NVIDIA A40 PCIe vs NVIDIA GeForce GT 620 OEM

VS

NVIDIA A40 PCIe

NVIDIA GeForce GT 620 OEM

We compared two Desktop platform GPUs: 48GB VRAM A40 PCIe and 512MB VRAM GeForce GT 620 OEM 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 6 months late

Boost Clock1740MHz

More VRAM (48GB vs 512GB)

Larger VRAM bandwidth (695.8GB/s vs 14.37GB/s)

10704 additional rendering cores

NVIDIA GeForce GT 620 OEM 's Advantages

Lower TDP (30W vs 300W)

Score

Benchmark

FP32 (float)

A40 PCIe +23887%

37.42 TFLOPS

GeForce GT 620 OEM

0.156 TFLOPS

A40 PCIe

VS

GeForce GT 620 OEM

Graphics Card

Oct 2020

Release Date

Apr 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

898 MHz

Memory

48GB

Memory Size

512MB

GDDR6

Memory Type

DDR3

384bit

Memory Bus

64bit

695.8GB/s

Bandwidth

14.37GB/s

Render Config

-

84

SM Count

1

10752

Shading Units

48

336

TMUs

8

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

1.620 GPixel/s

584.6 GTexel/s

Texture Rate

6.480 GTexel/s

37.42 TFLOPS

FP16 (half)

-

37.42 TFLOPS

FP32 (float)

155.5 GFLOPS

584.6 GFLOPS

FP64 (double)

12.96 GFLOPS

Board Design

300W

TDP

30W

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 Processor

GA102

GPU Name

GF119

-

Ampere

Architecture

Fermi 2.0

Samsung

Foundry

TSMC

8 nm

Process Size

40 nm

28.3 billion

Transistors

0.292 billion

628 mm²

Die Size

79 mm²

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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