Core i7-11700B vs Ryzen 5 PRO 8640HS

Core i7-11700B vs Ryzen 5 PRO 8640HS Performance Spectrum

Core i7-11700B

8 / 16

21,581

+0.8%

21,408

0.0%

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 Ryzen 5 PRO 8640HS 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 Ryzen 5 PRO 8640HS: 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

✅+0.8% higher PassMark.
✅+50% larger total L3 cache (24 MB vs 16 MB).
✅100+% more PCIe lanes (20 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Intel UHD Graphics 750, while Ryzen 5 PRO 8640HS needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 5 PRO 8640HS across 50 shared CPU benchmark tests.
❌Launch MSRP is still $323 MSRP, while Ryzen 5 PRO 8640HS mostly shows up through inconsistent older-market listings.
❌132.1% higher power demand at 65W vs 28W.
❌Older platform position on FCBGA1787 with DDR4, while Ryzen 5 PRO 8640HS moves to FP7 and DDR5.

Ryzen 5 PRO 8640HS

2024

Why buy it

✅Better for gaming: +11.9% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 28W instead of 65W, a 37W reduction.
✅Newer platform on FP7 with DDR5 support instead of FCBGA1787 and DDR4.

Trade-offs

❌Lower PassMark (21,408 vs 21,581).
❌Smaller total L3 cache (16 MB vs 24 MB).
❌No integrated graphics, while Core i7-11700B can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Ryzen 5 PRO 8640HS better than Core i7-11700B?

It depends on what you want from the system. For gaming, Ryzen 5 PRO 8640HS is ahead with a 11.9% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i7-11700B pulls ahead with 0.8% better PassMark. Core i7-11700B also has the bigger cache pool with 50% larger total L3 cache (24 MB vs 16 MB).

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

For streaming, content creation, and heavier multitasking, Core i7-11700B is the stronger fit. You are getting 0.8% better PassMark, backed by 8 cores and 16 threads. It also has the larger cache pool with 50% larger total L3 cache (24 MB vs 16 MB).

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

Ryzen 5 PRO 8640HS is the easy recommendation for a fresh desktop build. Ryzen 5 PRO 8640HS comes in at an unclear MSRP at unclear MSRP versus $323 MSRP, and it still gives you a 11.9% average FPS lead across 50 shared CPU game tests in our data. Core i7-11700B only looks good on raw value math because it is a cheap legacy laptop chip, not because it is a real desktop gaming recommendation. It simply does not keep up in modern games, especially when the gap is already 11.9% in the shared gaming data.

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

Ryzen 5 PRO 8640HS makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2021) and a healthier platform with FP7 and DDR5 instead of FCBGA1787. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i7-11700B vs Ryzen 5 PRO 8640HS 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.

Ryzen 5 PRO 8640HS

The Ryzen 5 PRO 8640HS is manufactured by AMD. It was released in 16 April 2024 (1 year ago). It is based on the Hawk Point (2024−2025) architecture. It features 6 cores and 12 threads. Base frequency is 3.5 GHz, with boost up to 4.9 GHz. L3 cache: 16 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FP7. Thermal design power (TDP): 28 Watt. Memory support: DDR5. Passmark benchmark score: 21,408 points. Launch price was $299.

⚡

Processing Power

The Core i7-11700B packs 8 cores / 16 threads, while the Ryzen 5 PRO 8640HS offers 6 cores / 12 threads — the Core i7-11700B has 2 more cores. Boost clocks reach 4.8 GHz on the Core i7-11700B versus 4.9 GHz on the Ryzen 5 PRO 8640HS — a 2.1% clock advantage for the Ryzen 5 PRO 8640HS (base: 3.2 GHz vs 3.5 GHz). The Core i7-11700B uses the Tiger Lake-H (2021) architecture (10 nm SuperFin), while the Ryzen 5 PRO 8640HS uses Hawk Point (2024−2025) (4 nm). In PassMark, the Core i7-11700B scores 21,581 against the Ryzen 5 PRO 8640HS's 21,408 — a 0.8% lead for the Core i7-11700B. L3 cache: 24 MB (total) on the Core i7-11700B vs 16 MB (total) on the Ryzen 5 PRO 8640HS.

Feature	Core i7-11700B	Ryzen 5 PRO 8640HS
Cores / Threads	8 / 16+33%	6 / 12
Boost Clock	4.8 GHz	4.9 GHz+2%
Base Clock	3.2 GHz	3.5 GHz+9%
L3 Cache	24 MB (total)+50%	16 MB (total)
L2 Cache	1.25 MB (per core)+25%	1 MB (per core)
Process	10 nm SuperFin	4 nm-60%
Architecture	Tiger Lake-H (2021)	Hawk Point (2024−2025)
PassMark	21,581	21,408
Cinebench R23 Multi	10,287	—
Geekbench 6 Single	2,265	—
Geekbench 6 Multi	10,050	—

🧠

Memory & Platform

The Core i7-11700B uses the FCBGA1787 socket (PCIe 4.0), while the Ryzen 5 PRO 8640HS uses FP7 (PCIe 4.0) — making them incompatible on the same motherboard.

Feature	Core i7-11700B	Ryzen 5 PRO 8640HS
Socket	FCBGA1787	FP7
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	—

🔧

Advanced Features

Virtualization: VT-x, VT-d (Core i7-11700B) / not specified (Ryzen 5 PRO 8640HS). The Core i7-11700B includes integrated graphics (Intel UHD Graphics 750), while the Ryzen 5 PRO 8640HS requires a dedicated GPU. Primary use case: Core i7-11700B targets Desktop.