NVIDIA GeForce RTX 4080 16 GB vs NVIDIA GeForce 8400 GS

VS

NVIDIA GeForce RTX 4080 16 GB

NVIDIA GeForce 8400 GS

We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 4080 16 GB and 256MB VRAM GeForce 8400 GS to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4080 16 GB 's Advantages

Released 15 years and 5 months late

Boost Clock2505MHz

More VRAM (16GB vs 256GB)

Larger VRAM bandwidth (716.8GB/s vs 6.400GB/s)

9712 additional rendering cores

NVIDIA GeForce 8400 GS 's Advantages

Lower TDP (40W vs 320W)

Score

Benchmark

FP32 (float)

GeForce RTX 4080 16 GB +167968%

48.74 TFLOPS

GeForce 8400 GS

0.029 TFLOPS

GeForce RTX 4080 16 GB

VS

GeForce 8400 GS

Graphics Card

Sep 2022

Release Date

Apr 2007

GeForce 40

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

2205 MHz

Base Clock

-

2505 MHz

Boost Clock

-

1400 MHz

Memory Clock

400 MHz

Memory

16GB

Memory Size

256MB

GDDR6X

Memory Type

DDR2

256bit

Memory Bus

64bit

716.8GB/s

Bandwidth

6.400GB/s

Render Config

-

76

SM Count

2

9728

Shading Units

16

304

TMUs

8

112

ROPs

4

304

Tensor Cores

-

76

RT Cores

-

128 KB (per SM)

L1 Cache

-

64 MB

L2 Cache

16 KB

-

Theoretical Performance

280.6 GPixel/s

Pixel Rate

1.836 GPixel/s

761.5 GTexel/s

Texture Rate

3.672 GTexel/s

48.74 TFLOPS

FP16 (half)

-

48.74 TFLOPS

FP32 (float)

29.38 GFLOPS

761.5 GFLOPS

FP64 (double)

-

Board Design

320W

TDP

40W

700 W

Suggested PSU

200 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x VGA 1x S-Video

1x 16-pin

Power Connectors

None

Graphics Processor

AD103

GPU Name

G86

AD103-300-A1

GPU Variant

G86-213-A2

Ada Lovelace

Architecture

Tesla

TSMC

Foundry

TSMC

4 nm

Process Size

80 nm

45.9 billion

Transistors

0.21 billion

379 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

8.9

CUDA

1.1

6.6

Shader Model

4.0

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