AMD Ryzen 5 7533HS vs AMD Ryzen 5 PRO 8645HS Comparison

FAQ

Q: Which processor has the higher boost clock?

A: The AMD Ryzen 5 PRO 8645HS boosts to 5.00 GHz, while the AMD Ryzen 5 7533HS reaches 4.40 GHz. The base clocks also differ, with the PRO part running at 4.30 GHz versus 3.30 GHz for the 7533HS.

Q: Do these two CPUs use the same socket?

A: Yes, both processors fit into AMD Socket FP7. They also share the same PCIe configuration: Gen 4 with 20 lanes (CPU only).

Q: How do their integrated graphics compare?

A: The Ryzen 5 7533HS integrates a Radeon 660M, while the Ryzen 5 PRO 8645HS comes with a Radeon 760M. Both support DDR5 memory in a dual-channel configuration.

Q: Is ECC memory supported on either chip?

A: Only the AMD Ryzen 5 PRO 8645HS supports ECC memory. The 7533HS does not include this feature, which is a notable distinction for workstation-oriented workloads.

Q: What are the process node differences?

A: The 7533HS is built on TSMC's 6 nm process with a die size of 208 mm². The PRO 8645HS uses TSMC's 4 nm node with a smaller 178 mm² die and 25,000 million transistors.

Q: Which chip has a higher average benchmark score?

A: The Ryzen 5 PRO 8645HS records an average benchmark score of 30,879, compared to 19,364 for the 7533HS. The PRO part sits at the 82nd percentile of all CPUs, versus the 73rd percentile for the 7533HS.

Where Each One Wins

The benchmark data presents a completely one-sided picture: the AMD Ryzen 5 PRO 8645HS wins every single head-to-head test, 17 out of 17. There are no workload categories where the Ryzen 5 7533HS takes a victory. The closest contest appears in PassMark integer math, where the PRO part leads by 30.2%. The largest gap shows up in random string sorting, where the PRO 8645HS is 50.2% ahead.

For single-threaded responsiveness, the PRO 8645HS delivers a 29% advantage in PassMark single-thread scores (3,858 versus 2,740). Cinebench R23 single-core confirms this trend with a 2,787 score against 1,742, a 37.5% lead. Users prioritizing burst performance, application launch times, or lightly-threaded workloads would consistently favor the PRO part.

Multithreaded productivity is another area where the PRO 8645HS dominates. Cinebench R23 multi-core shows 19,742 versus 12,342, again a 37.5% gap. PassMark multithread scores 23,569 against 14,520, a 38.4% difference. The PRO chip also excels in data compression (265,826 versus 168,692, a 36.5% lead) and floating-point math (45,481 versus 27,800, a 38.9% lead). For heavily parallel tasks such as rendering, video encoding, or scientific computation, the PRO 8645HS is the clear choice.

The extended instructions test shows the widest relative margin outside sorting: the PRO 8645HS scores 21,212 versus 11,219, a 47.1% advantage. This indicates significantly stronger SIMD and vectorized workload performance. The 7533HS offers no measurable advantage in any recorded metric, making it strictly the lower-performing option across the entire test suite.

Architecture Differences

The two processors come from different generations and microarchitectures. The Ryzen 5 7533HS belongs to the 7000 series, codenamed Rembrandt-R, and uses Zen 3+ architecture. The Ryzen 5 PRO 8645HS is part of the 8000 series, codenamed Hawk Point, built on Zen 4. This generational jump explains much of the performance differential.

The process node differs significantly. The 7533HS uses TSMC's 6 nm process with a 208 mm² die. The PRO 8645HS moves to TSMC's 4 nm node with a 178 mm² die. The transistor count for the PRO part is listed at 25,000 million, while no transistor count is recorded for the 7533HS. The smaller die on a more advanced node typically enables higher clock speeds at similar power levels, which the data confirms.

Cache configurations also differ. Both chips share 64 KB of L1 cache per core and 16 MB of shared L3 cache. However, the L2 cache per core doubles on the PRO 8645HS: 1 MB per core versus 512 KB per core on the 7533HS. This additional L2 capacity can reduce latency for frequently accessed data and contributes to the PRO part's superior single-thread results.

