NVIDIA GeForce GTX 490 vs ATI FireMV 2260 PCIe x1

VS

NVIDIA GeForce GTX 490

ATI FireMV 2260 PCIe x1

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 and 256MB VRAM FireMV 2260 PCIe x1 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 490 's Advantages

More VRAM (1536GB vs 256GB)

Larger VRAM bandwidth (164.0GB/s vs 8.000GB/s)

440 additional rendering cores

ATI FireMV 2260 PCIe x1 's Advantages

Lower TDP (15W vs 365W)

Score

Benchmark

FP32 (float)

GeForce GTX 490 +2815%

1.166 TFLOPS

FireMV 2260 PCIe x1

0.04 TFLOPS

GeForce GTX 490

VS

FireMV 2260 PCIe x1

Graphics Card

Unknown

Release Date

Jan 2008

GeForce 400

Generation

FireMV Multi-View

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x1

Clock Speeds

-

854 MHz

Memory Clock

500 MHz

Memory

1536MB

Memory Size

256MB

GDDR5

Memory Type

DDR2

384bit

Memory Bus

64bit

164.0GB/s

Bandwidth

8.000GB/s

Render Config

-

Compute Units

2

15

SM Count

-

480

Shading Units

40

60

TMUs

4

48

ROPs

4

-

64 KB (per SM)

L1 Cache

-

768 KB

L2 Cache

-

Theoretical Performance

18.24 GPixel/s

Pixel Rate

2.000 GPixel/s

36.48 GTexel/s

Texture Rate

2.000 GTexel/s

-

1166 GFLOPS

FP32 (float)

40.00 GFLOPS

145.8 GFLOPS

FP64 (double)

-

Board Design

365W

TDP

15W

750 W

Suggested PSU

200 W

3x DVI 1x mini-DisplayPort

Outputs

2x DisplayPort

2x 8-pin

Power Connectors

None

Graphics Processor

GF100

GPU Name

RV620

GF100-375-A3

GPU Variant

-

Fermi

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

3.1 billion

Transistors

0.181 billion

529 mm²

Die Size

67 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.1

OpenCL

N/A

Vulkan

N/A

2.0

CUDA

-

5.1

Shader Model

4.1

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