AMD Radeon 680M vs AMD Radeon HD 7970M
GPU Specs Compare
Graphics Card
Release Date
Jan 2022
Apr 2012
Generation
Navi II IGP
London
Type
Integrated
Mobile
Bus Interface
PCIe 4.0 x8
MXM-B (3.0)
Clock Speeds
Base Clock
2000 MHz
-
Boost Clock
2200 MHz
-
Memory Clock
System Shared
1200 MHz
Memory
Memory Size
System Shared
2GB
Memory Type
System Shared
GDDR5
Memory Bus
System Shared
256bit
Bandwidth
System Dependent
153.6GB/s
Render Config
Compute Units
12
20
Shading Units
768
1280
TMUs
48
80
ROPs
32
32
RT Cores
12
-
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
2 MB
512 KB
Theoretical Performance
Pixel Rate
70.40 GPixel/s
27.20 GPixel/s
Texture Rate
105.6 GTexel/s
68.00 GTexel/s
FP16 (half)
6.758 TFLOPS
-
FP32 (float)
3.379 TFLOPS
2.176 TFLOPS
FP64 (double)
211.2 GFLOPS
136.0 GFLOPS
Graphics Processor
GPU Name
Rembrandt
Wimbledon
Architecture
RDNA 2.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
6 nm
28 nm
Transistors
13.1 billion
2.8 billion
Die Size
208 mm²
212 mm²
GPU Variant
-
Wimbledon XT(216-0836036)
Board Design
TDP
50W
100W
Outputs
Portable Device Dependent
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.0
1.2
Vulkan
1.3
1.2
Shader Model
6.7
5.1