Home GPU Comparison NVIDIA GRID A100A vs NVIDIA Tesla K40st

NVIDIA GRID A100A vs NVIDIA Tesla K40st

We compared two Professional market GPUs: 48GB VRAM GRID A100A and 12GB VRAM Tesla K40st to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GRID A100A 's Advantages
Released 6 years and 6 months late
Boost Clock1005MHz
More VRAM (48GB vs 12GB)
Larger VRAM bandwidth (1866GB/s vs 288.4GB/s)
4032 additional rendering cores
NVIDIA Tesla K40st 's Advantages
Lower TDP (245W vs 400W)

Score

Benchmark

FP32 (float)
GRID A100A +319%
13.89 TFLOPS
Tesla K40st
3.312 TFLOPS
VS

Graphics Card

May 2020
Release Date
Nov 2013
GRID
Generation
Tesla
Professional
Type
Professional
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

900 MHz
Base Clock
-
1005 MHz
Boost Clock
-
1215 MHz
Memory Clock
1502 MHz

Memory

48GB
Memory Size
12GB
HBM2e
Memory Type
GDDR5
6144bit
Memory Bus
384bit
1866GB/s
Bandwidth
288.4GB/s

Render Config

-
-
-
108
SM Count
-
6912
Shading Units
2880
432
TMUs
240
192
ROPs
48
432
Tensor Cores
-
-
-
-
192 KB (per SM)
L1 Cache
16 KB (per SMX)
48 MB
L2 Cache
1536 KB
-
-
-

Theoretical Performance

193.0 GPixel/s
Pixel Rate
34.50 GPixel/s
434.2 GTexel/s
Texture Rate
138.0 GTexel/s
55.57 TFLOPS
FP16 (half)
-
13.89 TFLOPS
FP32 (float)
3.312 TFLOPS
6.947 TFLOPS
FP64 (double)
1104 GFLOPS

Board Design

400W
TDP
245W
800 W
Suggested PSU
550 W
No outputs
Outputs
No outputs
None
Power Connectors
-

Graphics Processor

GA100
GPU Name
GK110B
-
-
-
Ampere
Architecture
Kepler
TSMC
Foundry
TSMC
7 nm
Process Size
28 nm
54.2 billion
Transistors
7.08 billion
826 mm²
Die Size
561 mm²

Graphics Features

N/A
DirectX
12 (11_1)
N/A
OpenGL
4.6
3.0
OpenCL
3.0
N/A
Vulkan
1.1
8.0
CUDA
3.5
N/A
Shader Model
5.1

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