AMD Radeon RX 6600M vs AMD Radeon HD 7970M
GPU · Specs Compare
Graphics Card
Release Date
May 2021
Apr 2012
Generation
Mobility Radeon
London
Type
Mobile
Mobile
Bus Interface
PCIe 4.0 x8
MXM-B (3.0)
Clock Speeds
Base Clock
2068 MHz
—
Boost Clock
2416 MHz
—
Memory Clock
1750 MHz
1200 MHz
Memory
Memory Size
8GB
2GB
Memory Type
GDDR6
GDDR5
Memory Bus
128bit
256bit
Bandwidth
224.0GB/s
153.6GB/s
Render Config
Compute Units
28
20
Shading Units
1792
1280
TMUs
112
80
ROPs
64
32
RT Cores
28
—
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
2 MB
512 KB
L3 Cache
32 MB
—
Theoretical Performance
Pixel Rate
154.6 GPixel/s
27.20 GPixel/s
Texture Rate
270.6 GTexel/s
68.00 GTexel/s
FP16 (half)
17.32 TFLOPS
—
FP32 (float)
8.659 TFLOPS
2.176 TFLOPS
FP64 (double)
541.2 GFLOPS
136.0 GFLOPS
Graphics Processor
GPU Name
Navi 23
Wimbledon
Architecture
RDNA 2.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
7 nm
28 nm
Transistors
11.06 billion
2.8 billion
Die Size
237 mm²
212 mm²
GPU Variant
—
Wimbledon XT(216-0836036)
Board Design
TDP
100W
100W
Outputs
No outputs
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.1
1.2
Vulkan
1.3
1.2
Shader Model
6.5
5.1
▲ Specs Compare
Data sourced from official specifications and benchmark tests.