NVIDIA GeForce RTX 5080 vs NVIDIA GeForce 8400 GS PCI

VS

NVIDIA GeForce RTX 5080

NVIDIA GeForce 8400 GS PCI

We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 5080 and 512MB VRAM GeForce 8400 GS PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 5080 's Advantages

Released 17 years and 1 months late

Boost Clock2520MHz

More VRAM (16GB vs 512GB)

Larger VRAM bandwidth (973.8GB/s vs 5.328GB/s)

10744 additional rendering cores

NVIDIA GeForce 8400 GS PCI 's Advantages

Lower TDP (25W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 5080 +246218%

54.19 TFLOPS

GeForce 8400 GS PCI

0.022 TFLOPS

GeForce RTX 5080

VS

GeForce 8400 GS PCI

Graphics Card

Jan 2025

Release Date

Dec 2007

GeForce 50

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 5.0 x16

Bus Interface

PCI

Clock Speeds

2235 MHz

Base Clock

-

2520 MHz

Boost Clock

-

2400 MHz

Memory Clock

333 MHz

Memory

16GB

Memory Size

512MB

GDDR7

Memory Type

DDR2

256bit

Memory Bus

64bit

973.8GB/s

Bandwidth

5.328GB/s

Render Config

-

84

SM Count

1

10752

Shading Units

8

336

TMUs

4

128

ROPs

4

336

Tensor Cores

-

84

RT Cores

-

128 KB (per SM)

L1 Cache

-

64 MB

L2 Cache

16 KB

-

Theoretical Performance

322.6 GPixel/s

Pixel Rate

2.268 GPixel/s

846.7 GTexel/s

Texture Rate

2.268 GTexel/s

54.19 TFLOPS

FP16 (half)

-

54.19 TFLOPS

FP32 (float)

22.40 GFLOPS

846.7 GFLOPS

FP64 (double)

-

Board Design

350W

TDP

25W

750 W

Suggested PSU

200 W

1x HDMI 2.1 3x DisplayPort 2.1a

Outputs

1x S-Video 1x DMS-59

1x 16-pin

Power Connectors

None

Graphics Processor

GB203

GPU Name

G98

GB203-400-A1

GPU Variant

G98-400-U2

Blackwell 2.0

Architecture

Tesla

TSMC

Foundry

TSMC

0

Process Size

65 nm

Unknown

Transistors

0.21 billion

377 mm²

Die Size

86 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

10.1

CUDA

1.1

6.8

Shader Model

4.0

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