NVIDIA GeForce 8400 GS vs AMD Radeon HD 7790

VS

NVIDIA GeForce 8400 GS AMD Radeon HD 7790

We compared two Desktop platform GPUs: 256MB VRAM GeForce 8400 GS and 1024MB VRAM Radeon HD 7790 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8400 GS 's Advantages

Lower TDP (40W vs 85W)

AMD Radeon HD 7790 's Advantages

Released 5 years and 11 months late

More VRAM (1024GB vs 256GB)

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

880 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8400 GS

0.029 TFLOPS

Radeon HD 7790 +6079%

1.792 TFLOPS

GeForce 8400 GS

VS

Radeon HD 7790

Graphics Card

Apr 2007

Release Date

Mar 2013

GeForce 8

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

400 MHz

Memory Clock

1500 MHz

Memory

256MB

Memory Size

1024MB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

128bit

6.400GB/s

Bandwidth

96.00GB/s

Render Config

2

SM Count

-

Compute Units

14

16

Shading Units

896

8

TMUs

56

4

ROPs

16

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per CU)

16 KB

L2 Cache

256 KB

Theoretical Performance

1.836 GPixel/s

Pixel Rate

16.00 GPixel/s

3.672 GTexel/s

Texture Rate

56.00 GTexel/s

-

FP16 (half)

-

29.38 GFLOPS

FP32 (float)

1.792 TFLOPS

-

FP64 (double)

112.0 GFLOPS

Graphics Processor

G86

GPU Name

Bonaire

G86-213-A2

GPU Variant

Bonaire XT (215-0839039)

Tesla

Architecture

GCN 2.0

TSMC

Foundry

TSMC

80 nm

Process Size

28 nm

0.21 billion

Transistors

2.08 billion

127 mm²

Die Size

160 mm²

Board Design

40W

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 Features

11.1 (10_0)

DirectX

12 (12_0)

3.3

OpenGL

4.6

1.1

OpenCL

2.0

N/A

Vulkan

1.2

1.1

CUDA

-

4.0

Shader Model

6.3

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