NVIDIA Tesla K20X vs AMD Radeon Instinct MI6
We compared two Professional market GPUs: 6GB VRAM Tesla K20X and 8GB VRAM Radeon Instinct MI6 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA Tesla K20X 's Advantages
Larger VRAM bandwidth (249.6GB/s vs 224.0GB/s)
384 additional rendering cores
AMD Radeon Instinct MI6 's Advantages
Released 4 years and 1 months late
Boost Clock1233MHz
More VRAM (8GB vs 6GB)
Lower TDP (150W vs 235W)
Score
Benchmark
FP32 (float)
Tesla K20X
3.935 TFLOPS
Radeon Instinct MI6
+44%
5.682 TFLOPS
Graphics Card
Nov 2012
Release Date
Dec 2016
Tesla
Generation
Radeon Instinct
Professional
Type
Professional
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
1120 MHz
-
Boost Clock
1233 MHz
1300 MHz
Memory Clock
1750 MHz
Memory
6GB
Memory Size
8GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
256bit
249.6GB/s
Bandwidth
224.0GB/s
Render Config
-
Compute Units
36
-
-
-
2688
Shading Units
2304
224
TMUs
144
48
ROPs
32
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per CU)
1536 KB
L2 Cache
2 MB
-
-
-
Theoretical Performance
40.99 GPixel/s
Pixel Rate
39.46 GPixel/s
164.0 GTexel/s
Texture Rate
177.6 GTexel/s
-
FP16 (half)
5.682 TFLOPS
3.935 TFLOPS
FP32 (float)
5.682 TFLOPS
1312 GFLOPS
FP64 (double)
355.1 GFLOPS
Board Design
235W
TDP
150W
550 W
Suggested PSU
450 W
No outputs
Outputs
No outputs
1x 6-pin + 1x 8-pin
Power Connectors
1x 6-pin
Graphics Processor
GK110
GPU Name
Ellesmere
-
GPU Variant
Ellesmere XT
Kepler
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
28 nm
Process Size
14 nm
7.08 billion
Transistors
5.7 billion
561 mm²
Die Size
232 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
3.5
CUDA
-
5.1
Shader Model
6.4
