AMD Ryzen 7 5800XT vs Intel Core Ultra 5 225T Comparison

Where Each One Wins

The benchmark split between these two desktop processors is sharply defined by workload type. The AMD Ryzen 7 5800XT claims the majority of victories, winning 12 of the 17 recorded head-to-head tests, while the Intel Core Ultra 5 225T takes 5. The AMD part dominates in traditional rendering workloads, data compression, encryption, and integer math. The Intel part, however, shows clear advantages in single-threaded PassMark tests, prime number finding, floating-point math, and physics simulations.

Looking at the Cinebench suite, the AMD Ryzen 7 5800XT wins every single iteration, from R15 through R23, in both multicore and single-core tests. The margin is consistent at 7.7% across all six Cinebench benchmarks. This suggests a uniform performance advantage in heavily threaded rendering tasks, regardless of the specific Cinebench version.

The PassMark suite reveals a more nuanced picture. The AMD processor wins data compression by a substantial 33.5%, data encryption by 14.8%, extended instructions by 17.3%, integer math by 36.6%, multithread by 9.6%, and random string sorting by 19.9%. These are all workloads that benefit from the AMD part's higher thread count and larger shared L3 cache.

Conversely, the Intel Core Ultra 5 225T wins PassMark find prime numbers by a massive 138.7%, floating-point math by 53.8%, physics by 51.5%, and the single-thread tests by 23%. The prime number result is particularly striking, as Intel's score of 284 versus AMD's 119 indicates a fundamental advantage in this specific algorithmic pattern, likely tied to the Intel architecture's handling of integer operations in that particular benchmark implementation.

Architecture Differences

The two processors represent fundamentally different design philosophies. The Intel Core Ultra 5 225T is built on Arrow Lake architecture, fabricated on a 3 nm process at TSMC, with 10 cores and 10 threads. It has no hyperthreading, meaning each core handles a single thread. The AMD Ryzen 7 5800XT uses Zen 3 architecture (Vermeer codename), built on a 7 nm process, also at TSMC, with 8 cores and 16 threads thanks to simultaneous multithreading.

The transistor counts differ dramatically. Intel's die contains 17,800 million transistors across a 243 mm² die, while AMD's chip has 4,150 million transistors on a 74 mm² die. This reflects the newer 3 nm process allowing far greater transistor density for Intel. The cache hierarchies also differ: Intel provides 192 KB L1 per core, 3 MB L2 per core, and 20 MB shared L3. AMD provides 64 KB L1 per core, 512 KB L2 per core, and 32 MB shared L3. The larger shared L3 on AMD (32 MB versus 20 MB) helps explain its advantage in compression and sorting workloads that benefit from larger working sets in cache.

Memory support is another major divergence. Intel supports DDR5 with a dual-channel bus delivering 102.4 GB/s bandwidth. AMD supports DDR4 with dual-channel at 51.2 GB/s. Intel's memory bandwidth is exactly double that of AMD's, which may contribute to its floating-point and physics advantages. Intel also supports PCIe Gen 5 with 20 CPU lanes, while AMD offers PCIe Gen 4 with the same lane count.

The Intel part includes integrated Arc Xe-LPG Graphics with 16 execution units, whereas the AMD Ryzen 7 5800XT has no integrated graphics. Intel's TDP is 65 watts versus AMD's 105 watts, making Intel the lower-power option. Intel uses Socket 1851, AMD uses AM4. Intel's base clock is 2.50 GHz with boost to 4.90 GHz; AMD's base is 3.80 GHz with boost to 4.80 GHz. AMD supports ECC memory, Intel does not. AMD has an unlocked multiplier, Intel's is locked. Intel released on 2024-12-31, AMD on 2024-07-30.

Head-to-Head Benchmarks

The most lopsided result in the entire comparison is PassMark find prime numbers. Intel scores 284 versus AMD's 119, giving Intel a 138.7% advantage. This is not a small edge, it is a dominant win that suggests the Intel architecture executes this particular workload at more than twice the rate. In practical terms, for any application that relies on prime number generation or similar integer patterns, the Intel processor would complete tasks in under half the time.

PassMark floating-point math shows Intel ahead by 53.8%, scoring 82,751 versus 53,808. This is another significant margin, indicating Intel's FPU pipeline handles dense floating-point mathematics substantially better. PassMark physics follows with Intel winning 2,053 to 1,355, a 51.5% advantage. Physics simulations often stress both floating-point throughput and memory latency, and Intel's higher memory bandwidth likely plays a role here.

PassMark single-thread (and the identical singlethread result) gives Intel 4,348 versus 3,535, a 23% win. This is notable because the AMD part actually wins Cinebench single-core tests by 7.7%. The discrepancy between PassMark single-thread and Cinebench single-core highlights how different benchmark suites weight different aspects of single-threaded performance. PassMark's single-thread test clearly favors Intel's architecture, while Cinebench's rendering kernel favors AMD.

