AMD Radeon HD 6490 vs NVIDIA GeForce GTX 460 SE v2

VS

AMD Radeon HD 6490

NVIDIA GeForce GTX 460 SE v2

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6490 and 768MB VRAM GeForce GTX 460 SE v2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6490 's Advantages

Released 8 months late

More VRAM (1024GB vs 768GB)

32 additional rendering cores

Lower TDP (39W vs 150W)

NVIDIA GeForce GTX 460 SE v2 's Advantages

Larger VRAM bandwidth (81.60GB/s vs 16.00GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 6490

0.352 TFLOPS

GeForce GTX 460 SE v2 +112%

0.749 TFLOPS

Radeon HD 6490

VS

GeForce GTX 460 SE v2

Graphics Card

Jul 2011

Release Date

Nov 2010

Northern Islands

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

500 MHz

Memory Clock

850 MHz

Memory

1024MB

Memory Size

768MB

DDR2

Memory Type

GDDR5

128bit

Memory Bus

192bit

16.00GB/s

Bandwidth

81.60GB/s

Render Config

4

Compute Units

-

SM Count

6

320

Shading Units

288

16

TMUs

48

8

ROPs

24

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

384 KB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

7.800 GPixel/s

8.800 GTexel/s

Texture Rate

31.20 GTexel/s

-

352.0 GFLOPS

FP32 (float)

748.8 GFLOPS

-

FP64 (double)

62.40 GFLOPS

Board Design

39W

TDP

150W

200 W

Suggested PSU

450 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

2x DVI 1x mini-HDMI 1.3a

None

Power Connectors

2x 6-pin

Graphics Processor

Redwood

GPU Name

GF114

Redwood LE

GPU Variant

GF114-400-A1

TeraScale 2

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.627 billion

Transistors

1.95 billion

104 mm²

Die Size

332 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

5.0

Shader Model

5.1

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