AMD Radeon RX 7400 vs AMD Radeon RX 6900 XTX
GPU · Specs Compare
Graphics Card
Release Date
Aug 2025
Unknown
Generation
Navi III
Navi II
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 4.0 x16
Clock Speeds
Base Clock
1452 MHz
2075 MHz
Boost Clock
2300 MHz
2435 MHz
Memory Clock
2250 MHz
2250 MHz
Memory
Memory Size
8GB
16GB
Memory Type
GDDR6
GDDR6
Memory Bus
128bit
256bit
Bandwidth
288.0GB/s
576.0GB/s
Render Config
Compute Units
28
80
Shading Units
1792
5120
TMUs
112
320
ROPs
64
128
RT Cores
28
80
L1 Cache
128 KB per Array
128 KB per Array
L2 Cache
2 MB
4 MB
L3 Cache
64 MB
128 MB
Theoretical Performance
Pixel Rate
147.2 GPixel/s
311.7 GPixel/s
Texture Rate
257.6 GTexel/s
779.2 GTexel/s
FP16 (half)
32.97 TFLOPS
49.87 TFLOPS
FP32 (float)
16.49 TFLOPS
24.93 TFLOPS
FP64 (double)
515.2 GFLOPS
1.558 TFLOPS
Graphics Processor
GPU Name
Navi 33
Navi 21
GPU Variant
Navi 33
Navi 21 XTXH(215-121000247)
Architecture
RDNA 3.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
6 nm
7 nm
Transistors
13.3 billion
26.8 billion
Die Size
204 mm²
520 mm²
Board Design
TDP
43W
330W
Suggested PSU
200 W
700 W
Outputs
1x HDMI 2.1a3x DisplayPort 2.1
1x HDMI 2.12x DisplayPort 1.4a1x 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
2.1
Vulkan
1.3
1.3
Shader Model
6.8
6.5
▲ Specs Compare
Data sourced from official specifications and benchmark tests.