NVIDIA GeForce 9400 GT PCI vs AMD Radeon HD 7790

VS

NVIDIA GeForce 9400 GT PCI

AMD Radeon HD 7790

We compared two Desktop platform GPUs: 256MB VRAM GeForce 9400 GT PCI 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 9400 GT PCI 's Advantages

Lower TDP (50W vs 85W)

AMD Radeon HD 7790 's Advantages

Released 4 years and 7 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (96.00GB/s vs 12.80GB/s)

880 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 9400 GT PCI

0.045 TFLOPS

Radeon HD 7790 +3882%

1.792 TFLOPS

GeForce 9400 GT PCI

VS

Radeon HD 7790

Graphics Card

Aug 2008

Release Date

Mar 2013

GeForce 9

Generation

Southern Islands

Desktop

Type

Desktop

PCI

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

400 MHz

Memory Clock

1500 MHz

Memory

256MB

Memory Size

1024MB

DDR2

Memory Type

GDDR5

128bit

Memory Bus

128bit

12.80GB/s

Bandwidth

96.00GB/s

Render Config

-

Compute Units

14

2

SM Count

-

16

Shading Units

896

8

TMUs

56

4

ROPs

16

-

L1 Cache

16 KB (per CU)

32 KB

L2 Cache

256 KB

-

Theoretical Performance

2.200 GPixel/s

Pixel Rate

16.00 GPixel/s

4.400 GTexel/s

Texture Rate

56.00 GTexel/s

-

44.80 GFLOPS

FP32 (float)

1.792 TFLOPS

-

FP64 (double)

112.0 GFLOPS

Board Design

50W

TDP

85W

250 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

G96C

GPU Name

Bonaire

-

GPU Variant

Bonaire XT (215-0839039)

Tesla

Architecture

GCN 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.314 billion

Transistors

2.08 billion

121 mm²

Die Size

160 mm²

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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