38x
💾

AMD's Ryzen 7 7840H Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the 7 7840H processor die. L1 cache provides the fastest access for frequently used data, while L2 and L3 caches offer progressively larger storage with slightly higher latency. Larger cache sizes significantly improve CPU benchmark scores by reducing memory access times. The Ryzen 7 7840H's cache configuration is optimized for both gaming performance and productivity workloads, minimizing data fetch delays during intensive computations.

L1 Cache
64 KB (per core)
L2 Cache
1 MB (per core)
L3 Cache
16 MB (shared)
🏗️

Zen 4 Architecture & Process

Manufacturing and design details

The AMD Ryzen 7 7840H is built on AMD's 4 nm manufacturing process, which determines power efficiency and thermal characteristics. Smaller process nodes allow for more transistors in the same space, enabling higher performance per watt. The architecture defines how the processor handles instructions and manages data flow, directly impacting benchmark results across different workload types. Modern CPU architectures like the one in 7 7840H incorporate advanced branch prediction and out-of-order execution for optimal performance.

Architecture
Zen 4
Codename
Phoenix
Process Node
4 nm
Foundry
TSMC
Transistors
25,000 million
Die Size
178 mm²
Generation
Ryzen 7 (Zen 4 (Phoenix))
🔢

Zen 4 Instruction Set Features

Supported CPU instructions and extensions

The Ryzen 7 7840H by AMD supports various instruction set extensions that enable optimized performance for specific workloads. SIMD instructions like SSE and AVX accelerate multimedia, scientific computing, and AI workloads by processing multiple data points simultaneously. Features like AES-NI provide hardware-accelerated encryption, while AVX-512 (if supported) enables advanced vector processing for data centers and high-performance computing. These instruction sets are critical for software compatibility and performance in modern applications.

MMX
SSE
SSE2
SSE3
SSSE3
SSE4A
SSE4.1
SSE4.2
AES
AVX
AVX2
AVX-512
BMI1
BMI2
SHA
F16C
FMA3
AMD64
AMD-V
SMAP
SMEP
SMT
Precision Boost 2
XFR 2
🔌

7 7840H Power & Thermal

TDP and power specifications

The AMD Ryzen 7 7840H has a TDP (Thermal Design Power) of 35W, indicating the cooling solution required for sustained operation. TDP affects both system power consumption and the type of cooler needed. Lower TDP processors are ideal for compact builds and laptops, while higher TDP chips typically offer better sustained performance in demanding CPU benchmarks. Understanding power requirements helps ensure your system can deliver consistent performance without thermal throttling.

TDP
35W
Tj Max
100°C
Configurable TDP
35-54 W
🔧

AMD Socket FP8 Platform & Socket

Compatibility information

The Ryzen 7 7840H uses the AMD Socket FP8 socket, which determines motherboard compatibility. Choosing the right platform is essential for building a system around this processor. The socket type also influences available features like PCIe lanes, memory support, and upgrade paths. When comparing CPU benchmarks, ensure you're looking at processors compatible with your existing or planned motherboard to make informed purchasing decisions.

Socket
AMD Socket FP8
PCIe
Gen 4, 20 Lanes(CPU only)
Package
FP8, FP7, FP7r2
DDR5

AMD Socket FP8 Memory Support

RAM compatibility and speeds

Memory support specifications for the 7 7840H define which RAM types and speeds are compatible. Faster memory can significantly improve CPU benchmark performance, especially in memory-intensive applications and gaming. The memory controller integrated into the Ryzen 7 7840H determines maximum supported speeds and channels. Dual-channel or quad-channel memory configurations can double or quadruple memory bandwidth, providing noticeable performance gains in content creation and scientific workloads.

Memory Type
DDR5
Memory Bus
Dual-channel
Memory Bandwidth
89.6 GB/s
ECC Memory
Supported
🖥️

AMD's Ryzen 7 7840H Integrated Graphics

Built-in GPU specifications

The AMD Ryzen 7 7840H includes integrated graphics, eliminating the need for a dedicated GPU in basic computing scenarios. Integrated graphics are ideal for office productivity, video playback, and light gaming. While not designed for demanding GPU benchmarks, the iGPU in the 7 7840H provides hardware video encoding and decoding capabilities. This makes the processor suitable for compact builds, HTPCs, and systems where power efficiency is prioritized over gaming performance.

iGPU
Radeon 780M
Graphics Model
Radeon 780M
📦

Ryzen 7 7840H Product Information

Release and pricing details

The AMD Ryzen 7 7840H is manufactured by AMD and represents their commitment to delivering competitive CPU performance. Understanding the release date and pricing helps contextualize benchmark comparisons with other processors from the same generation. Launch pricing provides a baseline for evaluating value, though street prices often differ. Whether you're building a new system or upgrading, the Ryzen 7 7840H by AMD offers a specific balance of performance, features, and cost within AMD's product lineup.

