AMD Radeon HD 8490 OEM vs NVIDIA GeForce 9400 GT

VS

AMD Radeon HD 8490 OEM

NVIDIA GeForce 9400 GT

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 8490 OEM and 128MB VRAM GeForce 9400 GT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8490 OEM 's Advantages

Released 4 years and 11 months late

More VRAM (1024GB vs 128GB)

Larger VRAM bandwidth (14.40GB/s vs 9.600GB/s)

144 additional rendering cores

Lower TDP (35W vs 50W)

Score

Benchmark

FP32 (float)

Radeon HD 8490 OEM +865%

0.28 TFLOPS

GeForce 9400 GT

0.029 TFLOPS

Radeon HD 8490 OEM

VS

GeForce 9400 GT

Graphics Card

Jul 2013

Release Date

Aug 2008

Sea Islands

Generation

GeForce 9

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

600 MHz

Memory

1024MB

Memory Size

128MB

DDR3

Memory Type

DDR2

64bit

Memory Bus

64bit

14.40GB/s

Bandwidth

9.600GB/s

Render Config

2

Compute Units

-

SM Count

2

160

Shading Units

16

8

TMUs

8

4

ROPs

4

-

8 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

16 KB

-

Theoretical Performance

3.500 GPixel/s

Pixel Rate

1.836 GPixel/s

7.000 GTexel/s

Texture Rate

3.672 GTexel/s

-

280.0 GFLOPS

FP32 (float)

29.38 GFLOPS

-

Board Design

35W

TDP

50W

200 W

Suggested PSU

250 W

1x DVI 1x DisplayPort 1.1

Outputs

1x DVI 1x VGA 1x S-Video

None

Power Connectors

None

Graphics Processor

Caicos

GPU Name

G86

Caicos XTX

GPU Variant

-

TeraScale 2

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

80 nm

0.37 billion

Transistors

0.21 billion

67 mm²

Die Size

127 mm²

Graphics Features

11.2 (11_0)

DirectX

11.1 (10_0)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.1

5.0

Shader Model

4.0

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