Tesla K20s vs Radeon Instinct MI8
We compared two Professional market GPUs: 5GB VRAM Tesla K20s and 4GB VRAM Radeon Instinct MI8 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Tesla K20s 's Advantages
More VRAM (5GB vs 4GB)
Radeon Instinct MI8 's Advantages
Released 3 years and 10 months late
Larger VRAM bandwidth (512.0GB/s vs 208.0GB/s)
1600 additional rendering cores
Lower TDP (175W vs 225W)
Score
Benchmark
FP32 (float)
Tesla K20s
2870
Radeon Instinct MI8
+185%
8192
Graphics Card
Feb 2013
Release Date
Dec 2016
Tesla
Generation
Radeon Instinct
Professional
Type
Professional
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1300 MHz
Memory Clock
500 MHz
Memory
5GB
Memory Size
4GB
GDDR5
Memory Type
HBM
320bit
Memory Bus
4096bit
208.0GB/s
Bandwidth
512.0GB/s
Render Config
-
Compute Units
64
2496
Shading Units
4096
208
TMUs
256
40
ROPs
64
16 KB (per SMX)
L1 Cache
16 KB (per CU)
1280 KB
L2 Cache
2 MB
Theoretical Performance
29.90 GPixel/s
Pixel Rate
64.00 GPixel/s
119.6 GTexel/s
Texture Rate
256.0 GTexel/s
-
FP16 (half)
8.192 TFLOPS
2.870 TFLOPS
FP32 (float)
8.192 TFLOPS
956.8 GFLOPS
FP64 (double)
512.0 GFLOPS
Board Design
225W
TDP
175W
550 W
Suggested PSU
450 W
No outputs
Outputs
No outputs
-
Power Connectors
1x 8-pin
Graphics Processor
GK110
GPU Name
Fiji
-
GPU Variant
Fiji XT CA
(215-0862120)
Kepler
Architecture
GCN 3.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
7.08 billion
Transistors
8.9 billion
561 mm²
Die Size
596 mm²
Graphics Features
12 (11_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.1
Vulkan
1.2.170
3.5
CUDA
-
5.1
Shader Model
6.5
