NVIDIA Tesla K20m vs AMD Radeon Instinct MI8
GPU Specs Compare
Graphics Card
Release Date
Jan 2013
Dec 2016
Generation
Tesla
Radeon Instinct
Type
Professional
Professional
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1300 MHz
500 MHz
Memory
Memory Size
5GB
4GB
Memory Type
GDDR5
HBM
Memory Bus
320bit
4096bit
Bandwidth
208.0GB/s
512.0GB/s
Render Config
Shading Units
2496
4096
TMUs
208
256
ROPs
40
64
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
1280 KB
2 MB
Compute Units
-
64
Theoretical Performance
Pixel Rate
36.71 GPixel/s
64.00 GPixel/s
Texture Rate
146.8 GTexel/s
256.0 GTexel/s
FP32 (float)
3.524 TFLOPS
8.192 TFLOPS
FP64 (double)
1175 GFLOPS
512.0 GFLOPS
FP16 (half)
-
8.192 TFLOPS
Graphics Processor
GPU Name
GK110
Fiji
Architecture
Kepler
GCN 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
7.08 billion
8.9 billion
Die Size
561 mm²
596 mm²
GPU Variant
-
Fiji XT CA(215-0862120)
Board Design
TDP
225W
175W
Suggested PSU
550 W
450 W
Outputs
No outputs
No outputs
Power Connectors
1x 6-pin + 1x 8-pin
1x 8-pin
Graphics Features
DirectX
12 (11_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.1
1.2.170
CUDA
3.5
-
Shader Model
5.1
6.5