AMD Radeon HD 6970 vs AMD Radeon RX 7400
GPU · Specs Compare
Graphics Card
Release Date
Dec 2010
Aug 2025
Generation
Northern Islands
Navi III
Type
Desktop
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 4.0 x8
Clock Speeds
Memory Clock
1375 MHz
2250 MHz
Base Clock
—
1452 MHz
Boost Clock
—
2300 MHz
Memory
Memory Size
2GB
8GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
128bit
Bandwidth
176.0GB/s
288.0GB/s
Render Config
Compute Units
24
28
Shading Units
1536
1792
TMUs
96
112
ROPs
32
64
L1 Cache
8 KB (per CU)
128 KB per Array
L2 Cache
512 KB
2 MB
RT Cores
—
28
L3 Cache
—
64 MB
Theoretical Performance
Pixel Rate
28.16 GPixel/s
147.2 GPixel/s
Texture Rate
84.48 GTexel/s
257.6 GTexel/s
FP32 (float)
2.703 TFLOPS
16.49 TFLOPS
FP64 (double)
675.8 GFLOPS
515.2 GFLOPS
FP16 (half)
—
32.97 TFLOPS
Graphics Processor
GPU Name
Cayman
Navi 33
GPU Variant
Cayman XT(215-0807007)
Navi 33
Architecture
TeraScale 3
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
40 nm
6 nm
Transistors
2.64 billion
13.3 billion
Die Size
389 mm²
204 mm²
Board Design
TDP
250W
43W
Suggested PSU
600 W
200 W
Outputs
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x HDMI 2.1a3x DisplayPort 2.1
Power Connectors
1x 6-pin + 1x 8-pin
1x 6-pin
Graphics Features
DirectX
11.2 (11_0)
12 Ultimate (12_2)
OpenGL
4.4
4.6
OpenCL
1.2
2.2
Vulkan
N/A
1.3
Shader Model
5.0
6.8
▲ Specs Compare
Data sourced from official specifications and benchmark tests.