AMD Radeon RX 6400 vs AMD Radeon RX 7900 GRE

FPS benchmarks across 139 games (reference CPU: r9-9950x3D2), live prices, popularity and community builds.

AMD

RX 6400

RDNA 2 · 4 GB GDDR6

#60 / 69

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

$231

FPS / €

1.255

See the cheapest model See all 9 models

AMD

RX 7900 GRE

RDNA 3 · 16 GB GDDR6

#61 / 69

Overall score Relative gaming performance score, based on the average FPS measured across our benchmarked games. 100 = the fastest card in our catalog.74/100

Lowest price

$1,145

FPS / €

0.431

See the cheapest model See all 8 models

Our verdict

The RX 7900 GRE is on average 68% faster than the RX 6400 at 1440p across our reference games.
The RX 6400 is currently $914 cheaper ($231 vs $1,145).
With 1.255 FPS per euro, the RX 6400 offers the best price-to-performance ratio.
The RX 7900 GRE packs more video memory (16 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 7900 GRE

Counter-Strike 2

+20%

311 FPS

1% low 186

374 FPS

1% low 226

Apex Legends

+102%

143 FPS

1% low 103

289 FPS

1% low 196

Grand Theft Auto V

+187%

39 FPS

1% low 28

112 FPS

1% low 83

Red Dead Redemption 2

+127%

74 FPS

1% low 52

168 FPS

1% low 117

Cyberpunk 2077

+352%

21 FPS

1% low 16

95 FPS

1% low 74

Rocket League

+47%

559 FPS

1% low 226

821 FPS

1% low 359

Call of Duty: Black Ops 6

+210%

49 FPS

1% low 35

152 FPS

1% low 117

Crimson Desert

+127%

62 FPS

1% low 44

141 FPS

1% low 98

FPS / €

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

RX 6400

1.255

RX 7900 GRE

0.431

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

Specifications

	RX 6400	RX 7900 GRE
Architecture	RDNA 2	RDNA 3
Release date	2022-01	2024-02
Video memory	4 GB	16 GB
Memory type	GDDR6	GDDR6
Memory bus	64 bit	256 bit
Bandwidth	128 GB/s	576 GB/s
Shading units	768	5120
Boost clock	2321 MHz	2245 MHz
Power draw (TDP)	53 W	260 W
Recommended PSU	350 W	700 W
Interface	PCIe 4.0 x4	PCIe 4.0 x16
Launch price	$159	$549

Popularity on DropReference

RX 6400

#60 / 69

Popularity score0.7/100

Share of builds Percentage of builds created by the DropReference community that use this GPU.0%

Number of builds created with this GPU

Average build price

$620

Most paired CPUs

Most used power supply

MSI MAG A650BN 650W 80 Plus Bronze Black

650 W · $60

Latest builds

Unnamed build

Unnamed build

RX 7900 GRE

#61 / 69

Popularity score0.6/100

Share of builds Percentage of builds created by the DropReference community that use this GPU.0%

Number of builds created with this GPU

Average build price

$1,569

Most paired CPUs

Most used power supply

MSI A750GL PCIE5 750W 80 Plus Gold Fully Modular Black

750 W · $99

Latest builds

Unnamed build

Unnamed build

Unnamed build

All models

Real-time prices and stock in your region

RX 6400

9 models tracked

XFX Speedster SWFT105 RX 6400 4GB GDDR6 Black$231

See all models in stock

RX 7900 GRE

8 models tracked

PowerColor Fighter OC Radeon RX 7900 GRE 16GB GDDR6$1,145

See all models in stock

Frequently asked questions

Which is the better graphics card, the RX 6400 or the RX 7900 GRE?

The RX 7900 GRE is on average 68% faster than the RX 6400 at 1440p across our reference games. The RX 6400 is currently $914 cheaper ($231 vs $1,145). With 1.255 FPS per euro, the RX 6400 offers the best price-to-performance ratio. The RX 7900 GRE packs more video memory (16 GB vs 4 GB), an advantage for 4K and heavy textures.

Which card should you pick for 1440p gaming: RX 6400 or RX 7900 GRE?

At 1440p, the RX 6400 averages 270 FPS versus 453 FPS for the RX 7900 GRE 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 7900 GRE?

A power supply of around 700 W is recommended for the RX 7900 GRE. On DropReference, the most used PSU with this card is the MSI A750GL PCIE5 750W 80 Plus Gold Fully Modular Black.

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 7900 GRE?

In community builds, the CPU most often paired with the RX 7900 GRE is the r7-5700x (3 builds).

How much does the RX 6400 cost right now?

The RX 6400 is available from $231. We track 9 models in real time.

How much does the RX 7900 GRE cost right now?

The RX 7900 GRE is available from $1,145. 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 7900 GRE

The AMD Radeon RX 7900 GRE, with RDNA 3 architecture, offers ultra high-end gaming performance with 16 GB of GDDR6 memory. A specially optimized version, it excels at 4K and provides excellent performance-to-price ratio for its category.