NVIDIA GeForce 8400 vs NVIDIA GeForce 7950 GT AGP

VS

NVIDIA GeForce 8400

NVIDIA GeForce 7950 GT AGP

We compared two Desktop platform GPUs: 256MB VRAM GeForce 8400 and 512MB VRAM GeForce 7950 GT AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8400 's Advantages

Released 8 months late

8 additional rendering cores

Lower TDP (25W vs 65W)

NVIDIA GeForce 7950 GT AGP 's Advantages

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (38.40GB/s vs 8.000GB/s)

Score

GeForce 8400

VS

GeForce 7950 GT AGP

Graphics Card

Dec 2007

Release Date

Apr 2007

GeForce 8

Generation

GeForce 7 AGP

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

AGP 8x

Clock Speeds

-

500 MHz

Memory Clock

600 MHz

Memory

256MB

Memory Size

512MB

DDR2

Memory Type

GDDR3

64bit

Memory Bus

256bit

8.000GB/s

Bandwidth

38.40GB/s

Render Config

-

1

SM Count

-

8

Shading Units

-

4

TMUs

24

4

ROPs

16

-

16 KB

L2 Cache

-

Theoretical Performance

2.160 GPixel/s

Pixel Rate

8.000 GPixel/s

2.160 GTexel/s

Texture Rate

12.00 GTexel/s

-

20.80 GFLOPS

FP32 (float)

-

Board Design

25W

TDP

65W

200 W

Suggested PSU

250 W

1x DVI 1x VGA 1x S-Video

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x Molex

Graphics Processor

G98

GPU Name

G71

-

GPU Variant

G71-GT2-H-N-A2

Tesla

Architecture

Curie

TSMC

Foundry

TSMC

65 nm

Process Size

90 nm

0.21 billion

Transistors

0.278 billion

86 mm²

Die Size

196 mm²

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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