AMD Radeon RX 7400 vs AMD Radeon RX 7900 XT
GPU · Specs Compare
Graphics Card
Release Date
Aug 2025
Nov 2022
Generation
Navi III
Navi III
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 4.0 x16
Clock Speeds
Base Clock
1452 MHz
1387 MHz
Boost Clock
2300 MHz
2394 MHz
Memory Clock
2250 MHz
2500 MHz
Memory
Memory Size
8GB
20GB
Memory Type
GDDR6
GDDR6
Memory Bus
128bit
320bit
Bandwidth
288.0GB/s
800.0GB/s
Render Config
Compute Units
28
84
Shading Units
1792
5376
TMUs
112
336
ROPs
64
192
RT Cores
28
84
L1 Cache
128 KB per Array
256 KB per Array
L2 Cache
2 MB
6 MB
L3 Cache
64 MB
80 MB
Theoretical Performance
Pixel Rate
147.2 GPixel/s
459.6 GPixel/s
Texture Rate
257.6 GTexel/s
804.4 GTexel/s
FP16 (half)
32.97 TFLOPS
103.0 TFLOPS
FP32 (float)
16.49 TFLOPS
51.48 TFLOPS
FP64 (double)
515.2 GFLOPS
1.609 TFLOPS
Graphics Processor
GPU Name
Navi 33
Navi 31
GPU Variant
Navi 33
Navi 31 XT(215-145000156)
Architecture
RDNA 3.0
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
6 nm
5 nm
Transistors
13.3 billion
57.7 billion
Die Size
204 mm²
529 mm²
Board Design
TDP
43W
300W
Suggested PSU
200 W
700 W
Outputs
1x HDMI 2.1a3x DisplayPort 2.1
1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C
Power Connectors
1x 6-pin
2x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.2
2.2
Vulkan
1.3
1.3
Shader Model
6.8
6.8
Benchmark
3DMark Time Spy
—
26,829
3DMark Time Spy Extreme
—
13,130
3DMark Speed Way
—
5,364
▲ Specs Compare
Data sourced from official specifications and benchmark tests.