NVIDIA GeForce 8600 GT vs AMD Radeon HD 8490 OEM

VS

NVIDIA GeForce 8600 GT

AMD Radeon HD 8490 OEM

We compared two Desktop platform GPUs: 512MB VRAM GeForce 8600 GT and 1024MB VRAM Radeon HD 8490 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8600 GT 's Advantages

Larger VRAM bandwidth (22.40GB/s vs 14.40GB/s)

AMD Radeon HD 8490 OEM 's Advantages

Released 6 years and 3 months late

More VRAM (1024GB vs 512GB)

128 additional rendering cores

Lower TDP (35W vs 47W)

Score

Benchmark

FP32 (float)

GeForce 8600 GT

0.076 TFLOPS

Radeon HD 8490 OEM +268%

0.28 TFLOPS

GeForce 8600 GT

VS

Radeon HD 8490 OEM

Graphics Card

Apr 2007

Release Date

Jul 2013

GeForce 8

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

700 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

22.40GB/s

Bandwidth

14.40GB/s

Render Config

-

Compute Units

2

4

SM Count

-

32

Shading Units

160

16

TMUs

8

ROPs

4

-

L1 Cache

8 KB (per CU)

32 KB

L2 Cache

128 KB

-

Theoretical Performance

4.320 GPixel/s

Pixel Rate

3.500 GPixel/s

8.640 GTexel/s

Texture Rate

7.000 GTexel/s

-

76.16 GFLOPS

FP32 (float)

280.0 GFLOPS

-

Board Design

47W

TDP

35W

200 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

1x DVI 1x DisplayPort 1.1

None

Power Connectors

None

Graphics Processor

G84

GPU Name

Caicos

G84-303-A2

GPU Variant

Caicos XTX

Tesla

Architecture

TeraScale 2

TSMC

Foundry

TSMC

80 nm

Process Size

40 nm

0.289 billion

Transistors

0.37 billion

169 mm²

Die Size

67 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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