NVIDIA GeForce 8400 GS PCI Rev. 2 vs ATI Radeon HD 4770

VS

NVIDIA GeForce 8400 GS PCI Rev. 2 ATI Radeon HD 4770

We compared two Desktop platform GPUs: 512MB VRAM GeForce 8400 GS PCI Rev. 2 and 512MB VRAM Radeon HD 4770 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 80W)

ATI Radeon HD 4770 's Advantages

Released 2 years late

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

624 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8400 GS PCI Rev. 2

0.039 TFLOPS

Radeon HD 4770 +2361%

0.96 TFLOPS

GeForce 8400 GS PCI Rev. 2

VS

Radeon HD 4770

Graphics Card

Apr 2007

Release Date

Apr 2009

GeForce 8

Generation

Radeon R700

Desktop

Type

Desktop

PCI

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

500 MHz

Memory Clock

800 MHz

Memory

512MB

Memory Size

512MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

8.000GB/s

Bandwidth

51.20GB/s

Render Config

2

SM Count

-

Compute Units

8

16

Shading Units

640

8

TMUs

32

4

ROPs

16

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per CU)

32 KB

L2 Cache

128 KB

Theoretical Performance

2.080 GPixel/s

Pixel Rate

12.00 GPixel/s

4.160 GTexel/s

Texture Rate

24.00 GTexel/s

-

FP16 (half)

-

39.36 GFLOPS

FP32 (float)

960.0 GFLOPS

-

FP64 (double)

192.0 GFLOPS

Graphics Processor

GT218

GPU Name

RV740

-

GPU Variant

RV740 XT (215-0727019)

Tesla 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.26 billion

Transistors

0.826 billion

57 mm²

Die Size

137 mm²

Board Design

40W

TDP

80W

200 W

Suggested PSU

250 W

1x DVI 1x HDMI 1x VGA

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin

Graphics Features

11.1 (10_1)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

1.2

CUDA

-

4.1

Shader Model

4.1

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