AMD Radeon 680M vs AMD Radeon HD 6950
GPU · Specs Compare
Graphics Card
Release Date
Jan 2022
Dec 2010
Generation
Navi II IGP
Northern Islands
Type
Integrated
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 2.0 x16
Clock Speeds
Base Clock
2000 MHz
—
Boost Clock
2200 MHz
—
Memory Clock
System Shared
1250 MHz
Memory
Memory Size
System Shared
2GB
Memory Type
System Shared
GDDR5
Memory Bus
System Shared
256bit
Bandwidth
System Dependent
160.0GB/s
Render Config
Compute Units
12
22
Shading Units
768
1408
TMUs
48
88
ROPs
32
32
RT Cores
12
—
L1 Cache
128 KB per Array
8 KB (per CU)
L2 Cache
2 MB
512 KB
Theoretical Performance
Pixel Rate
70.40 GPixel/s
25.60 GPixel/s
Texture Rate
105.6 GTexel/s
70.40 GTexel/s
FP16 (half)
6.758 TFLOPS
—
FP32 (float)
3.379 TFLOPS
2.253 TFLOPS
FP64 (double)
211.2 GFLOPS
563.2 GFLOPS
Graphics Processor
GPU Name
Rembrandt
Cayman
Architecture
RDNA 2.0
TeraScale 3
Foundry
TSMC
TSMC
Process Size
6 nm
40 nm
Transistors
13.1 billion
2.64 billion
Die Size
208 mm²
389 mm²
GPU Variant
—
Cayman PRO(215-0807019)
Board Design
TDP
50W
200W
Outputs
Portable Device Dependent
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
None
2x 6-pin
Suggested PSU
—
550 W
Graphics Features
DirectX
12 Ultimate (12_2)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
2.0
1.2
Vulkan
1.3
N/A
Shader Model
6.7
5.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.