AMD Ryzen 5 5500GT vs AMD Ryzen 5 8540U Comparison

Head-to-Head Benchmarks

The recorded head-to-head data reveals a clear split between the AMD Ryzen 5 5500GT and the AMD Ryzen 5 8540U, with the desktop part winning 10 of the 15 compared tests. The most striking result is in Cinebench R23 multi-core, where the 5500GT scores 15,848 against 9,721.5 for the 8540U, a 63% advantage. That is the single largest delta in the comparison, and it sets the tone for the desktop chip's dominance in sustained, all-core workloads.

But the single-core picture is more complicated. In Cinebench R23 single-core, the 5500GT actually wins, posting 2,237 versus 1,714.5, a 30.5% lead. This is surprising given the 8540U's higher boost clock of 4.90 GHz versus 4.40 GHz. Yet in Cinebench R15 single-core, the 8540U flips the result, scoring 253 to the 5500GT's 225, an 11.1% margin for the mobile part. The two Cinebench versions tell different stories, which suggests the 5500GT's efficiency under the R23 workload is stronger than its raw frequency would imply.

In PassMark tests, the 5500GT wins most of the compute-heavy categories. Data compression goes to the 5500GT at 243,904 versus 208,619, a 16.9% edge. Data encryption follows at 14,754 versus 12,245, a 20.5% lead. Extended instructions favor the 5500GT by 14.3%, 17,027 to 14,900. Integer math is 11.2% ahead for the 5500GT, 64,218 to 57,755. Floating-point math is closer, with the 5500GT ahead by 5%, 36,694 to 34,958. Multithreaded PassMark shows a 3.6% win for the 5500GT, 19,000 to 18,332. Random string sorting is nearly a tie, with the 5500GT ahead by just 0.9%, 24,583 to 24,375.

The 8540U takes four PassMark tests. Find prime numbers goes to the 8540U at 69 versus 54, a 21.7% margin. Physics also favors the 8540U, 1,028 to 840, an 18.3% lead. Single-thread PassMark shows the 8540U at 3,639 versus 3,066, a 15.7% advantage, and the duplicate single-thread entry confirms the same result. These wins align with the mobile chip's higher boost clock and newer architecture. The 8540U's 4.90 GHz boost appears to translate directly into better lightly threaded performance in PassMark's single-thread metric.

Average benchmark scores place the 5500GT at 26,748 and the 8540U at 26,187, a difference of roughly 2.1%. Both sit at the 79th and 78th percentiles respectively, meaning they land almost identically across the entire CPU database. The nearest rivals for the 5500GT include the AMD EPYC 9554 at 26,743, the Intel Core i7-12700H at 26,717, and the AMD Ryzen 5 7545U at 26,849. The 8540U's nearest rivals include the Intel Core i9-11900KF at 26,212, the AMD Ryzen 5 8640HS at 26,106, and the AMD Ryzen 9 6900HX at 26,274.

Where Each One Wins

The 5500GT is the clear choice for multi-threaded, sustained workloads. Its 63% lead in Cinebench R23 multi-core is the headline number, but it also wins in data compression, data encryption, extended instructions, integer math, floating-point math, multithread PassMark, and random string sorting. That collection of wins points to a processor that handles heavy parallel compute, compression workloads, encryption tasks, and general integer-heavy applications with more headroom than the 8540U.

The 8540U takes the lightly threaded tests. Its PassMark single-thread score of 3,639 is 15.7% higher than the 5500GT, and its physics score of 1,028 is 18.3% better. The prime number finding test, which is a pure integer workload with low thread scaling, also goes to the 8540U by 21.7%. For users whose work is mostly single-threaded, or who run older applications that do not scale across cores, the 8540U delivers measurably better responsiveness.

The Cinebench R23 single-core result complicates that narrative. The 5500GT wins that test by 30.5%, which is a much larger margin than its R15 single-core loss. The database shows both parts are capable of winning single-core tests depending on the benchmark version. The 5500GT's R23 single-core score of 2,237 is notably high, and it suggests that the desktop chip's thermal budget allows it to sustain boost clocks more effectively under certain load profiles.

For mixed workloads, the multithread PassMark score is nearly even, with the 5500GT ahead by 3.6%. The average benchmark scores are also close, with the 5500GT at 26,748 and the 8540U at 26,187. The 5500GT's 10 wins versus the 8540U's 5 wins give the desktop part the overall edge, but the margin is not overwhelming in most categories. The 8540U is competitive in single-core and physics, while the 5500GT dominates in multi-core rendering and compute.

Architecture Differences

The two processors come from different generations and are built on different nodes. The 5500GT is a Zen 3 part, codenamed Cezanne, manufactured on TSMC's 7 nm process. It packs 10,700 million transistors into a 180 mm² die. The 8540U is Zen 4, codenamed Hawk Point, built on TSMC's 4 nm process, with 20,900 million transistors on a 137 mm² die. The newer node gives the 8540U a much higher transistor density in a smaller package.

Both parts have 6 cores and 12 threads. The 5500GT runs at a base clock of 3.60 GHz and boosts to 4.40 GHz. The 8540U has a lower base clock of 3.20 GHz but a higher boost of 4.90 GHz. The 5500GT has a 65 W TDP, while the 8540U is rated at 28 W. That TDP difference is critical: the 5500GT can draw more power to sustain high clocks across all cores, which explains its multi-core dominance. The 8540U's lower TDP fits its mobile segment, where power efficiency matters more than raw throughput.

