Xeon Platinum 8280 vs Xeon Platinum 8280M
Xeon Platinum 8280
Xeon Platinum 8280M
Performance Spectrum - CPU
About PassMark
PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon Platinum 8280
Performance Per Dollar Xeon Platinum 8280M
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon Platinum 8280 | Xeon Platinum 8280M |
|---|---|---|
| Gaming | Balanced gaming performance | Balanced gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($2,940) | ⚠️ Higher cost ($6,223) |
| Longevity | ✨ Modern (Cascade Lake-SP (2018) / 14 nm) | ✨ Modern (Cascade Lake-SP (2018) / 14 nm) |
💎 Value Proposition
| Insight | Xeon Platinum 8280 | Xeon Platinum 8280M |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+107%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($2,940) | ⚠️ Higher cost ($6,223) |
Performance Check
To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.
Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.
Technical Specifications
Side-by-side comparison of Xeon Platinum 8280 and Xeon Platinum 8280M
Xeon Platinum 8280
The Xeon Platinum 8280 is manufactured by Intel. It was released in 11 December 2018 (6 years ago). It is based on the Cascade Lake-SP (2018) architecture. It features 28 cores and 56 threads. Base frequency is 2.7 GHz, with boost up to 4 GHz. L3 cache: 38.5 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 205 Watt. Memory support: DDR4-2933. Passmark benchmark score: 36,830 points. Launch price was $10,009.
Xeon Platinum 8280M
The Xeon Platinum 8280M is manufactured by Intel. It was released in 11 December 2018 (6 years ago). It is based on the Cascade Lake-SP (2018) architecture. It features 28 cores and 56 threads. Base frequency is 2.7 GHz, with boost up to 4 GHz. L3 cache: 38.5 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 205 Watt. Memory support: DDR4-2933. Passmark benchmark score: 37,665 points. Launch price was $13,012.
Processing Power
Both the Xeon Platinum 8280 and Xeon Platinum 8280M share an identical 28-core/56-thread configuration. Boost clocks reach 4 GHz on the Xeon Platinum 8280 versus 4 GHz on the Xeon Platinum 8280M — identical boost frequencies (base: 2.7 GHz vs 2.7 GHz). Both are built on the Cascade Lake-SP (2018) architecture using a 14 nm process. In PassMark, the Xeon Platinum 8280 scores 36,830 against the Xeon Platinum 8280M's 37,665 — a 2.2% lead for the Xeon Platinum 8280M. Both processors carry 38.5 MB (total) of L3 cache.
| Feature | Xeon Platinum 8280 | Xeon Platinum 8280M |
|---|---|---|
| Cores / Threads | 28 / 56 | 28 / 56 |
| Boost Clock | 4 GHz | 4 GHz |
| Base Clock | 2.7 GHz | 2.7 GHz |
| L3 Cache | 38.5 MB (total) | 38.5 MB (total) |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 14 nm | 14 nm |
| Architecture | Cascade Lake-SP (2018) | Cascade Lake-SP (2018) |
| PassMark | 36,830 | 37,665+2% |
| Cinebench R23 Multi | — | 35,400 |
| Geekbench 6 Single | — | 1,214 |
| Geekbench 6 Multi | — | 11,500 |
Memory & Platform
Both processors use the LGA3647 socket with PCIe 3.0. Maximum memory speed reaches 2933 on the Xeon Platinum 8280 versus DDR4-2933 on the Xeon Platinum 8280M — the Xeon Platinum 8280 supports 199.5% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Platinum 8280M supports up to 2048 GB of RAM compared to 1536 — 28.6% more capacity for professional workloads. Both feature 6-channel memory with ECC support. Both provide 48 PCIe lanes. Chipset compatibility: LGA3647 (Xeon Platinum 8280) and C621,C622,C624,C627,C628 (Xeon Platinum 8280M).
| Feature | Xeon Platinum 8280 | Xeon Platinum 8280M |
|---|---|---|
| Socket | LGA3647 | LGA3647 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | 2933+73225% | DDR4-2933 |
| Max RAM Capacity | 1536 | 2048 GB+139810033% |
| RAM Channels | 6 | 6 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 48 | 48 |
Advanced Features
Neither processor supports overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: VT-x, VT-d (Xeon Platinum 8280) vs VT-x, VT-d, EPT (Xeon Platinum 8280M). Primary use case: Xeon Platinum 8280M targets High-end Server. Direct competitor: Xeon Platinum 8280 rivals EPYC 7702; Xeon Platinum 8280M rivals EPYC 7742.
| Feature | Xeon Platinum 8280 | Xeon Platinum 8280M |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | — |
| Unlocked | No | No |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d | VT-x, VT-d, EPT |
| Target Use | — | High-end Server |
Value Analysis
The Xeon Platinum 8280 launched at $10009 MSRP, while the Xeon Platinum 8280M debuted at $10009. At current prices ($2940 vs $6223), the Xeon Platinum 8280 is $3283 cheaper. In terms of value (PassMark points per dollar), the Xeon Platinum 8280 delivers 12.5 pts/$ vs 6.1 pts/$ for the Xeon Platinum 8280M — making the Xeon Platinum 8280 the 69.7% better value option.
| Feature | Xeon Platinum 8280 | Xeon Platinum 8280M |
|---|---|---|
| MSRP | $10009 | $10009 |
| Avg Price (30d) | $2940-53% | $6223 |
| Performance per Dollar | 12.5+105% | 6.1 |
| Release Date | 2019 | 2019 |
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