AMD Ryzen 7 PRO 8840HS vs Intel Core 3 305 Comparison

Head-to-Head Benchmarks

The recorded data shows a clear split in workload types between the AMD Ryzen 7 PRO 8840HS and the Intel Core 3 305. Across the 15 head-to-head benchmark comparisons in the database, the AMD processor wins 11, while the Intel processor takes 4. The magnitude of those wins, however, differs sharply.

The AMD Ryzen 7 PRO 8840HS dominates in multi-threaded and throughput-oriented tests. Its largest margin comes in PassMark integer math, where it scores 93,342 against Intel's 32,295, a lead of 189%. That is the single biggest delta in the entire comparison. Data compression follows a similar pattern: the AMD chip scores 311,199 versus 146,857, a 111.9% advantage. Random string sorting shows a 115.2% delta in AMD's favor, with scores of 37,922 and 17,623 respectively.

The AMD processor also shows decisive advantages in encryption and extended instruction workloads. In PassMark data encryption, the AMD chip posts 18,838 against 11,019, a 71% lead. Extended instructions show a 64.6% gap, with scores of 22,298 and 13,543. Floating point math favors AMD by 31.8%, at 55,739 versus 42,284. The multithread score in PassMark is 26,646 for AMD and 15,439 for Intel, a 72.6% difference. Even the physics test, which is often less parallel, shows AMD ahead by 9.6%, at 1,351 versus 1,233.

Cinebench results tell a more nuanced story. In Cinebench R23 multi-core, the AMD chip scores 14,784 against 13,123, a 12.7% win. The older Cinebench R15 multi-core test shows a much larger gap: 2,458 versus 1,322, an 85.9% lead for AMD. Single-core results are where Intel fights back. In Cinebench R23 single-core, the Intel Core 3 305 scores 1,852 against AMD's 1,724, a 6.9% advantage. In Cinebench R15 single-core, AMD wins 271.5 to 186, a 46% margin. This makes the single-core picture inconsistent across test versions: AMD is far ahead in R15, but Intel is ahead in R23.

The PassMark single-thread tests favor Intel consistently. In PassMark single-thread (recorded under both "single_thread" and "singlethread" labels), Intel scores 3,977 versus AMD's 3,692, a 7.2% lead. The final Intel win is in PassMark find prime numbers: 115 versus 84, a 27% advantage for Intel. These four wins for Intel are all in single-threaded or specific math operations, while AMD's 11 wins span multi-core, encryption, compression, sorting, and general math workloads.

Architecture Differences

The two processors come from different manufacturing approaches and design families. The AMD Ryzen 7 PRO 8840HS is built on TSMC's 4 nm process node, uses the Zen 4 architecture, and carries the codename Hawk Point. It belongs to the 8000 series and integrates 25,000 million transistors on a 178 mm² die. The Intel Core 3 305 uses Intel's 3 nm process node with the Wildcat Lake codename and belongs to the Core 3 generation. The database does not list a transistor count or die size for the Intel part.

Core and thread counts differ substantially. The AMD chip has 8 cores and 16 threads, while the Intel chip has 6 cores and 6 threads. This means the AMD processor supports simultaneous multithreading, doubling its thread count, while the Intel processor has a 1:1 core-to-thread ratio. The AMD base clock is 3.30 GHz with a boost clock of 5.10 GHz. The Intel base clock is much lower at 1.50 GHz, boosting to 4.30 GHz.

Cache layouts are also distinct. The AMD chip uses a per-core L1 of 64 KB, per-core L2 of 1 MB, and a shared L3 of 16 MB. The Intel chip lists an L1 of 192 KB, L2 of 2.5 MB, and a shared L3 of 6 MB. These figures are not directly comparable due to different reporting methods, but the total L3 capacity clearly favors AMD by a wide margin.

Memory support shows another divergence. The AMD processor supports DDR5 with a dual-channel memory bus and a recorded memory bandwidth of 89.6 GB/s. It also supports ECC memory. The Intel processor supports DDR5 and LPDDR5X, but uses a single-channel memory bus with 59.7 GB/s bandwidth and no ECC support. PCIe lanes also differ: AMD provides Gen 4 with 20 lanes (CPU only), while Intel provides Gen 4 with 6 lanes (CPU only).

Integrated graphics are present on both. The AMD chip uses the Radeon 780M, while the Intel chip uses Intel Xe3 Graphics with 1 Xe core. The database does not provide benchmark scores for these iGPUs, so the comparison is limited to their presence and naming.

Thermal design power differs by 13 watts. The AMD processor is rated at 28 W TDP, while the Intel processor is rated at 15 W TDP. Both use mobile sockets: AMD Socket FP7 for the AMD chip, Intel BGA 1516 for the Intel chip. Neither processor has an unlocked multiplier. The AMD part is listed with a release date of 2024-04-15, while the Intel part has a release date of 2026-04-15. The Intel part has a launch MSRP of $309; the AMD part has no launch MSRP recorded in the database.

FAQ

Q: Which processor has more cores and threads?

A: The AMD Ryzen 7 PRO 8840HS has 8 cores and 16 threads. The Intel Core 3 305 has 6 cores and 6 threads.

Q: Which processor shows a larger multi-core performance advantage?

A: The AMD chip wins all multi-core benchmarks. The largest margin is in PassMark integer math at 189%, and the smallest is in Cinebench R23 multi-core at 12.7%.