Manufacturer
AMD
Market
Mobile
Status
Active
Part Number
100-000000955(FP7r2)100-000000964(FP7)100-000001129(FP8)

Ryzen 7 7840H Benchmark Scores

3dmark_16_threadsSource

3DMark 16-thread tests AMD Ryzen 7 7840H with heavily-threaded game workloads. This shows performance in games that fully utilize high-core-count CPUs for maximum parallelization. The most demanding and well-optimized games can leverage this many threads. Streaming while gaming also benefits from having many threads available.

3dmark_16_threads #73 of 166
7,461
46%
Max: 16,374
Compare with other CPUs

3dmark_2_threadsSource

3DMark 2-thread tests AMD Ryzen 7 7840H performance with dual-threaded game workloads. This shows capability in games that use limited parallelization typical of older titles.

3dmark_2_threads #65 of 166
1,906
75%
Max: 2,549
Compare with other CPUs

3dmark_4_threadsSource

3DMark 4-thread tests AMD Ryzen 7 7840H with quad-threaded game workloads. This shows performance in games optimized for four cores, which represents many current titles. Quad-core optimization is common in mainstream game development. This test represents the sweet spot for many popular multiplayer and competitive games.

3dmark_4_threads #60 of 166
3,638
73%
Max: 4,963

3dmark_8_threadsSource

3DMark 8-thread tests AMD Ryzen 7 7840H with octa-threaded game workloads. This shows performance in well-optimized modern games that leverage eight threads effectively.

3dmark_8_threads #62 of 166
6,116
66%
Max: 9,298

3dmark_max_threadsSource

3DMark max threads tests AMD Ryzen 7 7840H using all available threads for game workloads. This shows the maximum parallel gaming performance capability of the processor.

3dmark_max_threads #80 of 166
7,409
40%
Max: 18,441

3dmark_single_threadSource

3DMark CPU single-thread tests how AMD Ryzen 7 7840H handles game physics and AI calculations on one core. This is critical for games that rely on single-thread performance.

3dmark_single_thread #70 of 166
976
75%
Max: 1,293

cinebench_cinebench_r15_multicoreSource

Cinebench R15 multi-core renders a complex 3D scene using all CPU threads simultaneously. This test reveals how AMD Ryzen 7 7840H performs in parallel rendering workloads.

cinebench_cinebench_r15_multicore #314 of 1788
2,392
16%
Max: 14,978
Compare with other CPUs

cinebench_cinebench_r15_singlecoreSource

Cinebench R15 single-core measures the speed of one CPU thread rendering 3D geometry. This score indicates how AMD Ryzen 7 7840H handles tasks that can't be parallelized.

cinebench_cinebench_r15_singlecore #314 of 1245
337
16%
Max: 2,114

cinebench_cinebench_r20_multicoreSource

Cinebench R20 multi-core uses a scene requiring 4x more computational power than R15. This test better reflects modern CPU capabilities for professional rendering on AMD Ryzen 7 7840H. The more demanding workload provides better differentiation between current-generation processors. Content creators and 3D artists use this benchmark to estimate real-world render performance.

cinebench_cinebench_r20_multicore #314 of 1788
9,967
16%
Max: 62,412
Compare with other CPUs

cinebench_cinebench_r20_singlecoreSource

Cinebench R20 single-core tests one thread against a more demanding scene than R15. This reveals the true single-thread rendering capability of AMD Ryzen 7 7840H. The increased complexity provides more accurate performance differentiation between modern CPUs. Single-thread performance remains critical for gaming and applications with serial bottlenecks.

cinebench_cinebench_r20_singlecore #314 of 1784
1,407
16%
Max: 8,811
Compare with other CPUs

cinebench_cinebench_r23_multicoreSource

Cinebench R23 multi-core is the current standard for CPU rendering benchmarks with a 10-minute minimum runtime. This extended test reveals sustained performance of AMD Ryzen 7 7840H after thermal limits kick in. The longer duration exposes cooling limitations that shorter benchmarks miss. Professional users rely on R23 scores to predict real-world rendering performance under sustained workloads.

cinebench_cinebench_r23_multicore #314 of 1788
23,731
16%
Max: 148,601
Compare with other CPUs

