AMD Ryzen 7 9850X3D vs Intel Xeon Gold 6338T Comparison

FAQ

Q: Which processor has the higher average benchmark score?

A: The Intel Xeon Gold 6338T has an average benchmark score of 60,572, while the AMD Ryzen 7 9850X3D scores 58,386. Both sit at the 92nd percentile of all CPUs in the database.

Q: How do the two chips compare in Cinebench R23 multi-core?

A: The Intel Xeon Gold 6338T leads by 33.4% with a score of 30,430 versus 22,807 for the AMD Ryzen 7 9850X3D.

Q: Which processor wins in single-threaded performance?

A: The AMD Ryzen 7 9850X3D is ahead by 50.1% in Passmark single-thread (4,704 vs. 2,348). However, in Cinebench R23 single-core, the Intel Xeon Gold 6338T leads by 92.8% (4,296 vs. 2,228).

Q: What is the core and thread count difference?

A: The Intel Xeon Gold 6338T has 24 cores and 48 threads. The AMD Ryzen 7 9850X3D has 8 cores and 16 threads.

Q: Which processor has more L3 cache?

A: The AMD Ryzen 7 9850X3D has 96 MB of shared L3 cache, while the Intel Xeon Gold 6338T has 36 MB of shared L3 cache.

Q: What memory types do these processors support?

A: The Intel Xeon Gold 6338T supports DDR4 with eight-channel memory, while the AMD Ryzen 7 9850X3D supports DDR5 with dual-channel memory.

Architecture Differences

The Intel Xeon Gold 6338T is built on Ice Lake-SP architecture using a 10 nm process from Intel. It features 24 cores and 48 threads with base and boost clocks of 2.10 GHz and 3.40 GHz respectively. The chip operates on Intel Socket 4189 with a 165 W TDP. Its cache hierarchy includes 64 KB of L1 per core, 1 MB of L2 per core, and 36 MB of shared L3 cache. Memory support is DDR4 over an eight-channel bus, delivering 204.8 GB/s of bandwidth. The processor provides PCIe Gen 4 with 64 lanes (CPU only) and targets the server/workstation market segment. It was released in April 2021 and remains active in production.

The AMD Ryzen 7 9850X3D belongs to the 9000 series and uses Zen 5 architecture (Granite Ridge) on a 4 nm TSMC process. It has 8 cores and 16 threads with a base clock of 4.70 GHz and boost clock of 5.60 GHz. The TDP is 120 W and the socket is AMD Socket AM5. The cache layout consists of 80 KB L1 per core, 1 MB L2 per core, and 96 MB of shared L3 cache. Memory support is DDR5 over a dual-channel bus, with 89.6 GB/s bandwidth. The chip offers PCIe Gen 5 with 24 lanes (CPU only) and includes integrated Radeon Graphics. It has 8,315 million transistors on a 70.6 mm² die. The multiplier is unlocked, and it was released in January 2026 with a launch MSRP of $499.

The 3D V-Cache technology in the AMD part is not explicitly quantified in the database, but the larger L3 cache (96 MB vs. 36 MB) is a key architectural differentiator. The Intel Xeon provides three times the core count and six times the thread count, while the AMD chip operates at much higher clock speeds and uses a smaller, more advanced process node. The memory bandwidth situation is reversed: the Intel Xeon has more than double the theoretical bandwidth due to its eight-channel design, despite using older DDR4 memory.

Head-to-Head Benchmarks

The head-to-head results show a split profile across 15 benchmark tests, with the Intel Xeon Gold 6338T winning 9 and the AMD Ryzen 7 9850X3D winning 6. The Intel processor dominates in Cinebench R23 multi-core by 33.4% (30,430 vs. 22,807) and in Cinebench R23 single-core by 92.8% (4,296 vs. 2,228). These are substantial margins, particularly in single-core where the Xeon's performance is nearly double.

The AMD chip wins Cinebench R15 multi-core by 13.6% (3,551 vs. 3,067), but the Intel Xeon takes Cinebench R15 single-core by 25.9% (432 vs. 343). This inconsistency across Cinebench versions is notable: the AMD part wins the older multi-core test but loses the newer multi-core test decisively.

In Passmark tests, the Intel Xeon Gold 6338T leads in data compression by 17.6% (557,816 vs. 474,501), data encryption by 8% (24,677 vs. 22,856), extended instructions by 10.2% (43,292 vs. 39,272), floating-point math by 10.5% (90,584 vs. 81,998), integer math by 23.7% (152,275 vs. 123,140), and random string sorting by 33.6% (66,495 vs. 49,764). These wins indicate strong throughput in structured workloads.

The AMD Ryzen 7 9850X3D wins Passmark find prime numbers by 72.9% (435 vs. 118), physics by 72.2% (4,171 vs. 1,160), multithread by 13.4% (41,318 vs. 35,801), and single-thread by 50.1% (4,704 vs. 2,348). The physics result is particularly striking, with the AMD chip nearly four times the Xeon's score. The prime number test shows a similar magnitude of advantage.

