AMD Radeon Instinct MI250X vs NVIDIA Tesla K20X
We compared two Professional market GPUs: 128GB VRAM Radeon Instinct MI250X 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 MI250X 's Advantages
Released 9 years late
Boost Clock1700MHz
More VRAM (128GB vs 6GB)
Larger VRAM bandwidth (3277GB/s vs 249.6GB/s)
11392 additional rendering cores
NVIDIA Tesla K20X 's Advantages
Lower TDP (235W vs 500W)
Score
Benchmark
FP32 (float)
Radeon Instinct MI250X
+1116%
47.87 TFLOPS
Tesla K20X
3.935 TFLOPS
Graphics Card
Nov 2021
Release Date
Nov 2012
Radeon Instinct
Generation
Tesla
Professional
Type
Professional
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1000 MHz
Base Clock
-
1700 MHz
Boost Clock
-
1600 MHz
Memory Clock
1300 MHz
Memory
128GB
Memory Size
6GB
HBM2e
Memory Type
GDDR5
8192bit
Memory Bus
384bit
3277GB/s
Bandwidth
249.6GB/s
Render Config
220
Compute Units
-
-
-
-
14080
Shading Units
2688
880
TMUs
224
0
ROPs
48
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per SMX)
16 MB
L2 Cache
1536 KB
-
-
-
Theoretical Performance
0 MPixel/s
Pixel Rate
40.99 GPixel/s
1496 GTexel/s
Texture Rate
164.0 GTexel/s
383.0 TFLOPS
FP16 (half)
-
47.87 TFLOPS
FP32 (float)
3.935 TFLOPS
47.87 TFLOPS
FP64 (double)
1312 GFLOPS
Board Design
500W
TDP
235W
900 W
Suggested PSU
550 W
No outputs
Outputs
No outputs
2x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
Aldebaran
GPU Name
GK110
Aldebaran XT
GPU Variant
-
CDNA 2.0
Architecture
Kepler
TSMC
Foundry
TSMC
6 nm
Process Size
28 nm
58.2 billion
Transistors
7.08 billion
Unknown
Die Size
561 mm²
Graphics Features
N/A
DirectX
12 (11_0)
N/A
OpenGL
4.6
3.0
OpenCL
3.0
N/A
Vulkan
1.1
-
CUDA
3.5
N/A
Shader Model
5.1
