NVIDIA GeForce 8400 GS PCI Rev. 2 vs AMD Radeon HD 6770

VS

NVIDIA GeForce 8400 GS PCI Rev. 2 AMD Radeon HD 6770

We compared two Desktop platform GPUs: 512MB VRAM GeForce 8400 GS PCI Rev. 2 and 1024MB VRAM Radeon HD 6770 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

Lower TDP (40W vs 108W)

AMD Radeon HD 6770 's Advantages

Released 3 years and 9 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (76.80GB/s vs 8.000GB/s)

784 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8400 GS PCI Rev. 2

0.039 TFLOPS

Radeon HD 6770 +3387%

1.36 TFLOPS

GeForce 8400 GS PCI Rev. 2

VS

Radeon HD 6770

Graphics Card

Apr 2007

Release Date

Jan 2011

GeForce 8

Generation

Northern Islands

Desktop

Type

Desktop

PCI

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

500 MHz

Memory Clock

1200 MHz

Memory

512MB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

8.000GB/s

Bandwidth

76.80GB/s

Render Config

2

SM Count

-

Compute Units

10

16

Shading Units

800

8

TMUs

40

4

ROPs

16

-

Tensor Cores

-

RT Cores

-

L1 Cache

8 KB (per CU)

32 KB

L2 Cache

256 KB

Theoretical Performance

2.080 GPixel/s

Pixel Rate

13.60 GPixel/s

4.160 GTexel/s

Texture Rate

34.00 GTexel/s

-

FP16 (half)

-

39.36 GFLOPS

FP32 (float)

1360 GFLOPS

-

FP64 (double)

-

Graphics Processor

GT218

GPU Name

Juniper

-

GPU Variant

Juniper XT (215-0754013)

Tesla 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.26 billion

Transistors

1.04 billion

57 mm²

Die Size

166 mm²

Board Design

40W

TDP

108W

200 W

Suggested PSU

300 W

1x DVI 1x HDMI 1x VGA

Outputs

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

None

Power Connectors

1x 6-pin

Graphics Features

11.1 (10_1)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

1.2

CUDA

-

4.1

Shader Model

5.0

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