AMD Radeon Instinct MI8 vs NVIDIA Tesla K20X
We compared two Professional market GPUs: 4GB VRAM Radeon Instinct MI8 and 6GB VRAM Tesla K20X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon Instinct MI8 's Advantages
Released 4 years and 1 months late
Larger VRAM bandwidth (512.0GB/s vs 249.6GB/s)
1408 additional rendering cores
Lower TDP (175W vs 235W)
NVIDIA Tesla K20X 's Advantages
More VRAM (6GB vs 4GB)
Score
Benchmark
FP32 (float)
Radeon Instinct MI8
+108%
8.192 TFLOPS
Tesla K20X
3.935 TFLOPS
Graphics Card
Dec 2016
Release Date
Nov 2012
Radeon Instinct
Generation
Tesla
Professional
Type
Professional
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
-
-
-
-
-
500 MHz
Memory Clock
1300 MHz
Memory
4GB
Memory Size
6GB
HBM
Memory Type
GDDR5
4096bit
Memory Bus
384bit
512.0GB/s
Bandwidth
249.6GB/s
Render Config
64
Compute Units
-
-
-
-
4096
Shading Units
2688
256
TMUs
224
64
ROPs
48
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per SMX)
2 MB
L2 Cache
1536 KB
-
-
-
Theoretical Performance
64.00 GPixel/s
Pixel Rate
40.99 GPixel/s
256.0 GTexel/s
Texture Rate
164.0 GTexel/s
8.192 TFLOPS
FP16 (half)
-
8.192 TFLOPS
FP32 (float)
3.935 TFLOPS
512.0 GFLOPS
FP64 (double)
1312 GFLOPS
Board Design
175W
TDP
235W
450 W
Suggested PSU
550 W
No outputs
Outputs
No outputs
1x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
Fiji
GPU Name
GK110
Fiji XT CA
(215-0862120)
GPU Variant
-
GCN 3.0
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
8.9 billion
Transistors
7.08 billion
596 mm²
Die Size
561 mm²
Graphics Features
12 (12_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.1
OpenCL
3.0
1.2.170
Vulkan
1.1
-
CUDA
3.5
6.5
Shader Model
5.1
