AMD Radeon 680M vs AMD Radeon Vega 8
GPU · Specs Compare
Graphics Card
Release Date
Jan 2022
Jan 2021
Generation
Navi II IGP
Cezanne
Type
Integrated
Integrated
Bus Interface
PCIe 4.0 x8
IGP
Clock Speeds
Base Clock
2000 MHz
300 MHz
Boost Clock
2200 MHz
2000 MHz
Memory Clock
System Shared
System Shared
Memory
Memory Size
System Shared
System Shared
Memory Type
System Shared
System Shared
Memory Bus
System Shared
System Shared
Bandwidth
System Dependent
System Dependent
Render Config
Compute Units
12
8
Shading Units
768
512
TMUs
48
32
ROPs
32
8
RT Cores
12
—
L1 Cache
128 KB per Array
—
L2 Cache
2 MB
—
Theoretical Performance
Pixel Rate
70.40 GPixel/s
16.00 GPixel/s
Texture Rate
105.6 GTexel/s
64.00 GTexel/s
FP16 (half)
6.758 TFLOPS
4.096 TFLOPS
FP32 (float)
3.379 TFLOPS
2.048 TFLOPS
FP64 (double)
211.2 GFLOPS
128.0 GFLOPS
Graphics Processor
GPU Name
Rembrandt
Cezanne
Architecture
RDNA 2.0
GCN 5.1
Foundry
TSMC
TSMC
Process Size
6 nm
7 nm
Transistors
13.1 billion
9.8 billion
Die Size
208 mm²
156 mm²
Board Design
TDP
50W
45W
Outputs
Portable Device Dependent
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.0
2.1
Vulkan
1.3
1.2
Shader Model
6.7
6.4
Benchmark
3DMark Time Spy
—
893
3DMark Time Spy Extreme
—
423
▲ Specs Compare
Data sourced from official specifications and benchmark tests.