AMD Radeon 680M vs NVIDIA A40 PCIe
GPU · Specs Compare
Graphics Card
Release Date
Jan 2022
Oct 2020
Generation
Navi II IGP
Tesla
Type
Integrated
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 4.0 x16
Clock Speeds
Base Clock
2000 MHz
1305 MHz
Boost Clock
2200 MHz
1740 MHz
Memory Clock
System Shared
1812 MHz
Memory
Memory Size
System Shared
48GB
Memory Type
System Shared
GDDR6
Memory Bus
System Shared
384bit
Bandwidth
System Dependent
695.8GB/s
Render Config
Compute Units
12
—
Shading Units
768
10752
TMUs
48
336
ROPs
32
112
RT Cores
12
84
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
2 MB
6 MB
SM Count
—
84
Tensor Cores
—
336
Theoretical Performance
Pixel Rate
70.40 GPixel/s
194.9 GPixel/s
Texture Rate
105.6 GTexel/s
584.6 GTexel/s
FP16 (half)
6.758 TFLOPS
37.42 TFLOPS
FP32 (float)
3.379 TFLOPS
37.42 TFLOPS
FP64 (double)
211.2 GFLOPS
584.6 GFLOPS
Graphics Processor
GPU Name
Rembrandt
GA102
Architecture
RDNA 2.0
Ampere
Foundry
TSMC
Samsung
Process Size
6 nm
8 nm
Transistors
13.1 billion
28.3 billion
Die Size
208 mm²
628 mm²
Board Design
TDP
50W
300W
Outputs
Portable Device Dependent
3x DisplayPort 1.4a
Power Connectors
None
8-pin EPS
Suggested PSU
—
700 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.0
3.0
Vulkan
1.3
1.3
Shader Model
6.7
6.6
CUDA
—
8.6
▲ Specs Compare
Data sourced from official specifications and benchmark tests.