NVIDIA GeForce GTX 490 vs ATI Radeon HD 2600 XT AGP

VS

NVIDIA GeForce GTX 490 ATI Radeon HD 2600 XT AGP

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 and 256MB VRAM Radeon HD 2600 XT AGP 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 25.60GB/s)

360 additional rendering cores

ATI Radeon HD 2600 XT AGP 's Advantages

Lower TDP (45W vs 365W)

Score

Benchmark

FP32 (float)

GeForce GTX 490 +507%

1.166 TFLOPS

Radeon HD 2600 XT AGP

0.192 TFLOPS

GeForce GTX 490

VS

Radeon HD 2600 XT AGP

Graphics Card

Unknown

Release Date

Jun 2007

GeForce 400

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

AGP 8x

Clock Speeds

-

Base Clock

-

Boost Clock

-

854 MHz

Memory Clock

800 MHz

Memory

1536MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

128bit

164.0GB/s

Bandwidth

25.60GB/s

Render Config

15

SM Count

-

Compute Units

3

480

Shading Units

120

60

TMUs

8

48

ROPs

4

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

-

768 KB

L2 Cache

64 KB

Theoretical Performance

18.24 GPixel/s

Pixel Rate

3.200 GPixel/s

36.48 GTexel/s

Texture Rate

6.400 GTexel/s

-

FP16 (half)

-

1166 GFLOPS

FP32 (float)

192.0 GFLOPS

145.8 GFLOPS

FP64 (double)

-

Graphics Processor

GF100

GPU Name

RV630

GF100-375-A3

GPU Variant

RV630 XT (215CDABKA15FG)

Fermi

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

65 nm

3.1 billion

Transistors

0.39 billion

529 mm²

Die Size

153 mm²

Board Design

365W

TDP

45W

750 W

Suggested PSU

200 W

3x DVI 1x mini-DisplayPort

Outputs

1x DVI 1x VGA 1x S-Video

2x 8-pin

Power Connectors

1x 6-pin

Graphics Features

12 (11_0)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3

1.1

OpenCL

N/A

Vulkan

N/A

2.0

CUDA

-

5.1

Shader Model

4.0

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