EPYC 7663 vs Xeon 6740E

CPU

GPU

EPYC 7663

56 Cores112 Thrd240 WWMax: 3.5 GHz2021

Popular choices:

•••••••••

Xeon 6740E

96 Cores96 Thrd250 WWMax: 3.2 GHz2024

Popular choices:

•••••••••

Performance Spectrum - CPU

EPYC 7663

56 / 112

82,120

+7.8%

Ryzen 9 5950X

Ryzen Threadripper 3960X

Ryzen Threadripper 3970X

Ryzen 9 9950X3D

Ryzen Threadripper 9960X

Ryzen Threadripper PRO 9975WX

Ryzen Threadripper PRO 7985WX

Ryzen Threadripper 7980X

Xeon 6740E

96 / 96

76,167

0.0%

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 7663

2021

Why buy it

✅+7.8% higher PassMark.
✅+166.7% larger total L3 cache (256 MB vs 96 MB).
✅Draws 240W instead of 250W, a 10W reduction.
✅60% more PCIe lanes (128 vs 80) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon 6740E across 4 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 12.9 vs 14.5 PassMark/$ ($6,366 MSRP vs $5,265 MSRP).
❌Older platform position on SP3 with DDR4, while Xeon 6740E moves to LGA4710 and DDR5.

Xeon 6740E

2024

Why buy it

✅Better for gaming: +13.5% higher average FPS across 4 shared CPU benchmark tests.
✅Costs $1,101 less on MSRP ($5,265 MSRP vs $6,366 MSRP).
✅Delivers 12.1% more PassMark for each dollar spent, at 14.5 vs 12.9 PassMark/$ ($5,265 MSRP vs $6,366 MSRP).
✅Newer platform on LGA4710 with DDR5 support instead of SP3 and DDR4.

Trade-offs

❌Lower PassMark (76,167 vs 82,120).
❌Smaller total L3 cache (96 MB vs 256 MB).

EPYC 7663

2021

Xeon 6740E

2024

Why buy it

✅+7.8% higher PassMark.
✅+166.7% larger total L3 cache (256 MB vs 96 MB).
✅Draws 240W instead of 250W, a 10W reduction.
✅60% more PCIe lanes (128 vs 80) for storage and expansion-heavy builds.

Why buy it

✅Better for gaming: +13.5% higher average FPS across 4 shared CPU benchmark tests.
✅Costs $1,101 less on MSRP ($5,265 MSRP vs $6,366 MSRP).
✅Delivers 12.1% more PassMark for each dollar spent, at 14.5 vs 12.9 PassMark/$ ($5,265 MSRP vs $6,366 MSRP).
✅Newer platform on LGA4710 with DDR5 support instead of SP3 and DDR4.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon 6740E across 4 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 12.9 vs 14.5 PassMark/$ ($6,366 MSRP vs $5,265 MSRP).
❌Older platform position on SP3 with DDR4, while Xeon 6740E moves to LGA4710 and DDR5.

Trade-offs

❌Lower PassMark (76,167 vs 82,120).
❌Smaller total L3 cache (96 MB vs 256 MB).

Quick Answers

So, is Xeon 6740E better than EPYC 7663?

It depends on what matters more to you. For gaming, Xeon 6740E is ahead with a 13.5% average FPS lead across 4 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, EPYC 7663 pulls ahead with 7.8% better PassMark. EPYC 7663 also has the bigger cache pool with 166.7% larger total L3 cache (256 MB vs 96 MB).

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, EPYC 7663 is the better fit. You are getting 7.8% better PassMark, backed by 56 cores and 112 threads. It also carries the larger cache pool with 166.7% larger total L3 cache (256 MB vs 96 MB).

Which one is the smarter buy today, not just the cheaper CPU?

Xeon 6740E is the smarter buy today. Xeon 6740E is $1,101 cheaper on MSRP at $5,265 MSRP versus $6,366 MSRP, and it gives you a 13.5% average FPS lead across 4 shared CPU game tests in our data. The trade-off is that EPYC 7663 is still stronger for heavier multi-core work with 7.8% better PassMark. It is also 12.1% better value on MSRP (14.5 vs 12.9 PassMark/$), 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?

Xeon 6740E is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2021), a healthier platform with LGA4710 and DDR5 instead of SP3, 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.

EPYC 7663 Benchmark Check

Xeon 6740E Benchmark Check

Path of Exile 2

Preset	EPYC 7663	Xeon 6740E
1080p
low	190 FPS	189 FPS
medium	155 FPS	152 FPS
high	123 FPS	121 FPS
ultra	96 FPS	95 FPS
1440p
low	156 FPS	153 FPS
medium	123 FPS	119 FPS
high	94 FPS	91 FPS
ultra	75 FPS	73 FPS
4K
low	72 FPS	71 FPS
medium	60 FPS	59 FPS
high	46 FPS	46 FPS
ultra	38 FPS	38 FPS

Open EPYC 7663 Open Xeon 6740E

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	EPYC 7663	Xeon 6740E
1080p
low	238 FPS	437 FPS
medium	211 FPS	378 FPS
high	174 FPS	306 FPS
ultra	138 FPS	241 FPS
1440p
low	195 FPS	359 FPS
medium	177 FPS	319 FPS
high	151 FPS	266 FPS
ultra	116 FPS	203 FPS
4K
low	121 FPS	222 FPS
medium	112 FPS	201 FPS
high	97 FPS	168 FPS
ultra	79 FPS	135 FPS

