NVIDIA A40 PCIe vs NVIDIA GeForce GT 620

VS

We compared two Desktop platform GPUs: 48GB VRAM A40 PCIe and 1024MB VRAM GeForce GT 620 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A40 PCIe 's Advantages

Released 8 years and 5 months late

Boost Clock1740MHz

More VRAM (48GB vs 1GB)

Larger VRAM bandwidth (695.8GB/s vs 14.40GB/s)

10656 additional rendering cores

NVIDIA GeForce GT 620 's Advantages

Lower TDP (49W vs 300W)

Score

Benchmark

FP32 (float)

A40 PCIe +13810%

37.42 TFLOPS

GeForce GT 620

0.269 TFLOPS

A40 PCIe

VS

GeForce GT 620

Graphics Card

Oct 2020

Release Date

May 2012

Tesla

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1305 MHz

Base Clock

-

1740 MHz

Boost Clock

-

1812 MHz

Memory Clock

900 MHz

Memory

48GB

Memory Size

1024MB

GDDR6

Memory Type

DDR3

384bit

Memory Bus

64bit

695.8GB/s

Bandwidth

14.40GB/s

Render Config

84

SM Count

2

-

Compute Units

-

10752

Shading Units

96

336

TMUs

16

112

ROPs

4

336

Tensor Cores

-

84

RT Cores

-

128 KB (per SM)

L1 Cache

64 KB (per SM)

6 MB

L2 Cache

128 KB

Theoretical Performance

194.9 GPixel/s

Pixel Rate

2.800 GPixel/s

584.6 GTexel/s

Texture Rate

11.20 GTexel/s

37.42 TFLOPS

FP16 (half)

-

37.42 TFLOPS

FP32 (float)

268.8 GFLOPS

584.6 GFLOPS

FP64 (double)

22.40 GFLOPS

Graphics Processor

GA102

GPU Name

GF108

-

GPU Variant

GF108-100-KB-A1

Ampere

Architecture

Fermi

Samsung

Foundry

TSMC

8 nm

Process Size

40 nm

28.3 billion

Transistors

0.585 billion

628 mm²

Die Size

116 mm²

Board Design

300W

TDP

49W

700 W

Suggested PSU

200 W

3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

8-pin EPS

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

1.3

Vulkan

N/A

8.6

CUDA

2.1

6.6

Shader Model

5.1

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