NVIDIA GeForce GTX 460 X2 vs AMD Radeon HD 6490

VS

NVIDIA GeForce GTX 460 X2

AMD Radeon HD 6490

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 460 X2 and 1024MB VRAM Radeon HD 6490 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 460 X2 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 16.00GB/s)

16 additional rendering cores

AMD Radeon HD 6490 's Advantages

Lower TDP (39W vs 160W)

Score

Benchmark

FP32 (float)

GeForce GTX 460 X2 +167%

0.942 TFLOPS

Radeon HD 6490

0.352 TFLOPS

GeForce GTX 460 X2

VS

Radeon HD 6490

Graphics Card

Mar 2011

Release Date

Jul 2011

GeForce 400

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

500 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

16.00GB/s

Render Config

-

Compute Units

4

7

SM Count

-

336

Shading Units

320

56

TMUs

16

32

ROPs

8

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

9.814 GPixel/s

Pixel Rate

4.400 GPixel/s

39.26 GTexel/s

Texture Rate

8.800 GTexel/s

-

941.5 GFLOPS

FP32 (float)

352.0 GFLOPS

78.46 GFLOPS

FP64 (double)

-

Board Design

160W

TDP

39W

450 W

Suggested PSU

200 W

3x DVI 1x mini-HDMI 1.3a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 8-pin

Power Connectors

None

Graphics Processor

GF104

GPU Name

Redwood

GF104-300-KB-A1

GPU Variant

Redwood LE

Fermi

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.95 billion

Transistors

0.627 billion

332 mm²

Die Size

104 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

5.0

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