ATI Radeon HD 5770 X2 vs NVIDIA GeForce 8400 GS Rev. 2

VS

ATI Radeon HD 5770 X2

NVIDIA GeForce 8400 GS Rev. 2

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5770 X2 and 512MB VRAM GeForce 8400 GS Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5770 X2 's Advantages

Released 2 years and 10 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (76.80GB/s vs 6.400GB/s)

792 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 5770 X2 +6081%

1.36 TFLOPS

GeForce 8400 GS Rev. 2

0.022 TFLOPS

Radeon HD 5770 X2

VS

GeForce 8400 GS Rev. 2

Graphics Card

Oct 2010

Release Date

Dec 2007

Evergreen

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

400 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

64bit

76.80GB/s

Bandwidth

6.400GB/s

Render Config

10

Compute Units

-

SM Count

1

800

Shading Units

8

40

TMUs

4

16

ROPs

4

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

16 KB

-

Theoretical Performance

13.60 GPixel/s

Pixel Rate

2.268 GPixel/s

34.00 GTexel/s

Texture Rate

2.268 GTexel/s

-

1360 GFLOPS

FP32 (float)

22.40 GFLOPS

-

Board Design

Unknown

TDP

25W

200 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x VGA 1x S-Video

-

Power Connectors

None

Graphics Processor

Juniper

GPU Name

G98

Juniper XT (215-0754013)

GPU Variant

-

TeraScale 2

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

65 nm

1.04 billion

Transistors

0.21 billion

166 mm²

Die Size

86 mm²

Graphics Features

11.2 (11_0)

DirectX

11.1 (10_0)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.1

5.0

Shader Model

4.0

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