EPYC 7742 vs EPYC 9384X

AMD

EPYC 7742

64 Cores128 Thrd225 WWMax: 3.4 GHz2019

Popular choices:

VS
AMD

EPYC 9384X

32 Cores64 Thrd320 WWMax: 3.9 GHz2023

Popular choices:

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.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

EPYC 7742

2019

Why buy it

  • Draws 225W instead of 320W, a 95W reduction.

Trade-offs

  • Worse for gaming: lower average FPS than EPYC 9384X across 23 shared CPU benchmark tests.
  • Lower PassMark (69,448 vs 72,121).
  • Smaller total L3 cache (256 MB vs 768 MB).
  • Lower PassMark per dollar, at 10.0 vs 13.0 PassMark/$ ($6,950 MSRP vs $5,529 MSRP).
  • Older platform position on TR4 with DDR4, while EPYC 9384X moves to SP5 and DDR5.

EPYC 9384X

2023

Why buy it

  • Better for gaming: +4.0% higher average FPS across 23 shared CPU benchmark tests.
  • +200% larger total L3 cache (768 MB vs 256 MB).
  • Costs $1,421 less on MSRP ($5,529 MSRP vs $6,950 MSRP).
  • Delivers 30.5% more PassMark for each dollar spent, at 13.0 vs 10.0 PassMark/$ ($5,529 MSRP vs $6,950 MSRP).
  • Newer platform on SP5 with DDR5 support instead of TR4 and DDR4.

Trade-offs

  • 42.2% higher power demand at 320W vs 225W.

Quick Answers

So, is EPYC 9384X better than EPYC 7742?
Yes. EPYC 9384X is the better overall CPU here. You are getting a 4.0% average FPS lead across 23 shared CPU game tests in our data, 3.8% better PassMark, and the stronger long-term platform, which makes it the stronger all-around choice.
Which one is better for gaming?
If gaming is the priority, EPYC 9384X is the better pick here. According to our tests, it delivers 4.0% more average FPS across 23 shared CPU game tests.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, EPYC 9384X is the better fit. You are getting 3.8% better PassMark, backed by 32 cores and 64 threads. It also carries the larger cache pool with 200% larger total L3 cache (768 MB vs 256 MB).
Which one is the smarter buy today, not just the cheaper CPU?
EPYC 9384X is the smarter buy today. EPYC 9384X is $1,421 cheaper on MSRP at $5,529 MSRP versus $6,950 MSRP, and it gives you a 4.0% average FPS lead across 23 shared CPU game tests in our data. It is also 30.5% better value on MSRP (13.0 vs 10.0 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper.
Which one is more future-proof for 2026 and beyond?
EPYC 9384X is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2019), a healthier platform with SP5 and DDR5 instead of TR4, 200% larger total L3 cache (768 MB vs 256 MB), more multi-core headroom with 32 cores / 64 threads instead of 64/128, and AVX-512 support for heavier modern compute workloads. That should give you a better long-term upgrade path for motherboard, RAM, and future CPU swaps.

Games Benchmarks

Paired with RTX 4090

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.

Path of Exile 2

Path of Exile 2

PresetEPYC 7742EPYC 9384X
1080p
low192 FPS171 FPS
medium172 FPS141 FPS
high138 FPS120 FPS
ultra110 FPS95 FPS
1440p
low157 FPS148 FPS
medium132 FPS120 FPS
high101 FPS95 FPS
ultra82 FPS76 FPS
4K
low72 FPS70 FPS
medium65 FPS59 FPS
high50 FPS47 FPS
ultra40 FPS38 FPS
Counter-Strike 2

Counter-Strike 2

PresetEPYC 7742EPYC 9384X
1080p
low247 FPS507 FPS
medium221 FPS443 FPS
high183 FPS355 FPS
ultra148 FPS288 FPS
1440p
low202 FPS417 FPS
medium186 FPS373 FPS
high158 FPS308 FPS
ultra124 FPS243 FPS
4K
low126 FPS257 FPS
medium118 FPS234 FPS
high103 FPS205 FPS
ultra84 FPS171 FPS
League of Legends

League of Legends

PresetEPYC 7742EPYC 9384X
1080p
low629 FPS670 FPS
medium536 FPS559 FPS
high486 FPS521 FPS
ultra415 FPS453 FPS
1440p
low524 FPS510 FPS
medium446 FPS424 FPS
high394 FPS389 FPS
ultra338 FPS336 FPS
4K
low389 FPS376 FPS
medium312 FPS294 FPS
high274 FPS262 FPS
ultra224 FPS210 FPS
Valorant

Valorant

PresetEPYC 7742EPYC 9384X
1080p
low906 FPS904 FPS
medium828 FPS822 FPS
high713 FPS708 FPS
ultra618 FPS625 FPS
1440p
low711 FPS721 FPS
medium623 FPS629 FPS
high534 FPS538 FPS
ultra454 FPS460 FPS
4K
low503 FPS518 FPS
medium454 FPS462 FPS
high401 FPS406 FPS
ultra346 FPS349 FPS

Technical Specifications

Side-by-side comparison of EPYC 7742 and EPYC 9384X

AMD

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.

