AMD Ryzen 5 7640U vs Intel Core i5-13400F Comparison

Head-to-Head Benchmarks

The head-to-head data is decisively lopsided. The Intel Core i5-13400F wins 18 of the 19 direct comparisons, with the AMD Ryzen 5 7640U taking only a single victory. That lone AMD win is in Geekbench single-core, where it scores 2127 against Intel's 1996, a 6.6% advantage. This is a notable outlier, as the remaining single-threaded tests all favor Intel.

The most significant Intel advantage appears in floating-point math. The i5-13400F scores 60539 in Passmark floating-point math, while the Ryzen 5 7640U manages 41093, a 32.1% gap. This is the largest deltaPct in the entire comparison. The multi-core Cinebench tests tell a similar story. In Cinebench R23 multi-core, Intel scores 22604 versus AMD's 17936, a 20.7% deficit for the Ryzen. The same 20.7% delta appears in both Cinebench R15 multi-core (2278 vs 1807) and Cinebench R23 single-core (3191 vs 2532), showing consistency in Intel's favor across rendering workloads.

Geekbench multi-core shows the widest gap in percentage terms after floating-point math. Intel's 11068 score tops AMD's 8595 by 22.3%. The data encryption test is comparatively close, with Intel ahead by only 10% (16608 vs 14954). Similarly, Passmark integer math sees a modest 11.8% Intel lead (79942 vs 70483), and random string sorting shows just an 8.4% difference (32076 vs 29382). The tightest margin in the entire set is Passmark single-thread, where Intel leads by only 3% (3634 vs 3524).

Intermediate gaps appear in several tests. Cinebench R20 shows Intel ahead by 15.3% in both multi-core (8892 vs 7533) and single-core (1255 vs 1063). Passmark multithread has Intel at 25032 versus AMD's 21115, a 15.6% lead. Extended instructions favor Intel by 14.2% (19847 vs 17019), and the physics test shows an 18.6% Intel advantage (1437 vs 1169). Prime number finding is close in absolute terms — 83 vs 74 — but that still represents a 10.8% gap.

The data compression result is worth calling out for its magnitude. Intel's 311364 score against AMD's 240032 is a 22.9% difference, nearly matching the Geekbench multi-core gap. Across all 18 Intel wins, the average deltaPct is approximately 15.7%, but the range spans from that tight 3% single-thread margin to the 32.1% floating-point blowout.

Where Each One Wins

The AMD Ryzen 5 7640U wins exactly one benchmark category: Geekbench single-core. That 6.6% edge suggests a specific strength in lightly-threaded, mixed-integer workloads that Geekbench emphasizes. However, the Passmark single-thread test contradicts this, giving Intel a 3% lead (3634 vs 3524). So the AMD advantage is not universal even within single-threaded scenarios; it appears workload-specific rather than a general property of the architecture.

Intel's wins span every other category. The floating-point math result (32.1% ahead) indicates a substantial advantage in scientific computing and simulation workloads that rely heavily on FPU throughput. The Cinebench family of tests — R15, R20, R23 — all show consistent 15-21% Intel leads in both multi-core and single-core variants, pointing to strong rendering and 3D modeling performance. The multi-core rendering scores (Cinebench R23 22604 vs 17936) are particularly relevant for video encoding and batch rendering tasks.

For data-centric workloads, Intel leads across the board. Data compression shows a 22.9% advantage, making it better suited for file archiving and database operations. Data encryption is 10% faster, helping in security and VPN workloads. Extended instructions (SIMD-heavy code) run 14.2% faster on Intel. Integer math and random string sorting, both relevant for text processing and general computation, favor Intel by 11.8% and 8.4% respectively.

The physics test (18.6% Intel lead) and multithread benchmark (15.6% lead) round out the picture. In practical terms, Intel dominates in every multi-threaded scenario tested, and even in most single-threaded scenarios. The sole AMD win in Geekbench single-core suggests that for certain lightweight, latency-sensitive applications, the Ryzen 5 7640U may deliver a smoother response, but the majority of evidence points to Intel being the stronger processor for compute-heavy tasks.

The Verdict

The data is unambiguous. The Intel Core i5-13400F wins 18 of 19 head-to-head benchmarks, with an average margin around 15% across those victories. For anyone prioritizing raw computational throughput — rendering, floating-point math, data compression, encryption — the i5-13400F is the clear choice. Its Cinebench R23 multi-core score of 22604 versus 17936 makes it particularly suited for 3D rendering and video production workloads.

The AMD Ryzen 5 7640U's single Geekbench single-core win (2127 vs 1996, a 6.6% advantage) indicates it may have an edge in certain lightweight, single-threaded applications. However, the Passmark single-thread test contradicts this, giving Intel a 3% lead. The weight of evidence suggests that for most single-threaded work, the two are closely matched, with Intel holding a slight edge.

The market segments tell a different story that the benchmark data alone cannot capture. The Ryzen 5 7640U is a mobile processor on AMD Socket FP8 with a 15W TDP, while the i5-13400F is a desktop part on Intel Socket 1700 with a 65W TDP. The i5-13400F also carries a launch MSRP of $196. Users seeking a desktop replacement or workstation build should favor Intel based on the benchmark results. Those constrained to a mobile platform have only the AMD option as a direct comparison, and its performance is competitive despite the significant TDP disadvantage. The data shows Intel as the performance leader, but the AMD part's mobility profile means the choice depends heavily on form factor requirements.

