AMD Radeon HD 7970 X2 vs AMD Radeon RX 7400
GPU · Specs Compare
Graphics Card
Release Date
Aug 2012
Aug 2025
Generation
Southern Islands
Navi III
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8
Clock Speeds
Memory Clock
1375 MHz
2250 MHz
Base Clock
—
1452 MHz
Boost Clock
—
2300 MHz
Memory
Memory Size
3GB
8GB
Memory Type
GDDR5
GDDR6
Memory Bus
384bit
128bit
Bandwidth
264.0GB/s
288.0GB/s
Render Config
Compute Units
32
28
Shading Units
2048
1792
TMUs
128
112
ROPs
32
64
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
768 KB
2 MB
RT Cores
—
28
L3 Cache
—
64 MB
Theoretical Performance
Pixel Rate
29.60 GPixel/s
147.2 GPixel/s
Texture Rate
118.4 GTexel/s
257.6 GTexel/s
FP32 (float)
3.789 TFLOPS
16.49 TFLOPS
FP64 (double)
947.2 GFLOPS
515.2 GFLOPS
FP16 (half)
—
32.97 TFLOPS
Graphics Processor
GPU Name
New Zealand
Navi 33
Architecture
GCN 1.0
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
6 nm
Transistors
4.313 billion
13.3 billion
Die Size
352 mm²
204 mm²
GPU Variant
—
Navi 33
Board Design
TDP
500W
43W
Suggested PSU
900 W
200 W
Outputs
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x HDMI 2.1a3x DisplayPort 2.1
Power Connectors
3x 8-pin
1x 6-pin
Graphics Features
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
1.2
2.2
Vulkan
1.2
1.3
Shader Model
5.1
6.8
▲ Specs Compare
Data sourced from official specifications and benchmark tests.