NVIDIA RTX A400 vs NVIDIA GeForce 8400 SE

VS

We compared two Desktop platform GPUs: 4GB VRAM RTX A400 and 128MB VRAM GeForce 8400 SE to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A400 's Advantages

Released 15 years and 8 months late

Boost Clock1762MHz

Larger VRAM bandwidth (96.00GB/s vs 6.400GB/s)

752 additional rendering cores

Score

Benchmark

FP32 (float)

RTX A400 +9231%

2.706 TFLOPS

GeForce 8400 SE

0.029 TFLOPS

RTX A400

VS

GeForce 8400 SE

Graphics Card

Apr 2024

Release Date

Aug 2008

Quadro Ampere

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

727 MHz

Base Clock

-

1762 MHz

Boost Clock

-

1500 MHz

Memory Clock

400 MHz

Memory

4GB

Memory Size

128MB

GDDR6

Memory Type

DDR2

64bit

Memory Bus

64bit

96.00GB/s

Bandwidth

6.400GB/s

Render Config

6

SM Count

2

-

Compute Units

-

768

Shading Units

16

24

TMUs

8

16

ROPs

4

24

Tensor Cores

-

6

RT Cores

-

128 KB (per SM)

L1 Cache

-

2 MB

L2 Cache

16 KB

Theoretical Performance

28.19 GPixel/s

Pixel Rate

1.836 GPixel/s

42.29 GTexel/s

Texture Rate

3.672 GTexel/s

2.706 TFLOPS

FP16 (half)

-

2.706 TFLOPS

FP32 (float)

29.38 GFLOPS

42.29 GFLOPS

FP64 (double)

-

Graphics Processor

GA107

GPU Name

G86

-

GPU Variant

-

Ampere

Architecture

Tesla

Samsung

Foundry

TSMC

8 nm

Process Size

80 nm

8.7 billion

Transistors

0.21 billion

200 mm²

Die Size

127 mm²

Board Design

50W

TDP

50W

250 W

Suggested PSU

250 W

4x mini-DisplayPort 1.4a

Outputs

1x DVI 1x VGA 1x S-Video

None

Power Connectors

None

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

6.7

Shader Model

4.0

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