AMD Radeon HD 7970 X2 vs AMD Radeon RX 6600
GPU · Specs Compare
Graphics Card
Release Date
Aug 2012
Oct 2021
Generation
Southern Islands
Navi II
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8
Clock Speeds
Memory Clock
1375 MHz
1750 MHz
Base Clock
—
1626 MHz
Boost Clock
—
2491 MHz
Memory
Memory Size
3GB
8GB
Memory Type
GDDR5
GDDR6
Memory Bus
384bit
128bit
Bandwidth
264.0GB/s
224.0GB/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
—
32 MB
Theoretical Performance
Pixel Rate
29.60 GPixel/s
159.4 GPixel/s
Texture Rate
118.4 GTexel/s
279.0 GTexel/s
FP32 (float)
3.789 TFLOPS
8.928 TFLOPS
FP64 (double)
947.2 GFLOPS
558.0 GFLOPS
FP16 (half)
—
17.86 TFLOPS
Graphics Processor
GPU Name
New Zealand
Navi 23
Architecture
GCN 1.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
4.313 billion
11.06 billion
Die Size
352 mm²
237 mm²
GPU Variant
—
Navi 23 XL(215-130000016)
Board Design
TDP
500W
132W
Suggested PSU
900 W
300 W
Outputs
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
3x 8-pin
1x 8-pin
Graphics Features
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
1.2
2.1
Vulkan
1.2
1.3
Shader Model
5.1
6.5
▲ Specs Compare
Data sourced from official specifications and benchmark tests.