Cache configurations differ in the L2. The 5500GT has 512 KB of L2 per core, while the 8540U has 1 MB per core. Both have 64 KB of L1 per core and 16 MB of L3, though the 8540U lists its L3 as shared while the 5500GT does not specify. The larger per-core L2 on the 8540U may help with certain single-threaded workloads, which aligns with its PassMark single-thread win.

Memory support is split by generation. The 5500GT uses DDR4 with dual-channel memory and a bandwidth of 51.2 GB/s. The 8540U uses DDR5 with dual-channel memory and a bandwidth of 89.6 GB/s. The 8540U's much higher memory bandwidth is a notable advantage for memory-sensitive tasks, even if the benchmark data does not isolate memory performance directly.

PCIe support also differs. The 5500GT offers PCIe Gen 3 with 16 lanes from the CPU. The 8540U offers PCIe Gen 4 with 14 lanes. The newer PCIe generation on the 8540U provides more bandwidth for storage and expansion, though the 5500GT has more lanes total. The 8540U is not overclockable, while the 5500GT has an unlocked multiplier. The 5500GT uses AMD Socket AM4, while the 8540U uses AMD Socket FP7, which is a mobile socket.

The integrated graphics are different as well. The 5500GT includes Radeon Vega 7, while the 8540U includes Radeon 740M. The 8540U's Radeon 740M is from a newer generation, but the benchmark data provided does not include graphics scores, so any performance claims would be speculative. The 5500GT is a desktop part with a launch MSRP of $125, while the 8540U has no recorded launch MSRP in the database.

FAQ

Q: Which processor has the higher multi-core performance?

A: The AMD Ryzen 5 5500GT wins Cinebench R23 multi-core by 63%, scoring 15,848 versus 9,721.5 for the 8540U. It also leads in PassMark multithread by 3.6%, 19,000 to 18,332.

Q: Does the Ryzen 5 8540U win any benchmarks?

A: Yes. The 8540U wins Cinebench R15 single-core by 11.1%, PassMark single-thread by 15.7%, PassMark physics by 18.3%, and PassMark find prime numbers by 21.7%.

Q: How do the average benchmark scores compare?

A: The 5500GT has an average benchmark score of 26,748, while the 8540U sits at 26,187. The 5500GT ranks at the 79th percentile of all CPUs, and the 8540U ranks at the 78th.

Q: What are the key architectural differences?

A: The 5500GT uses Zen 3 on TSMC's 7 nm process with 10,700 million transistors and a 180 mm² die. The 8540U uses Zen 4 on TSMC's 4 nm process with 20,900 million transistors and a 137 mm² die. The 5500GT has 512 KB of L2 per core, while the 8540U has 1 MB per core.

Q: How does memory support differ?

A: The 5500GT supports DDR4 with dual-channel memory and 51.2 GB/s bandwidth. The 8540U supports DDR5 with dual-channel memory and 89.6 GB/s bandwidth.

Q: Which processor is better for lightly threaded work?

A: The 8540U wins PassMark single-thread with 3,639 to 3,066, a 15.7% lead, and also wins PassMark physics 1,028 to 840. However, the 5500GT wins Cinebench R23 single-core by 30.5%, so the answer depends on the specific benchmark.

The Verdict

The data supports a straightforward conclusion: the AMD Ryzen 5 5500GT is the stronger processor for multi-core compute, while the AMD Ryzen 5 8540U has clear advantages in single-thread speed and power efficiency. The 5500GT wins 10 of 15 head-to-head tests, including the most important rendering benchmark, Cinebench R23 multi-core, by a massive 63%. Its wins in data compression, encryption, integer math, and floating-point math make it the better choice for content creation, batch processing, and any workload that uses all six cores.

The 8540U is not without merit. Its PassMark single-thread score is 15.7% higher, its physics score is 18.3% higher, and its find prime numbers result is 21.7% higher. The 4 nm Zen 4 architecture, DDR5 support, and 89.6 GB/s memory bandwidth give it a modern foundation, and its 28 W TDP makes it far more suitable for laptops where power draw matters. The 8540U also has a higher boost clock at 4.90 GHz versus 4.40 GHz, which helps in short, lightly threaded bursts.

For a desktop user who wants maximum multi-core throughput and does not mind the 65 W power draw, the 5500GT is the clear pick. Its 63% lead in Cinebench R23 multi-core and its 20.5% lead in data encryption are decisive for rendering, compression, and security-related tasks. The unlocked multiplier on the 5500GT also offers overclocking headroom, though the database does not include overclocked results.

For a mobile user or anyone prioritizing single-thread responsiveness and power efficiency, the 8540U is the better match. Its 28 W TDP, 4 nm process, and higher boost clock make it a strong choice for thin-and-light laptops. The 8540U's wins in PassMark single-thread and physics show that it can handle interactive applications and lightly threaded software with ease.

The average benchmark scores are close, with the 5500GT at 26,748 and the 8540U at 26,187. Both parts rank in the upper 70th percentiles of all CPUs. The decision comes down to platform and workload: the 5500GT is the multi-core desktop champion in this pairing, and the 8540U is the efficient single-core mobile part. Neither is a bad choice; they are simply aimed at different segments.