AMD Radeon HD 6750 vs NVIDIA GeForce 8400 GS PCI Rev. 2

VS

AMD Radeon HD 6750

NVIDIA GeForce 8400 GS PCI Rev. 2

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6750 and 512MB VRAM GeForce 8400 GS PCI Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6750 's Advantages

Released 3 years and 9 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (73.60GB/s vs 8.000GB/s)

704 additional rendering cores

NVIDIA GeForce 8400 GS PCI Rev. 2 's Advantages

Lower TDP (40W vs 86W)

Score

Benchmark

FP32 (float)

Radeon HD 6750 +2484%

1.008 TFLOPS

GeForce 8400 GS PCI Rev. 2

0.039 TFLOPS

Radeon HD 6750

VS

GeForce 8400 GS PCI Rev. 2

Graphics Card

Jan 2011

Release Date

Apr 2007

Northern Islands

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCI

Clock Speeds

-

1150 MHz

Memory Clock

500 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

73.60GB/s

Bandwidth

8.000GB/s

Render Config

9

Compute Units

-

SM Count

2

720

Shading Units

16

36

TMUs

8

16

ROPs

4

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

32 KB

-

Theoretical Performance

11.20 GPixel/s

Pixel Rate

2.080 GPixel/s

25.20 GTexel/s

Texture Rate

4.160 GTexel/s

-

1008 GFLOPS

FP32 (float)

39.36 GFLOPS

-

Board Design

86W

TDP

40W

250 W

Suggested PSU

200 W

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

Outputs

1x DVI 1x HDMI 1x VGA

1x 6-pin

Power Connectors

None

Graphics Processor

Juniper

GPU Name

GT218

Juniper LE (215-0754009)

GPU Variant

-

TeraScale 2

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.04 billion

Transistors

0.26 billion

166 mm²

Die Size

57 mm²

Graphics Features

11.2 (11_0)

DirectX

11.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.2

5.0

Shader Model

4.1

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