NVIDIA GRID A100B vs NVIDIA GRID K120Q

VS

NVIDIA GRID A100B

NVIDIA GRID K120Q

We compared two Professional market GPUs: 48GB VRAM GRID A100B and 512MB VRAM GRID K120Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GRID A100B 's Advantages

Released 5 years and 10 months late

Boost Clock1005MHz

More VRAM (48GB vs 512GB)

Larger VRAM bandwidth (1866GB/s vs 28.51GB/s)

6720 additional rendering cores

NVIDIA GRID K120Q 's Advantages

Lower TDP (130W vs 400W)

Score

Benchmark

FP32 (float)

GRID A100B +4160%

13.89 TFLOPS

GRID K120Q

0.326 TFLOPS

GRID A100B

VS

GRID K120Q

Graphics Card

May 2020

Release Date

Jul 2014

GRID

Generation

GRID

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

891 MHz

Memory

48GB

Memory Size

512MB

HBM2e

Memory Type

DDR3

6144bit

Memory Bus

128bit

1866GB/s

Bandwidth

28.51GB/s

Render Config

-

108

SM Count

-

6912

Shading Units

192

432

TMUs

16

192

ROPs

16

432

Tensor Cores

-

192 KB (per SM)

L1 Cache

16 KB (per SMX)

48 MB

L2 Cache

256 KB

-

Theoretical Performance

193.0 GPixel/s

Pixel Rate

3.400 GPixel/s

434.2 GTexel/s

Texture Rate

13.60 GTexel/s

55.57 TFLOPS

FP16 (half)

-

13.89 TFLOPS

FP32 (float)

326.4 GFLOPS

6.947 TFLOPS

FP64 (double)

13.60 GFLOPS

Board Design

400W

TDP

130W

800 W

Suggested PSU

300 W

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GA100

GPU Name

GK107

-

Ampere

Architecture

Kepler

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

54.2 billion

Transistors

1.27 billion

826 mm²

Die Size

118 mm²

Graphics Features

N/A

DirectX

12 (11_0)

N/A

OpenGL

4.6

3.0

OpenCL

3.0

N/A

Vulkan

1.1

8.0

CUDA

3.0

N/A

Shader Model

5.1

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