NVIDIA GeForce 8400 GS Rev. 3 vs AMD Radeon HD 8770 OEM

VS

NVIDIA GeForce 8400 GS Rev. 3

AMD Radeon HD 8770 OEM

We compared two Desktop platform GPUs: 512MB VRAM GeForce 8400 GS Rev. 3 and 1024MB VRAM Radeon HD 8770 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8400 GS Rev. 3 's Advantages

Lower TDP (25W vs 85W)

AMD Radeon HD 8770 OEM 's Advantages

Released 3 years and 2 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (96.00GB/s vs 6.400GB/s)

888 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8400 GS Rev. 3

0.02 TFLOPS

Radeon HD 8770 OEM +9310%

1.882 TFLOPS

GeForce 8400 GS Rev. 3

VS

Radeon HD 8770 OEM

Graphics Card

Jul 2010

Release Date

Sep 2013

GeForce 8

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

400 MHz

Memory Clock

1500 MHz

Memory

512MB

Memory Size

1024MB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

128bit

6.400GB/s

Bandwidth

96.00GB/s

Render Config

-

Compute Units

14

1

SM Count

-

8

Shading Units

896

4

TMUs

56

4

ROPs

16

-

L1 Cache

16 KB (per CU)

32 KB

L2 Cache

256 KB

-

Theoretical Performance

2.080 GPixel/s

Pixel Rate

16.80 GPixel/s

2.080 GTexel/s

Texture Rate

58.80 GTexel/s

-

19.68 GFLOPS

FP32 (float)

1.882 TFLOPS

-

FP64 (double)

117.6 GFLOPS

Board Design

25W

TDP

85W

200 W

Suggested PSU

250 W

1x DVI 1x VGA 1x S-Video

Outputs

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

None

Power Connectors

1x 6-pin

Graphics Processor

GT218

GPU Name

Bonaire

8400GS-225-B1

GPU Variant

Bonaire XT (215-0839039)

Tesla 2.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.26 billion

Transistors

2.08 billion

57 mm²

Die Size

160 mm²

Graphics Features

11.1 (10_1)

DirectX

12 (12_0)

3.3

OpenGL

4.6

1.1

OpenCL

2.0

N/A

Vulkan

1.2

CUDA

-

4.1

Shader Model

6.3

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