AMD Ryzen Threadripper 2950X vs Intel Xeon Platinum 8260 Comparison

Head-to-Head Benchmarks

The head-to-head data tells a remarkably consistent story across every single benchmark recorded. The AMD Ryzen Threadripper 2950X wins all six Cinebench tests, with margins that hover tightly between 3.4% and 3.7%. This consistency across different Cinebench versions, from R15 through R23, and across both single-core and multi-core workloads, suggests a fundamental performance advantage rather than a workload-specific quirk.

In Cinebench R15 multi-core, the Threadripper 2950X scores 2523 against the Xeon Platinum 8260's 2436, a 3.4% lead. The single-core R15 test shows a slightly larger gap: 356 versus 343, a 3.7% advantage for AMD. Moving to R20, the multi-core scores are 10516 for AMD and 10152 for Intel, again a 3.5% difference. The single-core R20 test repeats the pattern with 1484 versus 1433, a 3.4% lead.

The most recent Cinebench R23 results maintain the trend. The Threadripper 2950X posts 25040 in multi-core, while the Xeon Platinum 8260 manages 24173, a 3.5% gap. In R23 single-core, the scores are 3535 and 3412 respectively, also 3.5% apart. The consistent delta across all six tests is striking: no test shows a margin outside the 3.4% to 3.7% range, indicating that the performance difference scales evenly across both single-threaded and heavily threaded workloads.

The average benchmark score for the Threadripper 2950X is 6647, while the Xeon Platinum 8260 averages 6992. Interestingly, the Xeon has the higher average score, despite losing every head-to-head Cinebench test. This is because the Xeon's average includes additional Geekbench results not present in the head-to-head comparison. The Threadripper's Geekbench scores are 8469 multi-core and 1255 single-core, data that does not have a matching Xeon benchmark in the recorded set. This discrepancy highlights that the head-to-head Cinebench results are the only directly comparable measurements between the two processors.

Looking at percentile rankings, the Xeon Platinum 8260 sits at the 63rd percentile of all CPUs in the database, while the Threadripper 2950X is at the 62nd percentile. These are nearly identical positions, confirming that despite the Threadripper's consistent wins, the two chips occupy essentially the same performance tier when viewed against the entire CPU landscape. The Xeon's nearest rival, the Intel Core i9-7980XE, has an average score of 7018, just 0.4% above the Xeon. The Threadripper's nearest rival, the Intel Core i9-9940X, scores 6657, a 0.1% edge over AMD. Both processors are sandwiched between extremely close competitors, with deltas of less than 1% in either direction.

The Verdict

The data points to a clear, if narrow, victory for the AMD Ryzen Threadripper 2950X in raw computational throughput. Across all six Cinebench tests, the Threadripper outperforms the Xeon Platinum 8260 by margins ranging from 3.4% to 3.7%. This is a consistent and repeatable advantage, not a one-off result. For workloads that rely heavily on Cinebench-style rendering, the Threadripper 2950X is the faster processor.

However, the Xeon Platinum 8260 is not without its own merits. It holds a higher average benchmark score of 6992 compared to 6647, and it ranks one percentile higher in the overall database. The Xeon also has a 24-core, 48-thread configuration versus the Threadripper's 16 cores and 32 threads, yet it still loses the multi-core Cinebench tests. This suggests that the Threadripper's per-core efficiency, driven by its higher base clock of 3.50 GHz and boost clock of 4.40 GHz, more than compensates for the Xeon's core count advantage.

The launch MSRP for the Threadripper 2950X is $899, a figure that can be stated once for reference. The Xeon Platinum 8260 has no recorded launch MSRP in the database. The choice between these two processors depends heavily on the user's platform requirements. The Xeon targets the server and workstation market segment with ECC memory support and an Intel Socket 3647, while the Threadripper is a desktop part with an unlocked multiplier and AMD Socket SP3r2. If the workload demands ECC memory, the Xeon is the only option. If raw Cinebench performance is the priority, the Threadripper wins every recorded test.

Architecture Differences

The two processors come from fundamentally different architectural lineages. The Intel Xeon Platinum 8260 uses the Cascade Lake architecture on a 14 nm process node, fabricated by Intel. It contains 8,000 million transistors. The AMD Ryzen Threadripper 2950X uses the Zen+ architecture, specifically the Colfax codename, on a 12 nm process node from GlobalFoundries, with 9,600 million transistors and a die size of 2x 213 mm².

Core configurations differ substantially. The Xeon has 24 cores and 48 threads, while the Threadripper has 16 cores and 32 threads. Despite having 50% more cores and threads, the Xeon cannot overcome the Threadripper's clock speed advantage. The Xeon's base clock is 2.40 GHz with a boost of 3.90 GHz, while the Threadripper runs at 3.50 GHz base and 4.40 GHz boost. The Threadripper's higher clocks across both ranges explain its consistent single-core wins, and its multi-core wins suggest that the 12 nm Zen+ cores are more efficient per clock than the 14 nm Cascade Lake cores.

