NVIDIA Tesla K20m vs NVIDIA GRID A100B
We compared two Professional market GPUs: 5GB VRAM Tesla K20m and 48GB VRAM GRID A100B to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA Tesla K20m 's Advantages
Lower TDP (225W vs 400W)
NVIDIA GRID A100B 's Advantages
Released 7 years and 4 months late
Boost Clock1005MHz
More VRAM (48GB vs 5GB)
Larger VRAM bandwidth (1866GB/s vs 208.0GB/s)
4416 additional rendering cores
Score
Benchmark
FP32 (float)
Tesla K20m
3.524 TFLOPS
GRID A100B
+294%
13.89 TFLOPS
Graphics Card
Jan 2013
Release Date
May 2020
Tesla
Generation
GRID
Professional
Type
Professional
PCIe 2.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
900 MHz
-
Boost Clock
1005 MHz
1300 MHz
Memory Clock
1215 MHz
Memory
5GB
Memory Size
48GB
GDDR5
Memory Type
HBM2e
320bit
Memory Bus
6144bit
208.0GB/s
Bandwidth
1866GB/s
Render Config
-
-
-
-
SM Count
108
2496
Shading Units
6912
208
TMUs
432
40
ROPs
192
-
Tensor Cores
432
-
-
-
16 KB (per SMX)
L1 Cache
192 KB (per SM)
1280 KB
L2 Cache
48 MB
-
-
-
Theoretical Performance
36.71 GPixel/s
Pixel Rate
193.0 GPixel/s
146.8 GTexel/s
Texture Rate
434.2 GTexel/s
-
FP16 (half)
55.57 TFLOPS
3.524 TFLOPS
FP32 (float)
13.89 TFLOPS
1175 GFLOPS
FP64 (double)
6.947 TFLOPS
Board Design
225W
TDP
400W
550 W
Suggested PSU
800 W
No outputs
Outputs
No outputs
1x 6-pin + 1x 8-pin
Power Connectors
None
Graphics Processor
GK110
GPU Name
GA100
-
-
-
Kepler
Architecture
Ampere
TSMC
Foundry
TSMC
28 nm
Process Size
7 nm
7.08 billion
Transistors
54.2 billion
561 mm²
Die Size
826 mm²
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
8.0
5.1
Shader Model
N/A
