Background
Background
Background
Background
Background

Radeon RX 7900 GRE vs Radeon RX 6400

Radeon RX 7900 GRE vs Radeon RX 6400: game performance, price, value, and specification comparison. Select comparison game parameters.

FPS Winner

Radeon RX 7900 GRE

16 GB GDDR6 | 256-bit

AMD Radeon RX 7900 GRE Logo
XFX Speedster MERC 310 Radeon RX 7900 GRE 16GB GDDR6 RX-79GMERCB9

Buy for 623 on Amazon

In Stock

Updated 387 minutes ago

vs

Radeon RX 6400

4 GB GDDR6 | 64-bit

AMD Radeon RX 6400 Logo
XFX Speedster SWFT105 Radeon RX 6400 Gaming Grafikkarte mit 4GB GDDR6, AMD RDNA™ 2 (RX-64XL4SFG2)

Buy for 140 on Amazon

In Stock

Updated 386 minutes ago

FPS Winner

Radeon RX 7900 GRE

16 GB GDDR6 | 256-bit

AMD Radeon RX 7900 GRE Logo
XFX Speedster MERC 310 Radeon RX 7900 GRE 16GB GDDR6 RX-79GMERCB9

Buy for 623 on Amazon

In Stock

Updated 387 minutes ago

vs

Radeon RX 6400

4 GB GDDR6 | 64-bit

AMD Radeon RX 6400 Logo
XFX Speedster SWFT105 Radeon RX 6400 Gaming Grafikkarte mit 4GB GDDR6, AMD RDNA™ 2 (RX-64XL4SFG2)

Buy for 140 on Amazon

In Stock

Updated 386 minutes ago

Key Differences

In short — Radeon RX 7900 GRE outperforms the cheaper Radeon RX 6400 on the selected game parameters. However, the worse performing Radeon RX 6400 is a better bang for your buck. The better performing Radeon RX 7900 GRE is 554 days newer than the cheaper Radeon RX 6400.

Advantages of Radeon RX 7900 GRE

  • Performs up to 167% better in Immortals of Aveum than Radeon RX 6400 - 72 vs 27 FPS
  • Up to 300% more VRAM memory than AMD Radeon RX 6400 - 16 vs 4 GB

Advantages of Radeon RX 6400

  • Up to 78% cheaper than Radeon RX 7900 GRE - €140.00 vs €623.00
  • Up to 40% better value when playing Immortals of Aveum than Radeon RX 7900 GRE - €5.19 vs €8.65 per FPS
  • Consumes up to 80% less energy than AMD Radeon RX 7900 GRE - 53 vs 260 Watts
Calculator background
This is a free version of Immortals of Aveum.
Immortals of Aveum

Immortals of Aveum

Resolution

1920 x 1080

Game Graphics

Ultra

AMD Radeon RX 7900 GRE Logo
Radeon RX 7900 GRE

Desktop • Jul 27th, 2023


FPS

72

100%

Value, €/FPS

€8.65/FPS

60%

Price, €

€623

22%

FPS Winner

XFX Speedster MERC 310 Radeon RX 7900 GRE 16GB GDDR6 RX-79GMERCB9

Buy for 623 on Amazon

In Stock

Updated 387 minutes ago

AMD Radeon RX 6400 Logo
Radeon RX 6400

Desktop • Jan 19th, 2022


FPS

27

38%

Value, €/FPS

€5.19/FPS

100%

Price, €

€140

100%

Value Winner

XFX Speedster SWFT105 Radeon RX 6400 Gaming Grafikkarte mit 4GB GDDR6, AMD RDNA™ 2 (RX-64XL4SFG2)

Buy for 140 on Amazon

In Stock

Updated 386 minutes ago

Trending Games

With selected game settings

Resolution

1920 x 1080

Game Graphics

Ultra

AMD Radeon RX 7900 GRE Logo
Radeon RX 7900 GRE

Desktop • Jul 27th, 2023

AMD Radeon RX 6400 Logo
Radeon RX 6400

Desktop • Jan 19th, 2022

Theoretical Performance

AMD Radeon RX 7900 GRE Logo
Radeon RX 7900 GRE

Desktop • Jul 27th, 2023


Pixel Fillrate

431 GPixel/s

100%

Texel Fillrate

718.4 GTexel/s

100%

AMD Radeon RX 6400 Logo
Radeon RX 6400

Desktop • Jan 19th, 2022


Pixel Fillrate

74.27 GPixel/s

17%

Texel Fillrate

111.4 GTexel/s

16%

AMD Radeon RX 7900 GRE Logo

Radeon RX 7900 GRE

vs
AMD Radeon RX 6400 Logo

Radeon RX 6400

Jul 27th, 2023
Release DateJan 19th, 2022
Navi IIIGenerationNavi II
Not AvailableMSRP$159
1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-COutputs1x HDMI 2.1, 1x DisplayPort 1.4a
2x 8-pinPower ConnectorsNone
Desktop
Segment
Desktop
16 GB
Memory4 GB
GDDR6TypeGDDR6
256-bitBus64-bit
576 GB/s
Bandwidth128 GB/s
1500 MHzBase Clock Speed
1923 MHz
2245 MHzBoost Clock Speed
2321 MHz
2250 MHz
Memory Clock Speed2000 MHz

PC Builds Using Radeon RX 7900 GRE or Radeon RX 6400

With selected game settings

Similar GPU Comparisons

Select from the most popular similar graphics card comparisons. Most compared graphics card combinations, including the currently selected ones, are at the top.

Copyright © 2025 HowManyFPS. All rights reserved.

Have a suggestion or a business inquiry? [email protected]

Cookies Policy

As an Amazon Associate HowManyFPS earns from qualifying purchases.