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

AMD Radeon RX 7900 GRE

16 GB GDDR6 | 256-bit

AMD Radeon RX 7900 GRE Logo
ASUS Dual Radeon RX 7900 GRE OC Edition 16GB GDDR6 Gaming Graphics Card (AMD Radeon RX7900 GRE, PCIe 4.0, 1x HDMI 2.1, 3X DisplayPort 2.1, DUAL-RX7900GRE-O16G)

Buy for 719.34 on Amazon

In Stock

Updated 141 minutes ago

vs

AMD Radeon RX 6400

4 GB GDDR6 | 64-bit

AMD Radeon RX 6400 Logo
XFX Speedster SWFT105 Radeon RX 6400 Gaming Graphics Card with 4GB GDDR6, AMD RDNA 2 RX-64XL4SFG2

Buy for 135.63 on Amazon

In Stock

Updated 141 minutes ago

FPS Winner

AMD Radeon RX 7900 GRE

16 GB GDDR6 | 256-bit

AMD Radeon RX 7900 GRE Logo
ASUS Dual Radeon RX 7900 GRE OC Edition 16GB GDDR6 Gaming Graphics Card (AMD Radeon RX7900 GRE, PCIe 4.0, 1x HDMI 2.1, 3X DisplayPort 2.1, DUAL-RX7900GRE-O16G)

Buy for 719.34 on Amazon

In Stock

Updated 141 minutes ago

vs

AMD Radeon RX 6400

4 GB GDDR6 | 64-bit

AMD Radeon RX 6400 Logo
XFX Speedster SWFT105 Radeon RX 6400 Gaming Graphics Card with 4GB GDDR6, AMD RDNA 2 RX-64XL4SFG2

Buy for 135.63 on Amazon

In Stock

Updated 141 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 AMD Radeon RX 7900 GRE

  • Performs up to 53% better in Dota 2 than Radeon RX 6400 - 264 vs 172 FPS
  • Up to 300% more VRAM memory than AMD Radeon RX 6400 - 16 vs 4 GB

Advantages of AMD Radeon RX 6400

  • Up to 81% cheaper than Radeon RX 7900 GRE - $122.19 vs $648.05
  • Up to 71% better value when playing Dota 2 than Radeon RX 7900 GRE - $0.79 vs $2.72 per FPS
  • Consumes up to 80% less energy than AMD Radeon RX 7900 GRE - 53 vs 260 Watts
This is a free version of Dota 2.
Dota 2

Dota 2

Resolution

1920 x 1080

Game Graphics

Best Looking

AMD Radeon RX 7900 GRE Logo
Radeon RX 7900 GRE

Desktop • Jul 27th, 2023


FPS

264

100%

Value, €/FPS

€2.72/FPS

29%

Price, €

€719.34

18%

FPS Winner

ASUS Dual Radeon RX 7900 GRE OC Edition 16GB GDDR6 Gaming Graphics Card (AMD Radeon RX7900 GRE, PCIe 4.0, 1x HDMI 2.1, 3X DisplayPort 2.1, DUAL-RX7900GRE-O16G)

Buy for 719.34 on Amazon

In Stock

Updated 141 minutes ago

AMD Radeon RX 6400 Logo
Radeon RX 6400

Desktop • Jan 19th, 2022


FPS

172

65%

Value, €/FPS

€0.79/FPS

100%

Price, €

€135.63

100%

Value Winner

XFX Speedster SWFT105 Radeon RX 6400 Gaming Graphics Card with 4GB GDDR6, AMD RDNA 2 RX-64XL4SFG2

Buy for 135.63 on Amazon

In Stock

Updated 141 minutes ago

TOP 5 Games

Resolution

1920 x 1080

Game Graphics

Best Looking

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

AMD Radeon RX 7900 GRE

vs
AMD Radeon RX 6400 Logo

AMD 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

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.