EPYC 7643 vs Xeon Platinum 8568Y+
EPYC 7643
Xeon Platinum 8568Y+
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 EPYC 7643
Performance Per Dollar Xeon Platinum 8568Y+
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 7643 | Xeon Platinum 8568Y+ |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($2,750) | ⚠️ Higher cost ($6,497) |
| Longevity | ✨ Modern (Milan (2021−2023) / 7 nm+) | ✨ Modern (Emerald Rapids (2023) / 10 nm) |
💎 Value Proposition
| Insight | EPYC 7643 | Xeon Platinum 8568Y+ |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+125%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($2,750) | ⚠️ Higher cost ($6,497) |
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 EPYC 7643 and Xeon Platinum 8568Y+
EPYC 7643
The EPYC 7643 is manufactured by AMD. It was released in 15 March 2021 (4 years ago). It is based on the Milan (2021−2023) architecture. It features 48 cores and 96 threads. Base frequency is 2.3 GHz, with boost up to 3.6 GHz. L3 cache: 256 MB (total). L2 cache: 512 kB (per core). Built on 7 nm+ process technology. Socket: SP3. Thermal design power (TDP): 225 Watt. Memory support: DDR4-3200. Passmark benchmark score: 76,050 points. Launch price was $4,995.
Xeon Platinum 8568Y+
The Xeon Platinum 8568Y+ is manufactured by Intel. It was released in 14 December 2023 (1 year ago). It is based on the Emerald Rapids (2023) architecture. It features 48 cores and 96 threads. Base frequency is 2.3 GHz, with boost up to 4 GHz. L3 cache: 300 MB (total). L2 cache: 2 MB (per core). Built on 10 nm process technology. Socket: LGA4677. Thermal design power (TDP): 350 Watt. Memory support: DDR5. Passmark benchmark score: 79,683 points. Launch price was $6,497.
Processing Power
Both the EPYC 7643 and Xeon Platinum 8568Y+ share an identical 48-core/96-thread configuration. Boost clocks reach 3.6 GHz on the EPYC 7643 versus 4 GHz on the Xeon Platinum 8568Y+ — a 10.5% clock advantage for the Xeon Platinum 8568Y+ (base: 2.3 GHz vs 2.3 GHz). The EPYC 7643 uses the Milan (2021−2023) architecture (7 nm+), while the Xeon Platinum 8568Y+ uses Emerald Rapids (2023) (10 nm). In PassMark, the EPYC 7643 scores 76,050 against the Xeon Platinum 8568Y+'s 79,683 — a 4.7% lead for the Xeon Platinum 8568Y+. Geekbench 6 single-core — the metric most relevant to gaming — records 1,671 vs 1,961, a 16% lead for the Xeon Platinum 8568Y+ that directly translates to higher frame rates. Multi-core Geekbench: 15,000 vs 55,000 (114.3% advantage for the Xeon Platinum 8568Y+). L3 cache: 256 MB (total) on the EPYC 7643 vs 300 MB (total) on the Xeon Platinum 8568Y+.
| Feature | EPYC 7643 | Xeon Platinum 8568Y+ |
|---|---|---|
| Cores / Threads | 48 / 96 | 48 / 96 |
| Boost Clock | 3.6 GHz | 4 GHz+11% |
| Base Clock | 2.3 GHz | 2.3 GHz |
| L3 Cache | 256 MB (total) | 300 MB (total)+17% |
| L2 Cache | 512 kB (per core) | 2 MB (per core)+300% |
| Process | 7 nm+-30% | 10 nm |
| Architecture | Milan (2021−2023) | Emerald Rapids (2023) |
| PassMark | 76,050 | 79,683+5% |
| Geekbench 6 Single | 1,671 | 1,961+17% |
| Geekbench 6 Multi | 15,000 | 55,000+267% |
Memory & Platform
The EPYC 7643 uses the SP3 socket (PCIe 4.0), while the Xeon Platinum 8568Y+ uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the EPYC 7643 versus DDR5-5600 on the Xeon Platinum 8568Y+ — the Xeon Platinum 8568Y+ supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Platinum 8568Y+ supports up to 4096 GB of RAM compared to 4 TB — 199.6% more capacity for professional workloads. Both feature 8-channel memory with ECC support. PCIe lanes: 128 (EPYC 7643) vs 80 (Xeon Platinum 8568Y+) — the EPYC 7643 offers 48 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3 (EPYC 7643) and C741 (Xeon Platinum 8568Y+).
| Feature | EPYC 7643 | Xeon Platinum 8568Y+ |
|---|---|---|
| Socket | SP3 | LGA4677 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | DDR4-3200 | DDR5-5600+25% |
| Max RAM Capacity | 4 TB | 4096 GB |
| RAM Channels | 8 | 8 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128+60% | 80 |
Advanced Features
Neither processor supports overclocking. Only the Xeon Platinum 8568Y+ supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V (EPYC 7643) vs VT-x, VT-d (Xeon Platinum 8568Y+). Primary use case: EPYC 7643 targets Server, Xeon Platinum 8568Y+ targets High Performance Server. Direct competitor: EPYC 7643 rivals EPYC 7443P; Xeon Platinum 8568Y+ rivals EPYC 9554.
| Feature | EPYC 7643 | Xeon Platinum 8568Y+ |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | No |
| AVX-512 | No | Yes |
| Virtualization | AMD-V | VT-x, VT-d |
| Target Use | Server | High Performance Server |
Value Analysis
The EPYC 7643 launched at $4995 MSRP, while the Xeon Platinum 8568Y+ debuted at $6497. At current prices ($2750 vs $6497), the EPYC 7643 is $3747 cheaper. In terms of value (PassMark points per dollar), the EPYC 7643 delivers 27.7 pts/$ vs 12.3 pts/$ for the Xeon Platinum 8568Y+ — making the EPYC 7643 the 77.1% better value option.
| Feature | EPYC 7643 | Xeon Platinum 8568Y+ |
|---|---|---|
| MSRP | $4995-23% | $6497 |
| Avg Price (30d) | $2750-58% | $6497 |
| Performance per Dollar | 27.7+125% | 12.3 |
| Release Date | 2021 | 2023 |
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