Xeon W-3345 vs Xeon Gold 6444Y
Xeon W-3345
Xeon Gold 6444Y
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 W-3345
Performance Per Dollar Xeon Gold 6444Y
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon W-3345 | Xeon Gold 6444Y |
|---|---|---|
| Gaming | Balanced gaming performance | Balanced gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($3,319) | ⚠️ Higher cost ($3,622) |
| Longevity | ✨ Modern (Ice Lake-W (2021) / 10 nm) | ✨ Modern (Sapphire Rapids (2023−2024) / Intel 7 nm) |
💎 Value Proposition
| Insight | Xeon W-3345 | Xeon Gold 6444Y |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+11%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($3,319) | ⚠️ Higher cost ($3,622) |
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 W-3345 and Xeon Gold 6444Y
Xeon W-3345
The Xeon W-3345 is manufactured by Intel. It was released in 2015-01-01. It is based on the Ice Lake-W (2021) architecture. It features 24 cores and 48 threads. Base frequency is 3 GHz, with boost up to 4 GHz. L3 cache: 36 MB (total). L2 cache: 1 MB (per core). Built on 10 nm process technology. Socket: LGA4189. Thermal design power (TDP): 250 Watt. Memory support: DDR4-3200. Passmark benchmark score: 48,140 points. Launch price was $800.
Xeon Gold 6444Y
The Xeon Gold 6444Y is manufactured by Intel. It was released in 10 January 2023 (2 years ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 16 cores and 32 threads. Base frequency is 3.6 GHz, with boost up to 4 GHz. L3 cache: 45 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, DDR5-4400. Passmark benchmark score: 47,176 points. Launch price was $1,517.
Processing Power
The Xeon W-3345 packs 24 cores / 48 threads, while the Xeon Gold 6444Y offers 16 cores / 32 threads — the Xeon W-3345 has 8 more cores. Boost clocks reach 4 GHz on the Xeon W-3345 versus 4 GHz on the Xeon Gold 6444Y — identical boost frequencies (base: 3 GHz vs 3.6 GHz). The Xeon W-3345 uses the Ice Lake-W (2021) architecture (10 nm), while the Xeon Gold 6444Y uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the Xeon W-3345 scores 48,140 against the Xeon Gold 6444Y's 47,176 — a 2% lead for the Xeon W-3345. L3 cache: 36 MB (total) on the Xeon W-3345 vs 45 MB on the Xeon Gold 6444Y.
| Feature | Xeon W-3345 | Xeon Gold 6444Y |
|---|---|---|
| Cores / Threads | 24 / 48+50% | 16 / 32 |
| Boost Clock | 4 GHz | 4 GHz |
| Base Clock | 3 GHz | 3.6 GHz+20% |
| L3 Cache | 36 MB (total) | 45 MB+25% |
| L2 Cache | 1 MB (per core) | 2 MB (per core)+100% |
| Process | 10 nm | Intel 7 nm-30% |
| Architecture | Ice Lake-W (2021) | Sapphire Rapids (2023−2024) |
| PassMark | 48,140+2% | 47,176 |
Memory & Platform
The Xeon W-3345 uses the LGA4189 socket (PCIe 4.0), while the Xeon Gold 6444Y uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the Xeon W-3345 versus 5600 on the Xeon Gold 6444Y — the Xeon Gold 6444Y supports 54.5% 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: 128 (Xeon W-3345) vs 80 (Xeon Gold 6444Y) — the Xeon W-3345 offers 48 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3,C621A (Xeon W-3345) and C741 (Xeon Gold 6444Y).
| Feature | Xeon W-3345 | Xeon Gold 6444Y |
|---|---|---|
| Socket | LGA4189 | LGA4677 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | 3200 | 5600+75% |
| Max RAM Capacity | 4096 | 4096 |
| RAM Channels | 8 | 8 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128+60% | 80 |
Advanced Features
Neither processor supports overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Both support VT-x, VT-d virtualization. Direct competitor: Xeon W-3345 rivals Xeon Platinum 8362; Xeon Gold 6444Y rivals EPYC 9384X.
| Feature | Xeon W-3345 | Xeon Gold 6444Y |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | No |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d | VT-x, VT-d |
Value Analysis
The Xeon W-3345 launched at $2499 MSRP, while the Xeon Gold 6444Y debuted at $3622.
| Feature | Xeon W-3345 | Xeon Gold 6444Y |
|---|---|---|
| MSRP | $2499-31% | $3622 |
| Avg Price (30d) | $3319 | — |
| Release Date | 2021 | 2023 |
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