NVIDIA GeForce GTX 260 Rev. 2 vs AMD Radeon HD 6490

VS

NVIDIA GeForce GTX 260 Rev. 2

AMD Radeon HD 6490

We compared two Desktop platform GPUs: 896MB VRAM GeForce GTX 260 Rev. 2 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 260 Rev. 2 's Advantages

Larger VRAM bandwidth (111.9GB/s vs 16.00GB/s)

AMD Radeon HD 6490 's Advantages

Released 3 years late

More VRAM (1024GB vs 896GB)

128 additional rendering cores

Lower TDP (39W vs 182W)

Score

Benchmark

FP32 (float)

GeForce GTX 260 Rev. 2 +35%

0.477 TFLOPS

Radeon HD 6490

0.352 TFLOPS

GeForce GTX 260 Rev. 2

VS

Radeon HD 6490

Graphics Card

Jul 2008

Release Date

Jul 2011

GeForce 200

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

999 MHz

Memory Clock

500 MHz

Memory

896MB

Memory Size

1024MB

GDDR3

Memory Type

DDR2

448bit

Memory Bus

128bit

111.9GB/s

Bandwidth

16.00GB/s

Render Config

-

Compute Units

4

24

SM Count

-

192

Shading Units

320

64

TMUs

16

28

ROPs

8

-

L1 Cache

8 KB (per CU)

224 KB

L2 Cache

256 KB

-

Theoretical Performance

16.13 GPixel/s

Pixel Rate

4.400 GPixel/s

36.86 GTexel/s

Texture Rate

8.800 GTexel/s

-

476.9 GFLOPS

FP32 (float)

352.0 GFLOPS

59.62 GFLOPS

FP64 (double)

-

Board Design

182W

TDP

39W

450 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 6-pin

Power Connectors

None

Graphics Processor

GT200B

GPU Name

Redwood

G200-103-B3

GPU Variant

Redwood LE

Tesla 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

1.4 billion

Transistors

0.627 billion

470 mm²

Die Size

104 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

1.3

CUDA

-

4.0

Shader Model

5.0

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