AMD Radeon HD 6490 vs NVIDIA GeForce 8600 GTS Mac Edition

VS

AMD Radeon HD 6490

NVIDIA GeForce 8600 GTS Mac Edition

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6490 and 512MB VRAM GeForce 8600 GTS Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6490 's Advantages

Released 3 years and 10 months late

More VRAM (1024GB vs 512GB)

288 additional rendering cores

Lower TDP (39W vs 75W)

NVIDIA GeForce 8600 GTS Mac Edition 's Advantages

Larger VRAM bandwidth (32.26GB/s vs 16.00GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 6490 +278%

0.352 TFLOPS

GeForce 8600 GTS Mac Edition

0.093 TFLOPS

Radeon HD 6490

VS

GeForce 8600 GTS Mac Edition

Graphics Card

Jul 2011

Release Date

Sep 2007

Northern Islands

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

500 MHz

Memory Clock

1008 MHz

Memory

1024MB

Memory Size

512MB

DDR2

Memory Type

GDDR3

128bit

Memory Bus

128bit

16.00GB/s

Bandwidth

32.26GB/s

Render Config

4

Compute Units

-

SM Count

4

320

Shading Units

32

16

TMUs

16

8

ROPs

8

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

32 KB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

5.400 GPixel/s

8.800 GTexel/s

Texture Rate

10.80 GTexel/s

-

352.0 GFLOPS

FP32 (float)

92.80 GFLOPS

-

Board Design

39W

TDP

75W

200 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

2x DVI

None

Power Connectors

1x 6-pin

Graphics Processor

Redwood

GPU Name

G84

Redwood LE

GPU Variant

G84-400-A2

TeraScale 2

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

80 nm

0.627 billion

Transistors

0.289 billion

104 mm²

Die Size

169 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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