NVIDIA A40 PCIe vs NVIDIA GeForce 9400 GT

VS

NVIDIA A40 PCIe

NVIDIA GeForce 9400 GT

We compared two Desktop platform GPUs: 48GB VRAM A40 PCIe and 128MB VRAM GeForce 9400 GT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A40 PCIe 's Advantages

Released 12 years and 2 months late

Boost Clock1740MHz

More VRAM (48GB vs 128GB)

Larger VRAM bandwidth (695.8GB/s vs 9.600GB/s)

10736 additional rendering cores

NVIDIA GeForce 9400 GT 's Advantages

Lower TDP (50W vs 300W)

Score

Benchmark

FP32 (float)

A40 PCIe +128934%

37.42 TFLOPS

GeForce 9400 GT

0.029 TFLOPS

A40 PCIe

VS

GeForce 9400 GT

Graphics Card

Oct 2020

Release Date

Aug 2008

Tesla

Generation

GeForce 9

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

600 MHz

Memory

48GB

Memory Size

128MB

GDDR6

Memory Type

DDR2

384bit

Memory Bus

64bit

695.8GB/s

Bandwidth

9.600GB/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

16 KB

-

Theoretical Performance

194.9 GPixel/s

Pixel Rate

1.836 GPixel/s

584.6 GTexel/s

Texture Rate

3.672 GTexel/s

37.42 TFLOPS

FP16 (half)

-

37.42 TFLOPS

FP32 (float)

29.38 GFLOPS

584.6 GFLOPS

FP64 (double)

-

Board Design

300W

TDP

50W

700 W

Suggested PSU

250 W

3x DisplayPort 1.4a

Outputs

1x DVI 1x VGA 1x S-Video

8-pin EPS

Power Connectors

None

Graphics Processor

GA102

GPU Name

G86

-

Ampere

Architecture

Tesla

Samsung

Foundry

TSMC

8 nm

Process Size

80 nm

28.3 billion

Transistors

0.21 billion

628 mm²

Die Size

127 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

1.3

Vulkan

N/A

8.6

CUDA

1.1

6.6

Shader Model

4.0

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