Core i7-11700B vs EPYC 7281

Core i7-11700B vs EPYC 7281 Performance Spectrum

Core i7-11700B

8 / 16

21,581

0.0%

21,621

+0.2%

Ryzen Threadripper PRO 5975WX

Ryzen Threadripper 9960X

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.

Core i7-11700B vs EPYC 7281 FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Core i7-11700B vs EPYC 7281: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Core i7-11700B

2021

Why buy it

✅Better for gaming: +4.3% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 65W instead of 155W, a 90W reduction.
✅100+% more PCIe lanes (20 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Intel UHD Graphics 750, while EPYC 7281 needs a discrete GPU.

Trade-offs

❌Lower PassMark (21,581 vs 21,621).
❌Smaller total L3 cache (24 MB vs 32 MB).
❌Less compelling for workstation-style loads than EPYC 7281, which brings 16 cores / 32 threads.
❌Launch MSRP is still $323 MSRP, while EPYC 7281 mostly shows up through inconsistent older-market listings.

EPYC 7281

2017

Why buy it

✅+0.2% higher PassMark.
✅+33.3% larger total L3 cache (32 MB vs 24 MB).
✅Better for workstations and heavier parallel workloads: 16 cores / 32 threads.

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-11700B across 50 shared CPU benchmark tests.
❌138.5% higher power demand at 155W vs 65W.
❌No integrated graphics, while Core i7-11700B can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core i7-11700B better than EPYC 7281?

Not really, because they are built for different jobs. EPYC 7281 makes more sense for workstation-style multi-core throughput, while Core i7-11700B is the more practical desktop choice for gaming, platform cost, and everyday use.

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

For streaming, content creation, and heavier multitasking, EPYC 7281 is the stronger fit. You are getting 0.2% better PassMark, backed by 16 cores and 32 threads. It also has the larger cache pool with 33.3% larger total L3 cache (32 MB vs 24 MB).

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

Core i7-11700B is the better buy right now. Core i7-11700B comes in at an unclear MSRP at $323 MSRP versus unclear MSRP, and it still gives you a 4.3% average FPS lead across 50 shared CPU game tests in our data. The compromise is that EPYC 7281 is still stronger for heavier multi-core work with 0.2% better PassMark. It is also 100.0% better value on MSRP (66.8 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

Which one is more future-proof for 2026 and beyond?

Core i7-11700B makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2021 vs 2017) and AVX-512 support for heavier modern compute workloads. That makes it the safer long-term bet.

Core i7-11700B vs EPYC 7281 Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Core i7-11700B

The Core i7-11700B is manufactured by Intel. It was released in 11 May 2021 (4 years ago). It is based on the Tiger Lake-H (2021) architecture. It features 8 cores and 16 threads. Base frequency is 3.2 GHz, with boost up to 4.8 GHz. L3 cache: 24 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm SuperFin process technology. Socket: FCBGA1787. Thermal design power (TDP): 65 Watt. Memory support: Up to 3200 MT/s. Passmark benchmark score: 21,581 points. Launch price was $299.

EPYC 7281

The EPYC 7281 is manufactured by AMD. It was released in 29 June 2017 (8 years ago). It is based on the Naples (2017−2018) architecture. It features 16 cores and 32 threads. Base frequency is 2.1 GHz, with boost up to 2.7 GHz. L3 cache: 32 MB (total). L2 cache: 512K (per core). Built on 14 nm process technology. Socket: TR4. Thermal design power (TDP): 170 Watt. Memory support: DDR4 Eight-channel. Passmark benchmark score: 21,621 points. Launch price was $650.

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Processing Power

The Core i7-11700B packs 8 cores / 16 threads, while the EPYC 7281 offers 16 cores / 32 threads — the EPYC 7281 has 8 more cores. Boost clocks reach 4.8 GHz on the Core i7-11700B versus 2.7 GHz on the EPYC 7281 — a 56% clock advantage for the Core i7-11700B (base: 3.2 GHz vs 2.1 GHz). The Core i7-11700B uses the Tiger Lake-H (2021) architecture (10 nm SuperFin), while the EPYC 7281 uses Naples (2017−2018) (14 nm). In PassMark, the Core i7-11700B scores 21,581 against the EPYC 7281's 21,621 — a 0.2% lead for the EPYC 7281. L3 cache: 24 MB (total) on the Core i7-11700B vs 32 MB (total) on the EPYC 7281.

Feature	Core i7-11700B	EPYC 7281
Cores / Threads	8 / 16	16 / 32+100%
Boost Clock	4.8 GHz+78%	2.7 GHz
Base Clock	3.2 GHz+52%	2.1 GHz
L3 Cache	24 MB (total)	32 MB (total)+33%
L2 Cache	1.25 MB (per core)	512K (per core)+40860%
Process	10 nm SuperFin-29%	14 nm
Architecture	Tiger Lake-H (2021)	Naples (2017−2018)
PassMark	21,581	21,621
Cinebench R23 Multi	10,287	—
Geekbench 6 Single	2,265	—
Geekbench 6 Multi	10,050	—

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Memory & Platform

The Core i7-11700B uses the FCBGA1787 socket (PCIe 4.0), while the EPYC 7281 uses TR4 (PCIe 4.0) — making them incompatible on the same motherboard.

Feature	Core i7-11700B	EPYC 7281
Socket	FCBGA1787	TR4
PCIe Generation	PCIe 4.0	PCIe 4.0
Max RAM Speed	DDR4-3200	—
Max RAM Capacity	128 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	20	—

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Advanced Features

Virtualization: VT-x, VT-d (Core i7-11700B) / not specified (EPYC 7281). The Core i7-11700B includes integrated graphics (Intel UHD Graphics 750), while the EPYC 7281 requires a dedicated GPU. Primary use case: Core i7-11700B targets Desktop.