AMD Radeon RX 6400 vs AMD Radeon RX 6600

FPS benchmarks across 148 games (reference CPU: r9-9950x3D2), live prices, popularity and community builds.

AMD

RX 6400

RDNA 2 · 4 GB GDDR6

#64 / 71
AMD Radeon RX 6400
Overall score Relative gaming performance score, based on the average FPS measured across our benchmarked games. 100 = the fastest card in our catalog.1/100

Lowest price

$275

FPS / $

1.127

AMD

RX 6600

RDNA 2 · 8 GB GDDR6

#21 / 71
AMD Radeon RX 6600
Overall score Relative gaming performance score, based on the average FPS measured across our benchmarked games. 100 = the fastest card in our catalog.18/100

Lowest price

$290

FPS / $

1.276

Our verdict

  • The RX 6600 is on average 17% faster than the RX 6400 at 1440p across our reference games.
  • The RX 6400 is currently $15 cheaper ($275 vs $290).
  • With 1.276 FPS/$, the RX 6600 offers the best price-to-performance ratio.
  • The RX 6600 packs more video memory (8 GB vs 4 GB), an advantage for 4K and heavy textures.

Gaming performance

Benchmarks measured with a r9-9950x3D2 to avoid bottlenecking the graphics cards.

RX 6400
RX 6600
Counter-Strike 2

Counter-Strike 2

+9%
330 FPS
1% low 193
359 FPS
1% low 209
Apex Legends

Apex Legends

+33%
163 FPS
1% low 109
217 FPS
1% low 149
Grand Theft Auto V

Grand Theft Auto V

+37%
51 FPS
1% low 38
70 FPS
1% low 56
Red Dead Redemption 2

Red Dead Redemption 2

+45%
74 FPS
1% low 52
107 FPS
1% low 77
Cyberpunk 2077

Cyberpunk 2077

+47%
53 FPS
1% low 39
78 FPS
1% low 61
Rocket League

Rocket League

+9%
591 FPS
1% low 245
642 FPS
1% low 290
Call of Duty: Black Ops 6

Call of Duty: Black Ops 6

+54%
82 FPS
1% low 61
126 FPS
1% low 94
Crimson Desert

Crimson Desert

+45%
62 FPS
1% low 44
90 FPS
1% low 65

FPS / $

The higher the number, the better the performance you get for your money.

RX 6400
1.127
RX 6600
1.276

Want to see FPS in other games? Explore all our benchmarks

Specifications

RX 6400 RX 6600
ArchitectureRDNA 2 RDNA 2
Release date2022-01 2021-10
Video memory4 GB 8 GB
Memory typeGDDR6 GDDR6
Memory bus64 bit 128 bit
Bandwidth128 GB/s 224 GB/s
Shading units768 1792
Boost clock2321 MHz 2491 MHz
Power draw (TDP)53 W 132 W
Recommended PSU350 W 450 W
InterfacePCIe 4.0 x4 PCIe 4.0 x8
Launch price$159 $329

Popularity on DropReference

RX 6400

#64 / 71
Popularity score0.4/100
Share of builds Percentage of builds created by the DropReference community that use this GPU.0%

Number of builds created with this GPU

8

Average build price

$620

RX 6600

#21 / 71
Popularity score4.6/100
Share of builds Percentage of builds created by the DropReference community that use this GPU.1.9%

Number of builds created with this GPU

58

Average build price

$823

All models

Real-time prices and stock in your region

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Frequently asked questions

Which is the better graphics card, the RX 6400 or the RX 6600?

The RX 6600 is on average 17% faster than the RX 6400 at 1440p across our reference games. The RX 6400 is currently $15 cheaper ($275 vs $290). With 1.276 FPS/$, the RX 6600 offers the best price-to-performance ratio. The RX 6600 packs more video memory (8 GB vs 4 GB), an advantage for 4K and heavy textures.

Which card should you pick for 1440p gaming: RX 6400 or RX 6600?

At 1440p, the RX 6400 averages 290 FPS versus 340 FPS for the RX 6600 across our reference games.

What power supply do you need for the RX 6400?

A power supply of around 350 W is recommended for the RX 6400. On DropReference, the most used PSU with this card is the MSI MAG A650BN 650W 80 Plus Bronze Black.

What power supply do you need for the RX 6600?

A power supply of around 450 W is recommended for the RX 6600. On DropReference, the most used PSU with this card is the ASRock PRO-650B 650W 80 Plus Bronze ATX3.1.

Which CPU should you pair with the RX 6400?

In community builds, the CPU most often paired with the RX 6400 is the r5-3400g (3 builds).

Which CPU should you pair with the RX 6600?

In community builds, the CPU most often paired with the RX 6600 is the r5-5500 (17 builds).

How much does the RX 6400 cost right now?

The RX 6400 is available from $275. We track 1 models in real time.

How much does the RX 6600 cost right now?

The RX 6600 is available from $290. We track 8 models in real time.

AMD Radeon RX 6400

The AMD Radeon RX 6400 offers entry-level gaming performance with RDNA 2 architecture. Ideal for 1080p gaming with moderate settings, it features 4 GB of GDDR6 memory and excellent price-performance ratio for budget builds.

AMD Radeon RX 6600

The AMD Radeon RX 6600, equipped with RDNA 2 architecture, offers mid-range gaming performance with 8 GB of GDDR6 memory. Excellent for 1080p and 1440p gaming, it supports ray tracing and FidelityFX for optimized graphics.

Other comparisons

See all GPU comparisons