NVIDIA GeForce 8400 GS PCI Rev. 2 vs NVIDIA GeForce 7800 GTX 512

VS

NVIDIA GeForce 8400 GS PCI Rev. 2 NVIDIA GeForce 7800 GTX 512

We compared two Desktop platform GPUs: 512MB VRAM GeForce 8400 GS PCI Rev. 2 and 512MB VRAM GeForce 7800 GTX 512 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8400 GS PCI Rev. 2 's Advantages

Released 1 years and 5 months late

16 additional rendering cores

Lower TDP (40W vs 108W)

NVIDIA GeForce 7800 GTX 512 's Advantages

Larger VRAM bandwidth (51.20GB/s vs 8.000GB/s)

Score

GeForce 8400 GS PCI Rev. 2

VS

GeForce 7800 GTX 512

Graphics Card

Apr 2007

Release Date

Nov 2005

GeForce 8

Generation

GeForce 7 PCIe

Desktop

Type

Desktop

PCI

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

500 MHz

Memory Clock

800 MHz

Memory

512MB

Memory Size

512MB

DDR3

Memory Type

GDDR3

64bit

Memory Bus

256bit

8.000GB/s

Bandwidth

51.20GB/s

Render Config

2

SM Count

-

Compute Units

-

16

Shading Units

-

8

TMUs

24

4

ROPs

16

-

Tensor Cores

-

RT Cores

-

L1 Cache

-

32 KB

L2 Cache

-

Theoretical Performance

2.080 GPixel/s

Pixel Rate

8.000 GPixel/s

4.160 GTexel/s

Texture Rate

12.00 GTexel/s

-

FP16 (half)

-

39.36 GFLOPS

FP32 (float)

-

FP64 (double)

-

Graphics Processor

GT218

GPU Name

G70

-

GPU Variant

GF-7800-GTX-512-A2

Tesla 2.0

Architecture

Curie

TSMC

Foundry

TSMC

40 nm

Process Size

110 nm

0.26 billion

Transistors

0.302 billion

57 mm²

Die Size

333 mm²

Board Design

40W

TDP

108W

200 W

Suggested PSU

300 W

1x DVI 1x HDMI 1x VGA

Outputs

2x DVI 1x S-Video

None

Power Connectors

-

Graphics Features

11.1 (10_1)

DirectX

9.0c (9_3)

3.3

OpenGL

2.1

1.1

OpenCL

N/A

Vulkan

N/A

1.2

CUDA

-

4.1

Shader Model

3.0

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