NVIDIA GeForce RTX 4080 vs NVIDIA GeForce 8400

VS

NVIDIA GeForce RTX 4080 NVIDIA GeForce 8400

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

Main Differences

NVIDIA GeForce RTX 4080 's Advantages

Released 14 years and 9 months late

Boost Clock2505MHz

Larger VRAM bandwidth (716.8GB/s vs 8.000GB/s)

9720 additional rendering cores

NVIDIA GeForce 8400 's Advantages

Lower TDP (25W vs 320W)

Score

Benchmark

FP32 (float)

GeForce RTX 4080 +231995%

48.74 TFLOPS

GeForce 8400

0.021 TFLOPS

GeForce RTX 4080

VS

GeForce 8400

Graphics Card

Sep 2022

Release Date

Dec 2007

GeForce 40

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2205 MHz

Base Clock

-

2505 MHz

Boost Clock

-

1400 MHz

Memory Clock

500 MHz

Memory

16GB

Memory Size

256MB

GDDR6X

Memory Type

DDR2

256bit

Memory Bus

64bit

716.8GB/s

Bandwidth

8.000GB/s

Render Config

76

SM Count

1

-

Compute Units

-

9728

Shading Units

8

304

TMUs

4

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

2.160 GPixel/s

761.5 GTexel/s

Texture Rate

2.160 GTexel/s

48.74 TFLOPS

FP16 (half)

-

48.74 TFLOPS

FP32 (float)

20.80 GFLOPS

761.5 GFLOPS

FP64 (double)

-

Graphics Processor

AD103

GPU Name

G98

AD103-300-A1

GPU Variant

-

Ada Lovelace

Architecture

Tesla

TSMC

Foundry

TSMC

5 nm

Process Size

65 nm

45.9 billion

Transistors

0.21 billion

379 mm²

Die Size

86 mm²

Board Design

320W

TDP

25W

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 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

6.7

Shader Model

4.0

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