CPU
GPU
Xeon w7-3445
EPYC 7453
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 w7-3445
Performance Per Dollar EPYC 7453
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon w7-3445 | EPYC 7453 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($2,596) | ✅ More affordable ($1,253) |
| Longevity | ✨ Modern (Sapphire Rapids (2023−2024) / Intel 7 nm) | ✨ Modern (Milan (2021−2023) / 7 nm+) |
💎 Value Proposition
| Insight | Xeon w7-3445 | EPYC 7453 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+105%) |
| Upfront Cost | ⚠️ Higher cost ($2,596) | ✅ More affordable ($1,253) |
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 w7-3445 and EPYC 7453
Xeon w7-3445
The Xeon w7-3445 is manufactured by Intel. It was released in 15 February 2023 (2 years ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 20 cores and 40 threads. Base frequency is 2.6 GHz, with boost up to 4.8 GHz. L3 cache: 52.5 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 270 Watt. Memory support: DDR5-4800. Passmark benchmark score: 48,991 points. Launch price was $1,989.
EPYC 7453
The EPYC 7453 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 28 cores and 56 threads. Base frequency is 2.75 GHz, with boost up to 3.45 GHz. L3 cache: 64 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: 48,453 points. Launch price was $1,570.
Processing Power
The Xeon w7-3445 packs 20 cores / 40 threads, while the EPYC 7453 offers 28 cores / 56 threads — the EPYC 7453 has 8 more cores. Boost clocks reach 4.8 GHz on the Xeon w7-3445 versus 3.45 GHz on the EPYC 7453 — a 32.7% clock advantage for the Xeon w7-3445 (base: 2.6 GHz vs 2.75 GHz). The Xeon w7-3445 uses the Sapphire Rapids (2023−2024) architecture (Intel 7 nm), while the EPYC 7453 uses Milan (2021−2023) (7 nm+). In PassMark, the Xeon w7-3445 scores 48,991 against the EPYC 7453's 48,453 — a 1.1% lead for the Xeon w7-3445. L3 cache: 52.5 MB on the Xeon w7-3445 vs 64 MB (total) on the EPYC 7453.
| Feature | Xeon w7-3445 | EPYC 7453 |
|---|---|---|
| Cores / Threads | 20 / 40 | 28 / 56+40% |
| Boost Clock | 4.8 GHz+39% | 3.45 GHz |
| Base Clock | 2.6 GHz | 2.75 GHz+6% |
| L3 Cache | 52.5 MB | 64 MB (total)+22% |
| L2 Cache | 2 MB (per core)+300% | 512 kB (per core) |
| Process | Intel 7 nm | 7 nm+ |
| Architecture | Sapphire Rapids (2023−2024) | Milan (2021−2023) |
| PassMark | 48,991+1% | 48,453 |
Memory & Platform
The Xeon w7-3445 uses the LGA4677 socket (PCIe 5.0), while the EPYC 7453 uses SP3 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 4800 on the Xeon w7-3445 versus 3200 on the EPYC 7453 — the Xeon w7-3445 supports 40% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 4096 of RAM. Both feature 8-channel memory with ECC support. PCIe lanes: 112 (Xeon w7-3445) vs 128 (EPYC 7453) — the EPYC 7453 offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: W790 (Xeon w7-3445) and SP3,C621A (EPYC 7453).
| Feature | Xeon w7-3445 | EPYC 7453 |
|---|---|---|
| Socket | LGA4677 | SP3 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | 4800+50% | 3200 |
| Max RAM Capacity | 4096 | 4096 |
| RAM Channels | 8 | 8 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 112 | 128+14% |
Advanced Features
Only the Xeon w7-3445 has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Both support VT-x, VT-d virtualization. Direct competitor: Xeon w7-3445 rivals Threadripper PRO 7965WX; EPYC 7453 rivals Xeon Platinum 8362.
| Feature | Xeon w7-3445 | EPYC 7453 |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | Yes | No |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d | VT-x, VT-d |
Value Analysis
The Xeon w7-3445 launched at $1989 MSRP, while the EPYC 7453 debuted at $1570. At current prices ($2596 vs $1253), the EPYC 7453 is $1343 cheaper. In terms of value (PassMark points per dollar), the Xeon w7-3445 delivers 18.9 pts/$ vs 38.7 pts/$ for the EPYC 7453 — making the EPYC 7453 the 68.8% better value option.
| Feature | Xeon w7-3445 | EPYC 7453 |
|---|---|---|
| MSRP | $1989 | $1570-21% |
| Avg Price (30d) | $2596 | $1253-52% |
| Performance per Dollar | 18.9 | 38.7+105% |
| Release Date | 2023 | 2021 |
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