NVIDIA A40 PCIe vs NVIDIA GeForce 8400 GS PCI Rev. 2

VS

NVIDIA A40 PCIe NVIDIA GeForce 8400 GS PCI Rev. 2

We compared two Desktop platform GPUs: 48GB VRAM A40 PCIe and 512MB VRAM GeForce 8400 GS PCI Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A40 PCIe 's Advantages

Released 13 years and 6 months late

Boost Clock1740MHz

Larger VRAM bandwidth (695.8GB/s vs 8.000GB/s)

10736 additional rendering cores

NVIDIA GeForce 8400 GS PCI Rev. 2 's Advantages

Lower TDP (40W vs 300W)

Score

Benchmark

FP32 (float)

A40 PCIe +95848%

37.42 TFLOPS

GeForce 8400 GS PCI Rev. 2

0.039 TFLOPS

A40 PCIe

VS

GeForce 8400 GS PCI Rev. 2

Graphics Card

Oct 2020

Release Date

Apr 2007

Tesla

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCI

Clock Speeds

1305 MHz

Base Clock

-

1740 MHz

Boost Clock

-

1812 MHz

Memory Clock

500 MHz

Memory

48GB

Memory Size

512MB

GDDR6

Memory Type

DDR3

384bit

Memory Bus

64bit

695.8GB/s

Bandwidth

8.000GB/s

Render Config

84

SM Count

2

-

Compute Units

-

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

2.080 GPixel/s

584.6 GTexel/s

Texture Rate

4.160 GTexel/s

37.42 TFLOPS

FP16 (half)

-

37.42 TFLOPS

FP32 (float)

39.36 GFLOPS

584.6 GFLOPS

FP64 (double)

-

Graphics Processor

GA102

GPU Name

GT218

-

GPU Variant

-

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

Board Design

300W

TDP

40W

700 W

Suggested PSU

200 W

3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1x VGA

8-pin EPS

Power Connectors

None

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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