AMD

EPYC 9384X

The EPYC 9384X is manufactured by AMD. It was released in 13 June 2023 (2 years ago). It is based on the Genoa-X (2023) architecture. It features 32 cores and 64 threads. Base frequency is 3.1 GHz, with boost up to 3.9 GHz. L3 cache: 768 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: SP5. Thermal design power (TDP): 320 Watt. Memory support: DDR5. Passmark benchmark score: 72,121 points. Launch price was $5,529.

Processing Power

The EPYC 7742 packs 64 cores / 128 threads, while the EPYC 9384X offers 32 cores / 64 threads — the EPYC 7742 has 32 more cores. Boost clocks reach 3.4 GHz on the EPYC 7742 versus 3.9 GHz on the EPYC 9384X — a 13.7% clock advantage for the EPYC 9384X (base: 2.25 GHz vs 3.1 GHz). The EPYC 7742 uses the Zen 2 (2017−2020) architecture (7 nm, 14 nm), while the EPYC 9384X uses Genoa-X (2023) (5 nm). In PassMark, the EPYC 7742 scores 69,448 against the EPYC 9384X's 72,121 — a 3.8% lead for the EPYC 9384X. L3 cache: 256 MB (total) on the EPYC 7742 vs 768 MB (total) on the EPYC 9384X.

FeatureEPYC 7742EPYC 9384X
Cores / Threads
64 / 128+100%
32 / 64
Boost Clock
3.4 GHz
3.9 GHz+15%
Base Clock
2.25 GHz
3.1 GHz+38%
L3 Cache
256 MB (total)
768 MB (total)+200%
L2 Cache
512K (per core)
1 MB (per core)+100%
Process
7 nm, 14 nm
5 nm-29%
Architecture
Zen 2 (2017−2020)
Genoa-X (2023)
PassMark
69,448
72,121+4%
🧠

Memory & Platform

The EPYC 7742 uses the TR4 socket (PCIe 4.0), while the EPYC 9384X uses SP5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the EPYC 7742 versus 4800 on the EPYC 9384X — the EPYC 9384X supports 40% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 9384X supports up to 6144 of RAM compared to 4096 40% more capacity for professional workloads. Memory channels: 8 (EPYC 7742) vs 12 (EPYC 9384X). Both provide 128 PCIe lanes. Chipset compatibility: SP3 (EPYC 7742) and SP5 (EPYC 9384X).

FeatureEPYC 7742EPYC 9384X
Socket
TR4
SP5
PCIe Generation
PCIe 4.0
PCIe 5.0+25%
Max RAM Speed
3200
4800+50%
Max RAM Capacity
4096
6144+50%
RAM Channels
8
12+50%
ECC Support
Yes
Yes
PCIe Lanes
128
128
🔧

Advanced Features

Neither processor supports overclocking. Only the EPYC 9384X supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (EPYC 7742) vs VT-x, VT-d, SEV-SNP (EPYC 9384X). Direct competitor: EPYC 7742 rivals Xeon Platinum 8280; EPYC 9384X rivals Xeon Platinum 8468.

FeatureEPYC 7742EPYC 9384X
Integrated GPU
No
No
IGPU Model
None
None
Unlocked
No
No
AVX-512
No
Yes
Virtualization
VT-x, VT-d
VT-x, VT-d, SEV-SNP
💰

Value Analysis

The EPYC 7742 launched at $6950 MSRP, while the EPYC 9384X debuted at $5529. On MSRP ($6950 vs $5529), the EPYC 9384X is $1421 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 7742 delivers 10.0 pts/$ vs 13.0 pts/$ for the EPYC 9384X — making the EPYC 9384X the 26.5% better value option.

FeatureEPYC 7742EPYC 9384X
MSRP
$6950
$5529-20%
Performance per Dollar
10.0
13.0+30%
Release Date
2019
2023