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.

Core i5-10400F

2020

Why buy it

✅Costs $163 less on MSRP ($160 MSRP vs $323 MSRP).
✅Delivers 21.9% more PassMark for each dollar spent, at 81.4 vs 66.8 PassMark/$ ($160 MSRP vs $323 MSRP).
✅Includes a boxed cooler (Yes), unlike Core i7-11700B.

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-11700B across 6 shared CPU benchmark tests.
❌Lower Cinebench R23 multi-core (8,191 vs 10,287).
❌Smaller total L3 cache (12 MB vs 24 MB).
❌No integrated graphics, while Core i7-11700B can still boot and troubleshoot without a discrete GPU.

Core i7-11700B

2021

Why buy it

✅Better for gaming: +39.8% higher average FPS across 6 shared CPU benchmark tests.
✅+100% larger total L3 cache (24 MB vs 12 MB).
✅25% more PCIe lanes (20 vs 16) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Intel UHD Graphics 750, while Core i5-10400F needs a discrete GPU.

Trade-offs

❌Lower PassMark per dollar, at 66.8 vs 81.4 PassMark/$ ($323 MSRP vs $160 MSRP).
❌No boxed cooler included, unlike Core i5-10400F.

Core i5-10400F

2020

Core i7-11700B

2021

Why buy it

✅Costs $163 less on MSRP ($160 MSRP vs $323 MSRP).
✅Delivers 21.9% more PassMark for each dollar spent, at 81.4 vs 66.8 PassMark/$ ($160 MSRP vs $323 MSRP).
✅Includes a boxed cooler (Yes), unlike Core i7-11700B.

Why buy it

✅Better for gaming: +39.8% higher average FPS across 6 shared CPU benchmark tests.
✅+100% larger total L3 cache (24 MB vs 12 MB).
✅25% more PCIe lanes (20 vs 16) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Intel UHD Graphics 750, while Core i5-10400F needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-11700B across 6 shared CPU benchmark tests.
❌Lower Cinebench R23 multi-core (8,191 vs 10,287).
❌Smaller total L3 cache (12 MB vs 24 MB).
❌No integrated graphics, while Core i7-11700B can still boot and troubleshoot without a discrete GPU.

Trade-offs

❌Lower PassMark per dollar, at 66.8 vs 81.4 PassMark/$ ($323 MSRP vs $160 MSRP).
❌No boxed cooler included, unlike Core i5-10400F.

Quick Answers

So, is Core i7-11700B better than Core i5-10400F?

Yes. Core i7-11700B is the better overall CPU here. You are getting a 39.8% average FPS lead across 6 shared CPU game tests in our data, 25.6% better Cinebench R23 multi-core, 65.6% higher 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, Core i7-11700B is the better pick here. According to our tests, it delivers 39.8% more average FPS across 6 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Core i7-11700B is the better fit. You are getting 25.6% better Cinebench R23 multi-core, backed by 8 cores and 16 threads. It also carries the larger cache pool with 100% larger total L3 cache (24 MB vs 12 MB).

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

Core i7-11700B is still the faster CPU overall, but Core i5-10400F makes more sense if price matters more than absolute performance. Core i7-11700B is 101.9% more expensive on MSRP at $323 MSRP versus $160 MSRP, and it gives you a 39.8% average FPS lead across 6 shared CPU game tests in our data. Core i5-10400F is also 21.9% better value on MSRP (81.4 vs 66.8 PassMark/$), which is why it is easier to justify for price-conscious builds on paper.

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

Core i7-11700B is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2021 vs 2020), 100% larger total L3 cache (24 MB vs 12 MB), and more multi-core headroom with 8 cores / 16 threads instead of 6/12. That extra compute headroom should age better as games, background tasks, and creator workloads get heavier.

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.

Core i5-10400F Benchmark Check

Core i7-11700B Benchmark Check

Path of Exile 2

Preset	Core i5-10400F	Core i7-11700B
1080p
low	192 FPS	250 FPS
medium	152 FPS	231 FPS
high	123 FPS	194 FPS
ultra	100 FPS	167 FPS
1440p
low	153 FPS	222 FPS
medium	119 FPS	186 FPS
high	97 FPS	151 FPS
ultra	79 FPS	133 FPS
4K
low	82 FPS	155 FPS
medium	70 FPS	131 FPS
high	55 FPS	101 FPS
ultra	43 FPS	89 FPS

Open Core i5-10400F Open Core i7-11700B

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i5-10400F	Core i7-11700B
1080p
low	326 FPS	540 FPS
medium	318 FPS	490 FPS
high	290 FPS	410 FPS
ultra	253 FPS	374 FPS
1440p
low	326 FPS	477 FPS
medium	292 FPS	421 FPS
high	267 FPS	365 FPS
ultra	234 FPS	317 FPS
4K
low	309 FPS	294 FPS
medium	258 FPS	262 FPS
high	235 FPS	247 FPS
ultra	199 FPS	219 FPS