Now moving to AMD's wins. The largest is PassMark data compression: AMD scores 352,002 versus Intel's 233,998, a 33.5% lead. This workload benefits from AMD's 16 threads versus Intel's 10, since compression tasks often scale well with thread count. PassMark integer math shows AMD ahead by 36.6% (93,942 versus 59,543), another significant margin. Random string sorting goes to AMD by 19.9% (35,911 versus 28,774). Data encryption goes to AMD by 14.8% (21,461 versus 18,289). Extended instructions go to AMD by 17.3% (24,270 versus 20,083). PassMark multithread gives AMD 28,053 versus 25,358, a 9.6% lead.

In Cinebench, AMD wins all tests by exactly 7.7%. R15 multicore: 2,398 versus 2,214. R15 single-core: 338 versus 312. R20 multicore: 9,993 versus 9,227. R20 single-core: 1,410 versus 1,302. R23 multicore: 23,794 versus 21,971. R23 single-core: 3,359 versus 3,101. The consistency of the 7.7% delta across all six Cinebench tests suggests a stable architectural efficiency difference in this rendering workload, likely stemming from AMD's SMT implementation.

FAQ

Q: Which processor wins more benchmarks overall?

A: The AMD Ryzen 7 5800XT wins 12 of the 17 head-to-head benchmark comparisons, while the Intel Core Ultra 5 225T wins 5. The AMD part claims victory in all six Cinebench tests and six of the PassMark tests, while Intel wins five PassMark tests.

Q: How does the Intel Core Ultra 5 225T compare to AMD in single-threaded performance?

A: It depends on the benchmark. Intel wins PassMark single-thread by 23% (4,348 versus 3,535), but AMD wins Cinebench R23 single-core by 7.7% (3,359 versus 3,101). The PassMark test clearly favors Intel's architecture, while Cinebench's single-core rendering test favors AMD.

Q: What is the biggest performance gap between these two processors?

A: The largest delta is in PassMark find prime numbers, where Intel wins by 138.7% (284 versus 119). The next largest is PassMark floating-point math, where Intel leads by 53.8% (82,751 versus 53,808). On AMD's side, the biggest win is PassMark integer math at 36.6% (93,942 versus 59,543).

Q: Does the AMD Ryzen 7 5800XT have more threads than the Intel Core Ultra 5 225T?

A: Yes. The AMD part has 8 cores and 16 threads thanks to simultaneous multithreading, while the Intel part has 10 cores and 10 threads with no hyperthreading. This thread advantage contributes to AMD's wins in multithreaded workloads like data compression and integer math.

Q: How do their cache sizes compare?

A: Intel provides 192 KB L1 per core, 3 MB L2 per core, and 20 MB shared L3. AMD provides 64 KB L1 per core, 512 KB L2 per core, and 32 MB shared L3. AMD's larger shared L3 cache (32 MB versus 20 MB) helps in workloads that benefit from larger cached working sets.

Q: Which processor supports ECC memory?

A: The AMD Ryzen 7 5800XT supports ECC memory, while the Intel Core Ultra 5 225T does not. Intel supports DDR5 memory with 102.4 GB/s bandwidth, while AMD supports DDR4 with 51.2 GB/s.

The Verdict

The data points to a clear split based on workload priorities. For users running heavily threaded rendering workloads, data compression, encryption, or integer-heavy calculations, the AMD Ryzen 7 5800XT is the stronger choice. It wins all Cinebench tests by 7.7%, and its lead in data compression (33.5%), integer math (36.6%), and random string sorting (19.9%) makes it the preferred processor for these tasks. Additionally, AMD's 16 threads versus Intel's 10 provide a structural advantage in any workload that scales with thread count.

For users prioritizing single-threaded PassMark performance, floating-point math, physics simulations, or prime number calculations, the Intel Core Ultra 5 225T is the better option. The 138.7% lead in find prime numbers and 53.8% lead in floating-point math are not marginal differences, they are decisive advantages. Intel's 23% win in PassMark single-thread also matters for applications that are not heavily threaded but rely on the specific operations measured by that test.

The Intel part offers a lower TDP of 65 watts versus AMD's 105 watts, integrated graphics, and DDR5 memory support with double the bandwidth (102.4 GB/s versus 51.2 GB/s). The AMD part offers ECC memory support, an unlocked multiplier for overclocking, and a larger shared L3 cache (32 MB versus 20 MB). The AMD part's launch MSRP was $249, which can be stated once.

Looking at the aggregate scores, the Intel Core Ultra 5 225T has an average benchmark score of 30,468 with an 82nd percentile ranking, while the AMD Ryzen 7 5800XT averages 29,879 with an 81st percentile. The Intel part edges out in overall average by about 2%, but the AMD part wins more individual tests. The Intel part's nearest rivals include the Intel Core i9-11980HK (0.2% delta) and AMD Ryzen 5 7640HS (0.3% delta). The AMD part's nearest rivals include the AMD Ryzen 7 7840H (0% delta) and AMD Ryzen 5 9600X (0.6% delta).

The verdict depends on the specific workload mix. The AMD Ryzen 7 5800XT is the more versatile processor for general productivity and rendering tasks, given its majority win count and consistent Cinebench advantage. The Intel Core Ultra 5 225T is the specialist, winning decisively in specific algorithmic patterns that matter for certain scientific and floating-point applications. Neither processor is a universal winner, and the choice should be driven by the dominant workload type.