NVIDIA A40 PCIe vs NVIDIA GeForce 405 OEM

VS

NVIDIA A40 PCIe

NVIDIA GeForce 405 OEM

We compared two Desktop platform GPUs: 48GB VRAM A40 PCIe and 512MB VRAM GeForce 405 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A40 PCIe 's Advantages

Released 10 years and 1 months late

Boost Clock1740MHz

More VRAM (48GB vs 512GB)

Larger VRAM bandwidth (695.8GB/s vs 12.64GB/s)

10736 additional rendering cores

NVIDIA GeForce 405 OEM 's Advantages

Lower TDP (25W vs 300W)

Score

Benchmark

FP32 (float)

A40 PCIe +83055%

37.42 TFLOPS

GeForce 405 OEM

0.045 TFLOPS

A40 PCIe

VS

GeForce 405 OEM

Graphics Card

Oct 2020

Release Date

Sep 2010

Tesla

Generation

GeForce 400

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

790 MHz

Memory

48GB

Memory Size

512MB

GDDR6

Memory Type

DDR3

384bit

Memory Bus

64bit

695.8GB/s

Bandwidth

12.64GB/s

Render Config

-

84

SM Count

2

10752

Shading Units

16

336

TMUs

8

112

ROPs

4

336

Tensor Cores

-

84

RT Cores

-

128 KB (per SM)

L1 Cache

-

6 MB

L2 Cache

32 KB

-

Theoretical Performance

194.9 GPixel/s

Pixel Rate

2.356 GPixel/s

584.6 GTexel/s

Texture Rate

4.712 GTexel/s

37.42 TFLOPS

FP16 (half)

-

37.42 TFLOPS

FP32 (float)

44.86 GFLOPS

584.6 GFLOPS

FP64 (double)

-

Board Design

300W

TDP

25W

700 W

Suggested PSU

200 W

3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1x VGA

8-pin EPS

Power Connectors

None

Graphics Processor

GA102

GPU Name

GT218

-

GPU Variant

GT218-300-B1

Ampere

Architecture

Tesla 2.0

Samsung

Foundry

TSMC

8 nm

Process Size

40 nm

28.3 billion

Transistors

0.26 billion

628 mm²

Die Size

57 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

1.3

Vulkan

N/A

8.6

CUDA

1.2

6.6

Shader Model

4.1

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