Memory bandwidth is another architectural split. The 7533HS supports 76.8 GB/s of memory bandwidth, while the PRO 8645HS reaches 89.6 GB/s. Both use dual-channel DDR5, but the Zen 4 memory controller in the PRO part delivers a 16.7% bandwidth increase, which benefits memory-intensive workloads like compression and sorting.

The integrated graphics differ as well. The 7533HS pairs with a Radeon 660M, while the PRO 8645HS uses a Radeon 760M. Both are mobile-oriented iGPUs, but the newer Zen 4 platform's GPU likely benefits from the same architectural improvements. ECC memory support exists only on the PRO 8645HS, making it more suitable for data-integrity-sensitive environments.

Specification Differences

The most visible specification gap is clock speed. The 7533HS runs at 3.30 GHz base and 4.40 GHz boost, while the PRO 8645HS runs at 4.30 GHz base and 5.00 GHz boost. That is a 1.00 GHz higher base clock and 0.60 GHz higher boost clock for the PRO part.

Thermal design power differs: the 7533HS is rated at 35 W, while the PRO 8645HS is rated at 45 W. The higher TDP on the PRO part likely enables sustained performance under load. Both use Socket FP7, so platform compatibility is identical.

The process node moves from 6 nm to 4 nm, and the die size shrinks from 208 mm² to 178 mm². The PRO 8645HS has a recorded transistor count of 25,000 million; the 7533HS does not have a recorded count. L2 cache per core doubles from 512 KB to 1 MB. Memory bandwidth increases from 76.8 GB/s to 89.6 GB/s.

ECC memory support appears only on the PRO 8645HS. The integrated GPU changes from Radeon 660M to Radeon 760M. Core count, thread count, L1 cache, L3 cache, PCIe configuration, and memory bus width remain identical at 6 cores, 12 threads, 64 KB L1 per core, 16 MB L3 shared, Gen 4 with 20 lanes, and dual-channel DDR5.

The release dates differ: the 7533HS launched on 2024-08-31, while the PRO 8645HS launched earlier on 2024-04-15. Both are currently listed as Active in production status. Neither chip has a recorded launch MSRP, and neither has an unlocked multiplier.

Head-to-Head Benchmarks

The Cinebench suite shows a consistent 37.5% advantage for the PRO 8645HS across all six tests. In Cinebench R15 multi-core, the PRO scores 1,989 against 1,243. Single-core R15 shows 280 versus 175. R20 multi-core delivers 8,291 versus 5,183, and single-core 1,170 versus 731. R23 multi-core reaches 19,742 versus 12,342, while single-core hits 2,787 versus 1,742. This uniformity suggests the PRO part's clock and IPC advantages translate evenly across Cinebench's rendering workloads.

PassMark tests reveal a wider spread of margins. The smallest gap is integer math: 72,740 versus 50,800, a 30.2% lead. Single-thread scores show 3,858 versus 2,740, a 29% lead. Physics tests give 1,208 versus 821, a 32% gap. Data compression shows 265,826 versus 168,692, a 36.5% lead. Data encryption records 17,387 versus 10,718, a 38.4% gap. Floating-point math scores 45,481 versus 27,800, a 38.9% lead.

The extended instructions test shows a 47.1% margin: 21,212 versus 11,219. Prime number finding gives 73 versus 48, a 34.2% lead. Multithread performance shows 23,569 versus 14,520, a 38.4% gap. The largest single margin is random string sorting: 35,472 versus 17,669, a 50.2% advantage for the PRO 8645HS.

Looking at the nearest rivals provides context for each chip's standing. The 7533HS averages 19,364, nearly identical to the Intel Core Ultra 5 226V at 19,368 (0% delta), and within 0.7% of the Intel Core i7-8700K at 19,238. The PRO 8645HS averages 30,879, sitting 0.4% above the AMD Ryzen 7 8700F at 30,746 and 0.5% below the Intel Core i7-13700TE at 31,028. The 7533HS holds the 73rd percentile of all CPUs, while the PRO 8645HS reaches the 82nd percentile.

The data shows no scenario where the 7533HS matches or exceeds the PRO 8645HS. The PRO part's higher clocks, larger L2 cache, newer architecture, and broader memory bandwidth combine to produce a decisive victory in every recorded benchmark. For any application type represented in this database, the Ryzen 5 PRO 8645HS is the faster processor.