NVIDIA GeForce 8400 GS PCI Rev. 2 vs AMD Radeon HD 7770 GHz Edition

VS

NVIDIA GeForce 8400 GS PCI Rev. 2 AMD Radeon HD 7770 GHz Edition

We compared two Desktop platform GPUs: 512MB VRAM GeForce 8400 GS PCI Rev. 2 and 1024MB VRAM Radeon HD 7770 GHz Edition 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)

AMD Radeon HD 7770 GHz Edition 's Advantages

Released 4 years and 10 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (72.00GB/s vs 8.000GB/s)

624 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8400 GS PCI Rev. 2

0.039 TFLOPS

Radeon HD 7770 GHz Edition +3182%

1.28 TFLOPS

GeForce 8400 GS PCI Rev. 2

VS

Radeon HD 7770 GHz Edition

Graphics Card

Apr 2007

Release Date

Feb 2012

GeForce 8

Generation

Southern Islands

Desktop

Type

Desktop

PCI

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

500 MHz

Memory Clock

1125 MHz

Memory

512MB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

8.000GB/s

Bandwidth

72.00GB/s

Render Config

2

SM Count

-

Compute Units

10

16

Shading Units

640

8

TMUs

40

4

ROPs

16

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per CU)

32 KB

L2 Cache

256 KB

Theoretical Performance

2.080 GPixel/s

Pixel Rate

16.00 GPixel/s

4.160 GTexel/s

Texture Rate

40.00 GTexel/s

-

FP16 (half)

-

39.36 GFLOPS

FP32 (float)

1280 GFLOPS

-

FP64 (double)

80.00 GFLOPS

Graphics Processor

GT218

GPU Name

Cape Verde

-

GPU Variant

Cape Verde XT

Tesla 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.26 billion

Transistors

1.5 billion

57 mm²

Die Size

123 mm²

Board Design

40W

TDP

80W

200 W

Suggested PSU

250 W

1x DVI 1x HDMI 1x VGA

Outputs

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

None

Power Connectors

1x 6-pin

Graphics Features

11.1 (10_1)

DirectX

12 (11_1)

3.3

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

CUDA

-

4.1

Shader Model

5.1

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