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CPU Comparison: FPS, Specs & Value

Core i7-3820 vs Core i7-3930K

The Core i7-3820 is slightly slower than the Core i7-3930K on average across 100+ games. We cannot compare value as at least one CPU is out of stock.

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CPU

$349.88View CPUAll CPUs

Is 3 months newer
Up to 91% cheaper – $349.88 vs $583
Up to 87% better value for money

CPU

View All CPUs

Up to 2% faster on average across 100+ games
Up to 91% more expensive – $583 vs $349.88

FPS Comparison Across Popular Games

Predicted average FPS at 1080p, 1440p, and 4K, based on real game benchmarks.

Resolution

Quality

Paired GPU

View Compare All GPUs

Select GPU

Escape From Tarkov2017

Core i7-3820

209FPS

Core i7-3930K

209FPS

League of Legends2009

Core i7-3820

132FPS

Core i7-3930K

134FPS

Overwatch 22023

Core i7-3820

521FPS

Core i7-3930K

521FPS

Grand Theft Auto V2013

Core i7-3820

188FPS

Core i7-3930K

188FPS

Valorant2020

Core i7-3820

541FPS

Core i7-3930K

541FPS

Fortnite2017

Core i7-3820

327FPS

Core i7-3930K

326FPS

Apex Legends2019

Core i7-3820

375FPS

Core i7-3930K

374FPS

Dota 22013

Core i7-3820

170FPS

Core i7-3930K

170FPS

Specs & Benchmark Comparison

Side-by-side specs, synthetic benchmarks, and key hardware differences.

Scorehelp

Core i7-3820

Core i7-3930K

Core i7-3930K ranks 1 points higher.

Coreshelp

Core i7-3820

Core i7-3930K

Core i7-3930K has 2 more cores.

Threadshelp

Core i7-3820

Core i7-3930K

Core i7-3930K has 4 more threads.

L3 Cachehelp

Core i7-3820

10 MB

Core i7-3930K

12 MB

Core i7-3930K has 2 MB more L3 cache.

Base Frequencyhelp

Core i7-3820

3.6 GHz

Core i7-3930K

3.2 GHz

Core i7-3820 has a 12% higher base clock.

Turbo Frequencyhelp

Core i7-3820

3.8 GHz

Core i7-3930K

3.8 GHz

TDPhelp

Core i7-3820

130W

Core i7-3930K

130W

Pricehelp

Core i7-3820

$349.88

Core i7-3930K

Core i7-3820Core i7-3930K

LGA2011

Sockethelp

LGA2011

Sandy Bridge-E

Codenamehelp

Sandy Bridge-E

Desktop

Segmenthelp

Desktop

No Integrated Graphics

Integrated GPUhelp

No Integrated Graphics

1600 MHz (DDR3)

RAMhelp

1600 MHz (DDR3)

Overclockable

Overclock Supporthelp

Overclockable

Frequently Asked Questions

compare_arrowsWhich is better, Core i7-3820 or Core i7-3930K?expand_more

Neither, they're within 1% of each other across 100+ games. Pick based on price, availability, or platform compatibility.

aspect_ratioWhich is better for 1440p and 4K gaming, Core i7-3820 or Core i7-3930K?expand_more

They trade blows depending on the game. Toggle the resolution selector above to compare per-game FPS at 1440p and 4K.

differenceWhat is the difference between Core i7-3820 and Core i7-3930K?expand_more

Performance: Core i7-3820 scores 8/100, Core i7-3930K scores 9/100. They also differ in core count, clock speeds, L3 cache, and power draw. Full breakdown in the specs section above.

compressWill the Core i7-3820 or Core i7-3930K bottleneck my PC?expand_more

Depends on the rest of your build, especially your GPU. Swap the paired GPU in the FPS section above to see if it limits performance, or use our bottleneck calculator for a full analysis.

upgradeIs it worth upgrading to the Core i7-3820 or Core i7-3930K?expand_more

Both are solid choices. Compare your current CPU against each one to see the exact FPS gain.