🏆 Top 5 Performers

cinebench_cinebench_r23_singlecoreSource

Cinebench R23 single-core measures sustained single-thread performance over 10 minutes. This reveals how AMD Ryzen 7 7840H maintains boost clocks under continuous load. The extended runtime shows whether thermal throttling affects single-core performance. This score is particularly important for understanding real-world responsiveness beyond initial boost behavior.

cinebench_cinebench_r23_singlecore #314 of 1788
3,350
16%
Max: 20,979
Compare with other CPUs

passmark_data_compressionSource

Data compression measures how fast AMD Ryzen 7 7840H can compress and decompress files. This is important for archiving, backup software, and file transfer applications. Higher scores mean faster ZIP, RAR, and backup operations. Software distribution and cloud storage services benefit from efficient compression performance.

passmark_data_compression #206 of 528
341,520
6%
Max: 5,427,555
Compare with other CPUs

🏆 Top 5 Performers

#1 AMD EPYC 9965
5,427,555
#2 AMD EPYC 9845
4,680,013
#3 AMD EPYC 9755
4,517,407
#4 AMD EPYC 9745
3,929,890

passmark_data_encryptionSource

Data encryption tests how fast AMD Ryzen 7 7840H can encrypt information using AES and other algorithms. This is critical for security applications, VPNs, and secure communications. Modern CPUs with AES-NI hardware acceleration score significantly higher.

passmark_data_encryption #205 of 528
20,162
6%
Max: 316,606
Compare with other CPUs

🏆 Top 5 Performers

#1 AMD EPYC 9965
316,606
#2 AMD EPYC 9845
296,808
#3 AMD EPYC 9755
284,927
#4 AMD EPYC 9754
231,891
#5 AMD EPYC 9745
229,447

passmark_extended_instructionsSource

Extended instructions tests AMD Ryzen 7 7840H performance using SSE and AVX instruction sets. These specialized instructions accelerate multimedia, scientific, and AI workloads. Video encoding and image processing heavily utilize SIMD capabilities. Machine learning inference and scientific computing also benefit from strong SIMD performance.

passmark_extended_instructions #185 of 528
25,654
7%
Max: 392,159
Compare with other CPUs

🏆 Top 5 Performers

#1 AMD EPYC 9965
392,159
#2 AMD EPYC 9845
314,798
#3 AMD EPYC 9755
303,321
#4 AMD EPYC 9745
280,477

passmark_find_prime_numbersSource

Find prime numbers tests AMD Ryzen 7 7840H ability to identify primes through intensive calculations. This is a pure computational benchmark that stresses CPU arithmetic units without memory bottlenecks.

passmark_find_prime_numbers #299 of 528
83
3%
Max: 2,422

passmark_floating_point_mathSource

Floating point math measures how AMD Ryzen 7 7840H handles decimal calculations critical for scientific computing and 3D rendering. This affects performance in CAD and physics simulations. Game physics engines also rely heavily on floating point operations. Scientific and engineering applications benefit significantly from higher floating point scores.

passmark_floating_point_math #246 of 528
58,724
5%
Max: 1,141,430
Compare with other CPUs

🏆 Top 5 Performers

#1 AMD EPYC 9965
1,141,430
#2 AMD EPYC 9845
978,377
#3 AMD EPYC 9755
922,900
#4 AMD EPYC 9745
761,219
#5 AMD EPYC 9655P
710,260

passmark_integer_mathSource

Integer math tests how fast AMD Ryzen 7 7840H processes whole number calculations essential for database operations and compression algorithms. This is fundamental to general computing performance. Encryption and data processing heavily rely on integer operations.

passmark_integer_math #206 of 528
96,692
5%
Max: 1,806,439
Compare with other CPUs

🏆 Top 5 Performers

#1 AMD EPYC 9965
1,806,439
#2 AMD EPYC 9845
1,687,531
#3 AMD EPYC 9755
1,549,946
#4 AMD EPYC 9745
1,224,315

passmark_multithreadSource

PassMark multi-thread tests AMD Ryzen 7 7840H across integer math, floating point, compression, and encryption using all cores. This provides an overall multi-threaded CPU performance score. The combined result reflects general-purpose parallel computing capability.

passmark_multithread #220 of 528
27,919
16%
Max: 174,825
Compare with other CPUs

passmark_physicsSource

Physics tests how AMD Ryzen 7 7840H handles physics simulations used in games and engineering software. This measures performance in calculating object interactions and movements. Games with complex physics benefit from higher scores. Engineering applications like structural analysis and fluid dynamics also rely on physics computation.

