NVIDIA GeForce 9400 GT PCI vs AMD Radeon HD 6390

VS

NVIDIA GeForce 9400 GT PCI

AMD Radeon HD 6390

We compared two Desktop platform GPUs: 256MB VRAM GeForce 9400 GT PCI and 1024MB VRAM Radeon HD 6390 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6390 's Advantages

Released 2 years and 11 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (16.00GB/s vs 12.80GB/s)

304 additional rendering cores

Lower TDP (39W vs 50W)

Score

Benchmark

FP32 (float)

GeForce 9400 GT PCI

0.045 TFLOPS

Radeon HD 6390 +682%

0.352 TFLOPS

GeForce 9400 GT PCI

VS

Radeon HD 6390

Graphics Card

Aug 2008

Release Date

Jul 2011

GeForce 9

Generation

Northern Islands

Desktop

Type

Desktop

PCI

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

400 MHz

Memory Clock

500 MHz

Memory

256MB

Memory Size

1024MB

DDR2

Memory Type

DDR2

128bit

Memory Bus

128bit

12.80GB/s

Bandwidth

16.00GB/s

Render Config

-

Compute Units

4

2

SM Count

-

16

Shading Units

320

8

TMUs

16

4

ROPs

8

-

L1 Cache

8 KB (per CU)

32 KB

L2 Cache

256 KB

-

Theoretical Performance

2.200 GPixel/s

Pixel Rate

4.400 GPixel/s

4.400 GTexel/s

Texture Rate

8.800 GTexel/s

-

44.80 GFLOPS

FP32 (float)

352.0 GFLOPS

-

Board Design

50W

TDP

39W

250 W

Suggested PSU

200 W

1x DVI 1x VGA 1x S-Video

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

None

Power Connectors

None

Graphics Processor

G96C

GPU Name

Redwood

-

GPU Variant

Redwood LE

Tesla

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.314 billion

Transistors

0.627 billion

121 mm²

Die Size

104 mm²

Graphics Features

11.1 (10_0)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

1.1

CUDA

-

4.0

Shader Model

5.0

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