FAQ

Q: Which processor wins more benchmarks?

A: The Intel Core i5-13400F wins 18 of 19 head-to-head comparisons. The AMD Ryzen 5 7640U wins only the Geekbench single-core test, where it scores 2127 versus Intel's 1996, a 6.6% advantage.

Q: How large is the performance gap in multi-core rendering?

A: In Cinebench R23 multi-core, the i5-13400F scores 22604 against the Ryzen 5 7640U's 17936, a 20.7% difference. Cinebench R15 multi-core shows a similar 20.7% gap (2278 vs 1807), while Cinebench R20 multi-core shows a 15.3% gap (8892 vs 7533).

Q: Is the AMD Ryzen 5 7640U better in any single-threaded test?

A: Yes, in Geekbench single-core, the AMD part scores 2127 versus Intel's 1996, winning by 6.6%. However, in Passmark single-thread, Intel wins 3634 to 3524, a 3% advantage, and in Cinebench R23 single-core, Intel wins 3191 to 2532, a 20.7% margin.

Q: Where is the Intel processor's biggest advantage?

A: The largest deltaPct is in Passmark floating-point math, where Intel scores 60539 against AMD's 41093, a 32.1% lead. The second-largest is Geekbench multi-core, with Intel ahead by 22.3% (11068 vs 8595).

Q: What are the core and thread counts for each processor?

A: The AMD Ryzen 5 7640U has 6 cores and 12 threads. The Intel Core i5-13400F has 10 cores and 16 threads. The Intel part also has a higher L3 cache at 20 MB shared, compared to AMD's 16 MB shared.

Q: Which processor supports ECC memory?

A: The AMD Ryzen 5 7640U supports ECC memory, while the Intel Core i5-13400F does not. Both support dual-channel memory, with AMD supporting DDR5 only, while Intel supports both DDR4 and DDR5.

Architecture Differences

The two processors come from fundamentally different design philosophies. The AMD Ryzen 5 7640U is built on Zen 4 architecture, codenamed Phoenix, and manufactured on a 4 nm process by TSMC. It houses 25,000 million transistors on a 178 mm² die. The Intel Core i5-13400F uses Raptor Lake architecture, codenamed Raptor Lake-S, and is manufactured on a 10 nm process by Intel, with a 215 mm² die size and no transistor count listed.

Cache hierarchies differ notably. The AMD part has 64 KB of L1 cache per core and 1 MB of L2 per core, with 16 MB of shared L3. Intel's design uses 80 KB of L1 per core and 1.25 MB of L2 per core, with 20 MB of shared L3. This gives Intel a larger total cache footprint, which likely contributes to its performance in cache-sensitive workloads like data compression.

Memory support diverges sharply. AMD supports only DDR5 in dual-channel configuration, with a memory bandwidth of 89.6 GB/s and ECC support enabled. Intel supports both DDR4 and DDR5 in dual-channel, with no ECC capability and no memory bandwidth figure listed. The PCIe implementation also differs: AMD uses Gen 4 with 20 lanes (CPU only), while Intel uses Gen 5 with 16 lanes (CPU only), giving Intel a newer PCIe generation despite fewer lanes.

The AMD part includes integrated graphics (Radeon 760M), while the Intel Core i5-13400F has no integrated graphics, as indicated by the "F" designation. Both processors are production-active, but the AMD part is a mobile segment processor on AMD Socket FP8, released in May 2023, while Intel is a desktop segment processor on Intel Socket 1700, released in January 2023. Neither processor has an unlocked multiplier.

Specification Differences

The most striking specification difference is TDP. The AMD Ryzen 5 7640U has a 15W TDP, while the Intel Core i5-13400F has a 65W TDP — a more than fourfold difference. This aligns with their respective market segments: mobile versus desktop.

Clock speeds also differ. AMD has a base clock of 3.50 GHz and a boost clock of 4.90 GHz. Intel has a lower base clock of 2.50 GHz but a boost clock of 4.60 GHz, which is 0.30 GHz lower than AMD's boost. Despite the lower boost, Intel wins the vast majority of benchmark comparisons.

Core counts: AMD offers 6 cores and 12 threads, while Intel offers 10 cores and 16 threads, giving Intel 4 more cores and 4 more threads. The cache difference follows — Intel has 20 MB of shared L3 versus AMD's 16 MB, and larger per-core L1 (80 KB vs 64 KB) and L2 (1.25 MB vs 1 MB) allocations.

Memory support differs as noted: AMD is DDR5-only with ECC, while Intel supports both DDR4 and DDR5 without ECC. The AMD part has a listed memory bandwidth of 89.6 GB/s; Intel has no bandwidth figure. PCIe generations differ (Gen 4 for AMD, Gen 5 for Intel), as do lane counts (20 vs 16). Integrated graphics are present only on AMD. The launch MSRP for Intel is $196; AMD has no launch MSRP listed. Manufacturing process nodes differ (4 nm vs 10 nm), and the die size is larger for Intel (215 mm² vs 178 mm²), though AMD's transistor count of 25,000 million is listed while Intel's is not.