EPYC 7742 vs EPYC 7702
EPYC 7742
EPYC 7702
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 7742
Performance Per Dollar EPYC 7702
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 7742 | EPYC 7702 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($800) | ⚠️ Higher cost ($2,035) |
| Longevity | ✨ Modern (Zen 2 (2017−2020) / 7 nm, 14 nm) | ✨ Modern (Zen 2 (2017−2020) / 7 nm, 14 nm) |
💎 Value Proposition
| Insight | EPYC 7742 | EPYC 7702 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+156%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($800) | ⚠️ Higher cost ($2,035) |
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 7742 and EPYC 7702
EPYC 7742
The EPYC 7742 is manufactured by AMD. It was released in 7 August 2019 (6 years ago). It is based on the Zen 2 (2017−2020) architecture. It features 64 cores and 128 threads. Base frequency is 2.25 GHz, with boost up to 3.4 GHz. L3 cache: 256 MB (total). L2 cache: 512K (per core). Built on 7 nm, 14 nm process technology. Socket: TR4. Thermal design power (TDP): 225 Watt. Memory support: DDR4 Eight-channel. Passmark benchmark score: 69,448 points. Launch price was $6,950.
EPYC 7702
The EPYC 7702 is manufactured by AMD. It was released in 7 August 2019 (6 years ago). It is based on the Zen 2 (2017−2020) architecture. It features 64 cores and 128 threads. Base frequency is 2 GHz, with boost up to 3.35 GHz. L3 cache: 256 MB (total). L2 cache: 512K (per core). Built on 7 nm, 14 nm process technology. Socket: TR4. Thermal design power (TDP): 200 Watt. Memory support: DDR4 Eight-channel. Passmark benchmark score: 69,060 points. Launch price was $6,450.
Processing Power
Both the EPYC 7742 and EPYC 7702 share an identical 64-core/128-thread configuration. Boost clocks reach 3.4 GHz on the EPYC 7742 versus 3.35 GHz on the EPYC 7702 — a 1.5% clock advantage for the EPYC 7742 (base: 2.25 GHz vs 2 GHz). Both are built on the Zen 2 (2017−2020) architecture using a 7 nm, 14 nm process. In PassMark, the EPYC 7742 scores 69,448 against the EPYC 7702's 69,060 — a 0.6% lead for the EPYC 7742. Both processors carry 256 MB (total) of L3 cache.
| Feature | EPYC 7742 | EPYC 7702 |
|---|---|---|
| Cores / Threads | 64 / 128 | 64 / 128 |
| Boost Clock | 3.4 GHz+1% | 3.35 GHz |
| Base Clock | 2.25 GHz+13% | 2 GHz |
| L3 Cache | 256 MB (total) | 256 MB (total) |
| L2 Cache | 512K (per core) | 512K (per core) |
| Process | 7 nm, 14 nm | 7 nm, 14 nm |
| Architecture | Zen 2 (2017−2020) | Zen 2 (2017−2020) |
| PassMark | 69,448 | 69,060 |
Memory & Platform
Both processors use the TR4 socket with PCIe 4.0. Both support up to 3200 memory speed. Both support up to 4096 of RAM. Both feature 8-channel memory with ECC support. Both provide 128 PCIe lanes. Chipset compatibility: SP3 (EPYC 7742) and SP3 (EPYC 7702).
| Feature | EPYC 7742 | EPYC 7702 |
|---|---|---|
| Socket | TR4 | TR4 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | 3200 | 3200 |
| Max RAM Capacity | 4096 | 4096 |
| RAM Channels | 8 | 8 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128 | 128 |
Advanced Features
Neither processor supports overclocking. Both support VT-x, VT-d virtualization. Direct competitor: EPYC 7742 rivals Xeon Platinum 8280; EPYC 7702 rivals Xeon Platinum 8280.
| Feature | EPYC 7742 | EPYC 7702 |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d | VT-x, VT-d |
Value Analysis
The EPYC 7742 launched at $6950 MSRP, while the EPYC 7702 debuted at $6450. At current prices ($800 vs $2035), the EPYC 7742 is $1235 cheaper. In terms of value (PassMark points per dollar), the EPYC 7742 delivers 86.8 pts/$ vs 33.9 pts/$ for the EPYC 7702 — making the EPYC 7742 the 87.6% better value option.
| Feature | EPYC 7742 | EPYC 7702 |
|---|---|---|
| MSRP | $6950 | $6450-7% |
| Avg Price (30d) | $800-61% | $2035 |
| Performance per Dollar | 86.8+156% | 33.9 |
| Release Date | 2019 | 2019 |
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