Cache hierarchies also differ. The Xeon provides 64 KB of L1 cache per core, 1 MB of L2 per core, and a shared 35.75 MB L3 cache. The Threadripper offers 96 KB of L1 per core, 512 KB of L2 per core, and 32 MB of L3. The Xeon's larger L2 and L3 caches are notable, yet they do not translate into benchmark wins. Memory support is DDR4 for both, but the Threadripper specifies quad-channel memory with 93.9 GB/s bandwidth, while the Xeon does not list a memory bus or bandwidth figure. ECC memory is supported by the Xeon only; the Threadripper does not support ECC. The Threadripper also lists PCIe Gen 3 with 60 lanes from the CPU, while the Xeon has no PCIe figure recorded.

The Threadripper has an unlocked multiplier, making it overclockable, while the Xeon is locked. The Threadripper is marked as production status "Active" and targets the desktop market, while the Xeon is in the server and workstation segment. Release dates differ by about three months: the Xeon launched on 2018-12-10, and the Threadripper on 2018-08-30.

FAQ

Q: Which processor wins all the recorded Cinebench benchmarks?

A: The AMD Ryzen Threadripper 2950X wins all six head-to-head Cinebench tests, with margins between 3.4% and 3.7% over the Intel Xeon Platinum 8260.

Q: How many cores and threads does each processor have?

A: The Intel Xeon Platinum 8260 has 24 cores and 48 threads. The AMD Ryzen Threadripper 2950X has 16 cores and 32 threads.

Q: Does the Xeon Platinum 8260 support ECC memory?

A: Yes, ECC memory is supported by the Intel Xeon Platinum 8260. The AMD Ryzen Threadripper 2950X does not support ECC memory.

Q: What is the average benchmark score for each processor?

A: The Intel Xeon Platinum 8260 has an average benchmark score of 6992, while the AMD Ryzen Threadripper 2950X has an average score of 6647.

Q: Are the processors overclockable?

A: The AMD Ryzen Threadripper 2950X has an unlocked multiplier, making it overclockable. The Intel Xeon Platinum 8260 does not have an unlocked multiplier.

Q: What process nodes are used by these processors?

A: The Intel Xeon Platinum 8260 uses a 14 nm process from Intel. The AMD Ryzen Threadripper 2950X uses a 12 nm process from GlobalFoundries.

Where Each One Wins

The AMD Ryzen Threadripper 2950X wins every single head-to-head benchmark in the database. All six Cinebench tests, covering R15, R20, and R23 in both single-core and multi-core variants, go to AMD. The margins are small but uniform, ranging from 3.4% to 3.7%. This makes the Threadripper the clear choice for Cinebench-style rendering workloads, whether they are single-threaded or heavily parallelized.

The Intel Xeon Platinum 8260 wins in other dimensions that are not captured by the head-to-head benchmarks. It has a higher average benchmark score of 6992 versus 6647, and it ranks at the 63rd percentile versus the Threadripper's 62nd. The Xeon also offers ECC memory support, which the Threadripper lacks. For server and workstation environments where data integrity is critical, the Xeon's ECC capability is a decisive advantage.

The Threadripper's higher clock speeds, 3.50 GHz base and 4.40 GHz boost, give it an edge in latency-sensitive single-threaded tasks. The Xeon's 24 cores and 48 threads provide more parallel capacity on paper, but the recorded benchmarks show that the Threadripper's 16 cores and 32 threads deliver better actual throughput in Cinebench. The Threadripper also has a higher memory bandwidth specification of 93.9 GB/s, though the Xeon does not list a comparable figure.

The Threadripper's unlocked multiplier and active production status make it more appealing for desktop enthusiasts who want to overclock. The Xeon, being a locked server part, is not designed for such flexibility. The release dates show the Threadripper came first on 2018-08-30, with the Xeon following on 2018-12-10.

Specification Differences

The following specifications differ between the two processors in the database:

• Cores: Intel Xeon Platinum 8260 has 24; AMD Ryzen Threadripper 2950X has 16.
• Threads: 48 versus 32.
• Base Clock: 2.40 GHz versus 3.50 GHz.
• Boost Clock: 3.90 GHz versus 4.40 GHz.
• TDP: 165 versus 180.
• Socket: Intel Socket 3647 versus AMD Socket SP3r2.
• Architecture: Cascade Lake versus Zen+.
• Codename: Cascade Lake-SP versus Colfax.
• Process Node: 14 nm versus 12 nm.
• Foundry: Intel versus GlobalFoundries.
• Transistors: 8,000 million versus 9,600 million.
• Die Size: Not listed versus 2x 213 mm².
• L1 Cache: 64 KB per core versus 96 KB per core.
• L2 Cache: 1 MB per core versus 512 KB per core.
• L3 Cache: 35.75 MB shared versus 32 MB.
• Memory Bus: Not listed versus Quad-channel.
• Memory Bandwidth: Not listed versus 93.9 GB/s.
• ECC Memory: True versus false.
• PCIe: Not listed versus Gen 3, 60 lanes (CPU only).
• Market Segment: Server/Workstation versus Desktop.
• Production Status: Not listed versus Active.
• Release Date: 2018-12-10 versus 2018-08-30.
• Launch MSRP: Not listed versus $899.
• Multiplier Unlocked: False versus true.
• Geekbench scores: The Threadripper has recorded Geekbench multi-core (8469) and single-core (1255) scores; the Xeon has no Geekbench entries in the database.