The average benchmark scores place the Intel Xeon Gold 6338T slightly ahead (60,572 vs. 58,386), a difference of roughly 3.7%. Both processors sit at the 92nd percentile of all CPUs. The nearest rivals for the Intel chip include the Intel Core i9-13900 (0.2% lower), AMD Ryzen 7 8745HX (0.8% higher), AMD Ryzen 9 7945HX (0.8% higher), and Intel Core i9-14900F (0.9% higher). For the AMD chip, nearest rivals are the Intel Xeon Platinum 8260M (0.1% higher), Intel Xeon w5-2545 (0.2% lower), Intel Core i9-14900 (0.5% higher), and AMD Ryzen AI 9 HX 470 (0.7% lower).

The Verdict

The recorded data presents two fundamentally different processors. The Intel Xeon Gold 6338T is a high-core-count server part with 24 cores and 48 threads, designed for heavy parallel workloads. Its wins in Cinebench R23 multi-core, integer math, data compression, and random string sorting indicate strength in batch processing and data manipulation tasks. The 33.4% margin in R23 multi-core and 23.7% margin in integer math are decisive for users running sustained multi-threaded workloads.

The AMD Ryzen 7 9850X3D is a desktop processor with 8 cores and 16 threads, featuring high clock speeds (4.70 GHz base, 5.60 GHz boost) and a large 96 MB L3 cache. Its wins in physics simulation, prime number calculation, and single-thread performance point to strengths in latency-sensitive and lightly-threaded applications. The 50.1% single-thread advantage and 72.2% physics advantage are substantial.

Users should choose the Intel Xeon Gold 6338T if their workloads involve high-throughput computing, large data sets, or many concurrent threads. The eight-channel DDR4 memory system with 204.8 GB/s bandwidth supports memory-intensive server applications. Users should choose the AMD Ryzen 7 9850X3D if their workloads favor high single-thread performance, physics calculations, or low-latency access to a large cache. The higher clock speeds and 96 MB L3 cache benefit interactive and real-time applications.

Neither processor is universally superior. The Intel chip wins more individual benchmarks (9 vs. 6) and has a higher average score, but the AMD chip wins in categories that matter for specific use cases like gaming physics and single-thread responsiveness. The production status for both is active, so both remain available options.

Specification Differences

The two processors differ in nearly every major specification category. The Intel Xeon Gold 6338T has 24 cores and 48 threads versus 8 cores and 16 threads for the AMD Ryzen 7 9850X3D. Base clocks are 2.10 GHz versus 4.70 GHz, and boost clocks are 3.40 GHz versus 5.60 GHz. TDP values are 165 W versus 120 W. Sockets differ: Intel Socket 4189 versus AMD Socket AM5.

The cache hierarchy differs in L1 size (64 KB per core vs. 80 KB per core), L2 size (1 MB per core for both), and L3 cache (36 MB shared vs. 96 MB shared). Memory support is DDR4 versus DDR5, with memory bus widths of eight-channel versus dual-channel. Memory bandwidth is 204.8 GB/s versus 89.6 GB/s. PCIe generations differ (Gen 4 vs. Gen 5) with lane counts of 64 versus 24.

Process nodes are 10 nm (Intel) versus 4 nm (TSMC). The AMD chip has integrated Radeon Graphics while the Intel Xeon has none. The AMD chip has an unlocked multiplier; the Intel chip does not. Market segments are Server/Workstation versus Desktop. Release dates are April 2021 versus January 2026. The AMD chip has a launch MSRP of $499; the Intel Xeon has no recorded MSRP.

Where Each One Wins

The Intel Xeon Gold 6338T wins in most compute-heavy throughput benchmarks. It leads in Cinebench R23 multi-core (30,430 vs. 22,807), Cinebench R23 single-core (4,296 vs. 2,228), Cinebench R15 single-core (432 vs. 343), Passmark data compression (557,816 vs. 474,501), data encryption (24,677 vs. 22,856), extended instructions (43,292 vs. 39,272), floating-point math (90,584 vs. 81,998), integer math (152,275 vs. 123,140), and random string sorting (66,495 vs. 49,764). These results make it the choice for data processing, encryption workloads, and general server tasks requiring high sustained throughput.

The AMD Ryzen 7 9850X3D wins in Cinebench R15 multi-core (3,551 vs. 3,067), Passmark find prime numbers (435 vs. 118), Passmark physics (4,171 vs. 1,160), Passmark multithread (41,318 vs. 35,801), and Passmark single-thread (4,704 vs. 2,348). The physics benchmark advantage of 72.2% and prime number advantage of 72.9% are the largest margins in either direction. This makes the AMD chip the better option for physics simulation, real-time calculations, and applications that benefit from high clock speeds and the large 96 MB L3 cache.

The use-case split is clear. For server deployments, virtualization hosts, or batch rendering, the Intel Xeon Gold 6338T's 24 cores and 48 threads provide superior parallel processing capability. For desktop productivity, gaming physics, or single-thread-bound applications, the AMD Ryzen 7 9850X3D's higher clocks and larger cache deliver better per-core performance. The AMD chip also offers integrated graphics, which may eliminate the need for a discrete GPU in basic display scenarios.