NVIDIA Tesla K20c vs AMD Radeon Instinct MI250
We compared two Professional market GPUs: 5GB VRAM Tesla K20c and 128GB VRAM Radeon Instinct MI250 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA Tesla K20c 's Advantages
Lower TDP (225W vs 500W)
AMD Radeon Instinct MI250 's Advantages
Released 9 years late
Boost Clock1700MHz
More VRAM (128GB vs 5GB)
Larger VRAM bandwidth (3277GB/s vs 208.0GB/s)
10816 additional rendering cores
Score
Benchmark
FP32 (float)
Tesla K20c
3.524 TFLOPS
Radeon Instinct MI250
+1184%
45.26 TFLOPS
Graphics Card
Nov 2012
Release Date
Nov 2021
Tesla
Generation
Radeon Instinct
Professional
Type
Professional
PCIe 2.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
1000 MHz
-
Boost Clock
1700 MHz
1300 MHz
Memory Clock
1600 MHz
Memory
5GB
Memory Size
128GB
GDDR5
Memory Type
HBM2e
320bit
Memory Bus
8192bit
208.0GB/s
Bandwidth
3277GB/s
Render Config
-
Compute Units
208
-
-
-
2496
Shading Units
13312
208
TMUs
832
40
ROPs
0
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per CU)
1280 KB
L2 Cache
16 MB
-
-
-
Theoretical Performance
36.71 GPixel/s
Pixel Rate
0 MPixel/s
146.8 GTexel/s
Texture Rate
1414 GTexel/s
-
FP16 (half)
362.1 TFLOPS
3.524 TFLOPS
FP32 (float)
45.26 TFLOPS
1175 GFLOPS
FP64 (double)
45.26 TFLOPS
Board Design
225W
TDP
500W
550 W
Suggested PSU
900 W
No outputs
Outputs
No outputs
1x 6-pin + 1x 8-pin
Power Connectors
2x 8-pin
Graphics Processor
GK110
GPU Name
Aldebaran
GK110-885-KA-A1
GPU Variant
Aldebaran
Kepler
Architecture
CDNA 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
6 nm
7.08 billion
Transistors
58.2 billion
561 mm²
Die Size
Unknown
Graphics Features
12 (11_0)
DirectX
N/A
4.6
OpenGL
N/A
3.0
OpenCL
3.0
1.1
Vulkan
N/A
3.5
CUDA
-
5.1
Shader Model
N/A
