INTEL

Intel Core i7-4940MX

Intel processor specifications and benchmark scores

4
Cores
8
Threads
4
GHz Boost
57W
TDP
🔓Unlocked 🖥️Integrated GPU

Intel Core i7-4940MX Specifications

⚙️

Core i7-4940MX Core Configuration

Processing cores and threading

The Intel Core i7-4940MX features 4 physical cores and 8 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
4
Threads
8
SMP CPUs
1
⏱️

i7-4940MX Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in Core i7-4940MX 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 Core i7-4940MX by Intel can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
3.1 GHz
Boost Clock
4 GHz
Multiplier
31x 🔓
💾

Intel's Core i7-4940MX Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the i7-4940MX 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 Core i7-4940MX'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
256 KB (per core)
L3 Cache
8 MB (shared)
🏗️

Haswell Architecture & Process

Manufacturing and design details

The Intel Core i7-4940MX is built on Intel's 22 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 i7-4940MX incorporate advanced branch prediction and out-of-order execution for optimal performance.

Architecture
Haswell
Codename
Haswell
Process Node
22 nm
Foundry
Intel
Transistors
1,400 million
Die Size
177 mm²
Generation
Core i7 Extreme (Haswell)
🔢

Haswell Instruction Set Features

Supported CPU instructions and extensions

The Core i7-4940MX by Intel 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
SSE4.1
SSE4.2
AVX
AVX2
FMA3
AES-NI
F16C
BMI1
BMI2
Intel 64
VT-x
VT-d
🔌

i7-4940MX Power & Thermal

TDP and power specifications

The Intel Core i7-4940MX has a TDP (Thermal Design Power) of 57W, 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
57W
🔧

Intel Socket G3 Platform & Socket

Compatibility information

The Core i7-4940MX uses the Intel Socket G3 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
Intel Socket G3
Chipsets
QM87, HM87, HM86
PCIe
Gen 3, 16 Lanes(CPU only)
Package
FC-PGA946
DDR5

Intel Socket G3 Memory Support

RAM compatibility and speeds

Memory support specifications for the i7-4940MX 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 Core i7-4940MX 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
DDR3
Memory Bus
Dual-channel
Memory Bandwidth
25.6 GB/s
🖥️

Intel's Core i7-4940MX Integrated Graphics

Built-in GPU specifications

The Intel Core i7-4940MX 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 i7-4940MX 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
Intel HD 4600
Graphics Model
Intel HD 4600
📦

Core i7-4940MX Product Information

Release and pricing details

The Intel Core i7-4940MX is manufactured by Intel 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 Core i7-4940MX by Intel offers a specific balance of performance, features, and cost within Intel's product lineup.

Manufacturer
Intel
Release Date
Jan 2014
Launch Price
$1096
Market
Mobile
Status
End-of-life
Part Number
SR1PP

Core i7-4940MX Benchmark Scores

cinebench_cinebench_r15_multicoreSource

Cinebench R15 multi-core renders a complex 3D scene using all CPU threads simultaneously. This test reveals how Intel Core i7-4940MX performs in parallel rendering workloads like video production and 3D animation. Higher scores mean faster render times in professional applications.

cinebench_cinebench_r15_multicore #1047 of 1788
579
4%
Max: 14,978

cinebench_cinebench_r15_singlecoreSource

Cinebench R15 single-core measures the speed of one CPU thread rendering 3D geometry. This score indicates how Intel Core i7-4940MX handles tasks that can't be parallelized across multiple cores. Games and many desktop applications still rely heavily on single-thread performance.

cinebench_cinebench_r15_singlecore #1050 of 1245
81
4%
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 Intel Core i7-4940MX.

cinebench_cinebench_r20_multicore #1047 of 1788
2,415
4%
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 Intel Core i7-4940MX.

cinebench_cinebench_r20_singlecore #1047 of 1784
340
4%
Max: 8,811

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 Intel Core i7-4940MX after thermal limits kick in.

cinebench_cinebench_r23_multicore #1047 of 1788
5,750
4%
Max: 148,601
Compare with other CPUs

cinebench_cinebench_r23_singlecoreSource

Cinebench R23 single-core measures sustained single-thread performance over 10 minutes. This reveals how Intel Core i7-4940MX maintains boost clocks under continuous load.

cinebench_cinebench_r23_singlecore #1047 of 1788
811
4%
Max: 20,979

geekbench_multicoreSource

Geekbench multi-core tests Intel Core i7-4940MX across real-world workloads including image processing, machine learning, and data compression. All available threads are utilized to measure parallel performance.

geekbench_multicore #388 of 711
3,869
17%
Max: 22,515
Compare with other CPUs

geekbench_singlecoreSource

Geekbench single-core measures how fast one thread of Intel Core i7-4940MX can process tasks like web browsing and document editing. This score correlates with how snappy the system feels during normal use.

geekbench_singlecore #383 of 711
1,227
36%
Max: 3,401
Compare with other CPUs

About Intel Core i7-4940MX

Let's be real, the Intel Core i7-4940MX was a beast in its day, but how does its 22nm Haswell architecture hold up now? This quad-core, eight-thread mobile Extreme Edition chip packed serious punch with its 3.1 GHz base clock screaming up to a 4.0 GHz turbo, a feat that demanded respect from its hefty 57W TDP. Its thermal design was the ultimate compromise, offering desktop-class performance in a laptop chassis if you could handle the fan noise and heat. The 8MB of shared L3 cache was generous for the era, feeding those hungry cores efficiently. So, what were the ideal workloads for this flagship mobile processor? It absolutely crushed content creation, heavy multitasking, and, of course, gaming, though modern titles will push it hard. Benchmark data like its 5,750 points in Cinebench R23 multi-core shows it was no slouch, but today's ultra-efficient chips make you question that power draw. Ultimately, this unlocked mobile CPU was a legend for enthusiasts who needed maximum performance on the go.

  • Desktop replacement gaming and content creation
  • Heavy multitasking and VM workloads
  • CPU-intensive legacy software applications
  • Enthusiast-grade overclocking in capable laptops

The AMD Equivalent of Core i7-4940MX

Looking for a similar processor from AMD? The AMD Ryzen 7 1700 offers comparable performance and features in the AMD lineup.

AMD Ryzen 7 1700

AMD • 8 Cores

View Specs Compare

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