Open Core i5-10400F Open Core i7-11700B

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i5-10400F	Core i7-11700B
1080p
low	326 FPS	540 FPS
medium	326 FPS	540 FPS
high	326 FPS	488 FPS
ultra	326 FPS	388 FPS
1440p
low	326 FPS	540 FPS
medium	326 FPS	501 FPS
high	326 FPS	426 FPS
ultra	326 FPS	346 FPS
4K
low	326 FPS	430 FPS
medium	326 FPS	369 FPS
high	289 FPS	325 FPS
ultra	229 FPS	260 FPS

Open Core i5-10400F Open Core i7-11700B

League of Legends

League of Legends

Valorant

Preset	Core i5-10400F	Core i7-11700B
1080p
low	326 FPS	540 FPS
medium	326 FPS	540 FPS
high	326 FPS	540 FPS
ultra	326 FPS	540 FPS
1440p
low	326 FPS	540 FPS
medium	326 FPS	540 FPS
high	326 FPS	540 FPS
ultra	326 FPS	492 FPS
4K
low	326 FPS	522 FPS
medium	326 FPS	469 FPS
high	326 FPS	417 FPS
ultra	326 FPS	358 FPS

Open Core i5-10400F Open Core i7-11700B

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i5-10400F and Core i7-11700B

Core i5-10400F

The Core i5-10400F is manufactured by Intel. It was released in 30 April 2020 (5 years ago). It is based on the Comet Lake (2020−2025) architecture. It features 6 cores and 12 threads. Base frequency is 2.9 GHz, with boost up to 4.3 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 13,029 points. Launch price was $155.

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.

⚡

Processing Power

The Core i5-10400F packs 6 cores / 12 threads, while the Core i7-11700B offers 8 cores / 16 threads — the Core i7-11700B has 2 more cores. Boost clocks reach 4.3 GHz on the Core i5-10400F versus 4.8 GHz on the Core i7-11700B — a 11% clock advantage for the Core i7-11700B (base: 2.9 GHz vs 3.2 GHz). The Core i5-10400F uses the Comet Lake (2020−2025) architecture (14 nm), while the Core i7-11700B uses Tiger Lake-H (2021) (10 nm SuperFin). In PassMark, the Core i5-10400F scores 13,029 against the Core i7-11700B's 21,581 — a 49.4% lead for the Core i7-11700B. Cinebench R23 multi-core: 8,191 vs 10,287 (22.7% advantage for the Core i7-11700B). Geekbench 6 single-core — the metric most relevant to gaming — records 1,454 vs 2,265, a 43.6% lead for the Core i7-11700B that directly translates to higher frame rates. Multi-core Geekbench: 5,783 vs 10,050 (53.9% advantage for the Core i7-11700B). L3 cache: 12 MB (total) on the Core i5-10400F vs 24 MB (total) on the Core i7-11700B.

Feature	Core i5-10400F	Core i7-11700B
Cores / Threads	6 / 12	8 / 16+33%
Boost Clock	4.3 GHz	4.8 GHz+12%
Base Clock	2.9 GHz	3.2 GHz+10%
L3 Cache	12 MB (total)	24 MB (total)+100%
L2 Cache	256K (per core)	1.25 MB (per core)+400%
Process	14 nm	10 nm SuperFin-29%
Architecture	Comet Lake (2020−2025)	Tiger Lake-H (2021)
PassMark	13,029	21,581+66%
Cinebench R23 Multi	8,191	10,287+26%
Geekbench 6 Single	1,454	2,265+56%
Geekbench 6 Multi	5,783	10,050+74%

🧠

Memory & Platform

The Core i5-10400F uses the LGA1200 socket (PCIe 3.0), while the Core i7-11700B uses FCBGA1787 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to DDR4-2666 memory speed. Both support up to 128 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core i5-10400F) vs 20 (Core i7-11700B) — the Core i7-11700B offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H410,B460,H470,Z490,H510,B560,H570,Z590 (Core i5-10400F) and HM570,QM580,WM590 (Core i7-11700B).

Feature	Core i5-10400F	Core i7-11700B
Socket	LGA1200	FCBGA1787
PCIe Generation	PCIe 3.0	PCIe 4.0+33%
Max RAM Speed	DDR4-2666	DDR4-3200
Max RAM Capacity	128 GB	128 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	16	20+25%

🔧

Advanced Features

Neither processor supports overclocking. Only the Core i7-11700B supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d virtualization. The Core i7-11700B includes integrated graphics (Intel UHD Graphics 750), while the Core i5-10400F requires a dedicated GPU. Primary use case: Core i5-10400F targets Gaming, Core i7-11700B targets Desktop. Direct competitor: Core i5-10400F rivals Ryzen 5 3600.

Feature	Core i5-10400F	Core i7-11700B
Integrated GPU	No	Yes
IGPU Model	—	Intel UHD Graphics 750
Unlocked	No	No
AVX-512	No	Yes
Virtualization	VT-x, VT-d	VT-x, VT-d
Target Use	Gaming	Desktop

💰

Value Analysis

The Core i5-10400F launched at $160 MSRP, while the Core i7-11700B debuted at $323. On MSRP ($160 vs $323), the Core i5-10400F is $163 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-10400F delivers 81.4 pts/$ vs 66.8 pts/$ for the Core i7-11700B — making the Core i5-10400F the 19.7% better value option.