NVIDIA GeForce 8400 SE vs NVIDIA GeForce 7800 GTX 512

VS

NVIDIA GeForce 8400 SE NVIDIA GeForce 7800 GTX 512

We compared two Desktop platform GPUs: 128MB VRAM GeForce 8400 SE 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 SE 's Advantages

Released 2 years and 9 months late

16 additional rendering cores

Lower TDP (50W vs 108W)

NVIDIA GeForce 7800 GTX 512 's Advantages

More VRAM (512GB vs 128GB)

Larger VRAM bandwidth (51.20GB/s vs 6.400GB/s)

Score

GeForce 8400 SE

VS

GeForce 7800 GTX 512

Graphics Card

Aug 2008

Release Date

Nov 2005

GeForce 8

Generation

GeForce 7 PCIe

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

400 MHz

Memory Clock

800 MHz

Memory

128MB

Memory Size

512MB

DDR2

Memory Type

GDDR3

64bit

Memory Bus

256bit

6.400GB/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

-

16 KB

L2 Cache

-

Theoretical Performance

1.836 GPixel/s

Pixel Rate

8.000 GPixel/s

3.672 GTexel/s

Texture Rate

12.00 GTexel/s

-

FP16 (half)

-

29.38 GFLOPS

FP32 (float)

-

FP64 (double)

-

Graphics Processor

G86

GPU Name

G70

-

GPU Variant

GF-7800-GTX-512-A2

Tesla

Architecture

Curie

TSMC

Foundry

TSMC

80 nm

Process Size

110 nm

0.21 billion

Transistors

0.302 billion

127 mm²

Die Size

333 mm²

Board Design

50W

TDP

108W

250 W

Suggested PSU

300 W

1x DVI 1x VGA 1x S-Video

Outputs

2x DVI 1x S-Video

None

Power Connectors

-

Graphics Features

11.1 (10_0)

DirectX

9.0c (9_3)

3.3

OpenGL

2.1

1.1

OpenCL

N/A

Vulkan

N/A

1.1

CUDA

-

4.0

Shader Model

3.0

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