passmark_physics #288 of 528
1,301
5%
Max: 27,806
Compare with other CPUs

🏆 Top 5 Performers

#1 AMD EPYC 9755
27,806
#2 AMD EPYC 9655P
26,810
#3 AMD EPYC 9655
25,958
#4 AMD EPYC 9684X
24,686
#5 AMD EPYC 9575F
22,021

passmark_random_string_sortingSource

Random string sorting measures how fast AMD Ryzen 7 7840H can organize text data. This is important for database operations, search indexing, and data processing applications. Applications that process large amounts of text benefit from higher scores. Database servers and search engines rely heavily on efficient string manipulation.

passmark_random_string_sorting #205 of 528
38,938
6%
Max: 609,901
Compare with other CPUs

🏆 Top 5 Performers

#1 AMD EPYC 9965
609,901
#2 AMD EPYC 9755
571,185
#3 AMD EPYC 9845
538,060
#4 AMD EPYC 9745
468,975
#5 AMD EPYC 9655P
455,310

passmark_single_threadSource

PassMark single-thread measures per-core performance of AMD Ryzen 7 7840H across various computational tasks. This score is critical for gaming and single-threaded applications.

passmark_single_thread #220 of 528
3,641
71%
Max: 5,097
Compare with other CPUs

passmark_singlethreadSource

PassMark single-thread measures per-core performance of AMD Ryzen 7 7840H across various computational tasks. This score is critical for gaming and single-threaded applications. Higher scores mean better system responsiveness in everyday use.

passmark_singlethread #220 of 528
3,641
71%
Max: 5,097
Compare with other CPUs

About AMD Ryzen 7 7840H

AMD Ryzen 7 7840H Hardware Review

The AMD Ryzen 7 7840H, part of the Zen 4 (Phoenix) family, represents a significant leap forward in mobile processor design, particularly when it comes to multi-threading capabilities. With 8 cores and 16 threads, this CPU stands out in scenarios demanding parallel processing think content creation, software development, and even virtualization tasks. Its Passmark multithread score of 27,919 points underscores its proficiency; but have you considered how it compares to previous Ryzen generations in demanding workloads? Moreover, its competitiveness against similarly priced Intel offerings, especially in sustained multi-threaded scenarios, merits attention.

When discussing clock speeds, the Ryzen 7 7840H does not disappoint. Featuring a base clock of 3.80 GHz and the ability to turbo up to an impressive 5.10 GHz, this processor provides both robust single-threaded performance and high-speed boosts for bursty tasks. But how does this frequency scaling hold up under thermal constraints during gaming or heavy rendering sessions? The balance between its high boost potential and thermal efficiency is a key point of interest, especially for users who expect consistent performance across varying workloads.

Thermal design is another critical aspect of the Ryzen 7 7840H’s performance profile. With a TDP of 35W, this chip is optimized for mobile platforms, promising an attractive blend of power and efficiency. Yet, one must ask: how well does it manage heat under prolonged stress, and what trade-offs does AMD make to achieve this power profile? The 4 nm process technology plays a significant role here, enabling both compact designs and better energy efficiency, but the real-world thermal behavior in thin-and-light laptops is what users ultimately care about.

  • Passmark data compression: 341,520 points
  • Passmark integer math: 96,692 points
  • Passmark floating-point math: 58,724 points
  • Passmark random string sorting: 38,938 points
  • 16 MB shared L3 cache for quick data access
  • Optimized for gaming, content creation, and professional workflows

Cache hierarchy is where the Ryzen 7 7840H, also known as the AMD Phoenix processor, demonstrates its fine-tuned architecture. The shared 16 MB L3 cache ensures that frequently accessed data is readily available, minimizing latency and accelerating performance across cores. But is this cache size sufficient for the latest professional applications and AAA games, or could a larger cache have further boosted its competitiveness? Ultimately, the combination of multi-threading, clock speeds, and cache design makes the Ryzen 7 7840H a compelling choice for users who demand both flexibility and raw performance in a mobile form factor.

The Intel Equivalent of Ryzen 7 7840H

Looking for a similar processor from Intel? The Intel Core i7-14650HX offers comparable performance and features in the Intel lineup.

Intel Core i7-14650HX

Intel • 16 Cores

View Specs Compare

Popular AMD Ryzen 7 7840H Comparisons

See how the Ryzen 7 7840H stacks up against similar processors from the same generation and competing brands.

Compare Ryzen 7 7840H with Other CPUs

Select another CPU to compare specifications and benchmarks side-by-side.

Browse CPUs