ATI Radeon HD 4770 vs NVIDIA GeForce 8400 SE

VS

ATI Radeon HD 4770

NVIDIA GeForce 8400 SE

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4770 and 128MB VRAM GeForce 8400 SE to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4770 's Advantages

Released 8 months late

More VRAM (512GB vs 128GB)

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

624 additional rendering cores

NVIDIA GeForce 8400 SE 's Advantages

Lower TDP (50W vs 80W)

Score

Benchmark

FP32 (float)

Radeon HD 4770 +3210%

0.96 TFLOPS

GeForce 8400 SE

0.029 TFLOPS

Radeon HD 4770

VS

GeForce 8400 SE

Graphics Card

Apr 2009

Release Date

Aug 2008

Radeon R700

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

800 MHz

Memory Clock

400 MHz

Memory

512MB

Memory Size

128MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

64bit

51.20GB/s

Bandwidth

6.400GB/s

Render Config

8

Compute Units

-

SM Count

2

640

Shading Units

16

32

TMUs

8

16

ROPs

4

-

16 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

16 KB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

1.836 GPixel/s

24.00 GTexel/s

Texture Rate

3.672 GTexel/s

-

960.0 GFLOPS

FP32 (float)

29.38 GFLOPS

192.0 GFLOPS

FP64 (double)

-

Board Design

80W

TDP

50W

250 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

1x DVI 1x VGA 1x S-Video

1x 6-pin

Power Connectors

None

Graphics Processor

RV740

GPU Name

G86S

RV740 XT (215-0727019)

GPU Variant

-

TeraScale

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

80 nm

0.826 billion

Transistors

0.21 billion

137 mm²

Die Size

127 mm²

Graphics Features

10.1 (10_1)

DirectX

11.1 (10_0)

3.3

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.1

4.1

Shader Model

4.0

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