Q: Does the Intel processor win any benchmarks?

A: Yes. The Intel Core 3 305 wins Cinebench R23 single-core by 6.9%, PassMark single-thread by 7.2% (recorded in two tests), and PassMark find prime numbers by 27%.

Q: What are the memory bandwidth differences?

A: The AMD processor has a dual-channel memory bus with 89.6 GB/s bandwidth. The Intel processor has a single-channel memory bus with 59.7 GB/s bandwidth.

Q: Which processor supports ECC memory?

A: Only the AMD Ryzen 7 PRO 8840HS supports ECC memory. The Intel Core 3 305 does not.

Q: How do the TDP ratings compare?

A: The AMD processor is rated at 28 W TDP. The Intel processor is rated at 15 W TDP.

The Verdict

The benchmark data points to a clear division of labor. The AMD Ryzen 7 PRO 8840HS is the stronger processor for multi-threaded and data-heavy workloads. Its wins span 11 of 15 benchmarks, including all multi-core tests, all encryption and compression tests, and all math tests except prime number finding. The margins in integer math, data compression, and random string sorting are all above 100%, indicating a substantial throughput advantage.

The Intel Core 3 305 wins in specific single-threaded tasks. It leads in Cinebench R23 single-core, PassMark single-thread, and PassMark find prime numbers. These wins suggest that for workloads that depend on raw single-core speed or simple prime-number calculations, the Intel chip can outperform the AMD chip. However, the single-core picture is not uniform: the AMD chip wins Cinebench R15 single-core by 46%, which means the Intel advantage is not consistent across all single-thread tests.

The average benchmark score in the database reflects this overall gap. The AMD chip has an average benchmark score of 39,603, while the Intel chip has 18,302. The AMD chip sits at the 87th percentile of all CPUs, compared to the 72nd percentile for the Intel chip. The nearest rivals in the database for the AMD chip are other AMD and EPYC parts with average scores between 39,215 and 39,768, all within 1% of the AMD chip's score. The Intel chip's nearest rivals include the Intel Core i3-14100 at 18,318 and the Intel Core 5 330 at 18,345, all within 0.4% of the Intel chip's score.

For users prioritizing multi-core throughput, data compression, encryption, or floating-point math, the AMD processor is the clear choice based on the recorded data. For users whose workloads are dominated by single-threaded performance and prime-number operations, the Intel processor shows an advantage in those specific tests. The 28 W TDP of the AMD chip versus the 15 W TDP of the Intel chip also indicates different power envelopes, though the database does not measure actual power consumption.

Specification Differences

The two processors differ in the following recorded specifications:

• Cores: AMD 8, Intel 6
• Threads: AMD 16, Intel 6
• Base clock: AMD 3.30 GHz, Intel 1.50 GHz
• Boost clock: AMD 5.10 GHz, Intel 4.30 GHz
• TDP: AMD 28 W, Intel 15 W
• Socket: AMD Socket FP7, Intel BGA 1516
• Architecture: AMD Zen 4, Intel not listed (codename Wildcat Lake)
• Process node: AMD 4 nm (TSMC), Intel 3 nm (Intel)
• L1 cache: AMD 64 KB per core, Intel 192 KB total
• L2 cache: AMD 1 MB per core, Intel 2.5 MB total
• L3 cache: AMD 16 MB shared, Intel 6 MB shared
• Memory support: AMD DDR5, Intel DDR5 and LPDDR5X
• Memory bus: AMD dual-channel, Intel single-channel
• Memory bandwidth: AMD 89.6 GB/s, Intel 59.7 GB/s
• ECC memory: AMD yes, Intel no
• PCIe: AMD Gen 4, 20 lanes, Intel Gen 4, 6 lanes
• Integrated graphics: AMD Radeon 780M, Intel Xe3 Graphics (1 Xe)
• Release date: AMD 2024-04-15, Intel 2026-04-15

Where Each One Wins

The AMD Ryzen 7 PRO 8840HS wins in every multi-threaded and throughput benchmark in the database. The largest margins are in integer math (189%), random string sorting (115.2%), and data compression (111.9%). It also wins in data encryption (71%), multithread (72.6%), extended instructions (64.6%), floating-point math (31.8%), and Cinebench R15 multi-core (85.9%). The smallest AMD wins are in Cinebench R23 multi-core (12.7%) and physics (9.6%). These results indicate a processor suited to parallel workloads, data processing, and compute-heavy tasks.

The Intel Core 3 305 wins in Cinebench R23 single-core (6.9%), PassMark single-thread (7.2% in both recorded variants), and PassMark find prime numbers (27%). These wins are confined to single-threaded or specific integer-prime workloads. The Intel chip also has a lower TDP of 15 W versus 28 W, which suggests a lower power envelope, though the database does not include power consumption measurements. The Intel chip supports LPDDR5X memory, which the AMD chip does not list, and has a smaller L3 cache at 6 MB versus 16 MB.

For single-threaded application responsiveness as measured by PassMark, the Intel chip has a slight edge. For prime number calculations, the Intel chip is clearly ahead. For everything else in the recorded benchmarks, the AMD chip is faster, often by a wide margin. The choice depends on whether the target workload is single-threaded and prime-heavy or multi-threaded and data-intensive.