Open EPYC 7663 Open Xeon 6740E

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	EPYC 7663	Xeon 6740E
1080p
low	836 FPS	934 FPS
medium	696 FPS	831 FPS
high	649 FPS	779 FPS
ultra	573 FPS	693 FPS
1440p
low	602 FPS	746 FPS
medium	500 FPS	655 FPS
high	458 FPS	614 FPS
ultra	400 FPS	546 FPS
4K
low	430 FPS	479 FPS
medium	335 FPS	378 FPS
high	300 FPS	334 FPS
ultra	242 FPS	272 FPS

Open EPYC 7663 Open Xeon 6740E

League of Legends

League of Legends

Valorant

Preset	EPYC 7663	Xeon 6740E
1080p
low	954 FPS	918 FPS
medium	863 FPS	830 FPS
high	739 FPS	715 FPS
ultra	637 FPS	610 FPS
1440p
low	733 FPS	710 FPS
medium	636 FPS	620 FPS
high	542 FPS	530 FPS
ultra	466 FPS	450 FPS
4K
low	522 FPS	509 FPS
medium	464 FPS	455 FPS
high	406 FPS	400 FPS
ultra	353 FPS	344 FPS

Open EPYC 7663 Open Xeon 6740E

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of EPYC 7663 and Xeon 6740E

EPYC 7663

The EPYC 7663 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 56 cores and 112 threads. Base frequency is 2 GHz, with boost up to 3.5 GHz. L3 cache: 256 MB (total). L2 cache: 512 kB (per core). Built on 7 nm+ process technology. Socket: SP3. Thermal design power (TDP): 240 Watt. Memory support: DDR4-3200. Passmark benchmark score: 82,120 points. Launch price was $6,366.

Xeon 6740E

The Xeon 6740E is manufactured by Intel. It was released in 3 June 2024 (1 year ago). It is based on the Sierra Forest (2024) architecture. It features 96 cores and 96 threads. Base frequency is 2.4 GHz, with boost up to 3.2 GHz. L3 cache: 96 MB (total). L2 cache: 4 MB (per module). Built on Intel 3 nm process technology. Socket: LGA4710. Thermal design power (TDP): 250 Watt. Memory support: DDR5-6400. Passmark benchmark score: 76,167 points. Launch price was $5,265.

⚡

Processing Power

The EPYC 7663 packs 56 cores / 112 threads, while the Xeon 6740E offers 96 cores / 96 threads — the Xeon 6740E has 40 more cores. Boost clocks reach 3.5 GHz on the EPYC 7663 versus 3.2 GHz on the Xeon 6740E — a 9% clock advantage for the EPYC 7663 (base: 2 GHz vs 2.4 GHz). The EPYC 7663 uses the Milan (2021−2023) architecture (7 nm+), while the Xeon 6740E uses Sierra Forest (2024) (Intel 3 nm). In PassMark, the EPYC 7663 scores 82,120 against the Xeon 6740E's 76,167 — a 7.5% lead for the EPYC 7663. L3 cache: 256 MB (total) on the EPYC 7663 vs 96 MB (total) on the Xeon 6740E.

Feature	EPYC 7663	Xeon 6740E
Cores / Threads	56 / 112	96 / 96+71%
Boost Clock	3.5 GHz+9%	3.2 GHz
Base Clock	2 GHz	2.4 GHz+20%
L3 Cache	256 MB (total)+167%	96 MB (total)
L2 Cache	512 kB (per core)	4 MB (per module)+700%
Process	7 nm+	Intel 3 nm-57%
Architecture	Milan (2021−2023)	Sierra Forest (2024)
PassMark	82,120+8%	76,167
Geekbench 6 Single	1,370	—
Geekbench 6 Multi	12,380	—

🧠

Memory & Platform

The EPYC 7663 uses the SP3 socket (PCIe 4.0), while the Xeon 6740E uses LGA4710 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the EPYC 7663 versus 6400 on the Xeon 6740E — the Xeon 6740E supports 199.8% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 4096 GB of RAM. Both feature 8-channel memory with ECC support. PCIe lanes: 128 (EPYC 7663) vs 80 (Xeon 6740E) — the EPYC 7663 offers 48 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3 (EPYC 7663) and C741 (Xeon 6740E).

Feature	EPYC 7663	Xeon 6740E
Socket	SP3	LGA4710
PCIe Generation	PCIe 4.0	PCIe 4.0
Max RAM Speed	DDR4-3200	6400+159900%
Max RAM Capacity	4096 GB+104857500%	4096
RAM Channels	8	8
ECC Support	Yes	Yes
PCIe Lanes	128+60%	80

🔧

Advanced Features

Neither processor supports overclocking. Only the Xeon 6740E supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V (EPYC 7663) vs VT-x, VT-d, TDX (Xeon 6740E). Primary use case: EPYC 7663 targets Server. Direct competitor: EPYC 7663 rivals Xeon Platinum 8380; Xeon 6740E rivals EPYC 9005.

Feature	EPYC 7663	Xeon 6740E
Integrated GPU	No	No
IGPU Model	None	None
Unlocked	No	No
AVX-512	No	Yes
Virtualization	AMD-V	VT-x, VT-d, TDX
Target Use	Server	—

💰

Value Analysis

The EPYC 7663 launched at $6366 MSRP, while the Xeon 6740E debuted at $5265. On MSRP ($6366 vs $5265), the Xeon 6740E is $1101 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 7663 delivers 12.9 pts/$ vs 14.5 pts/$ for the Xeon 6740E — making the Xeon 6740E the 11.5% better value option.