ATI Radeon HD 2600 XT Mac Edition vs NVIDIA GeForce GTX 480

VS

ATI Radeon HD 2600 XT Mac Edition

NVIDIA GeForce GTX 480

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 2600 XT Mac Edition and 1536MB VRAM GeForce GTX 480 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2600 XT Mac Edition 's Advantages

Lower TDP (45W vs 250W)

NVIDIA GeForce GTX 480 's Advantages

Released 2 years and 1 months late

More VRAM (1536GB vs 256GB)

Larger VRAM bandwidth (177.4GB/s vs 25.60GB/s)

360 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 2600 XT Mac Edition

0.168 TFLOPS

GeForce GTX 480 +700%

1.345 TFLOPS

Radeon HD 2600 XT Mac Edition

VS

GeForce GTX 480

Graphics Card

Feb 2008

Release Date

Mar 2010

Radeon R600

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

924 MHz

Memory

256MB

Memory Size

1536MB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

384bit

25.60GB/s

Bandwidth

177.4GB/s

Render Config

3

Compute Units

-

SM Count

15

120

Shading Units

480

8

TMUs

60

4

ROPs

48

-

L1 Cache

64 KB (per SM)

64 KB

L2 Cache

768 KB

-

Theoretical Performance

2.800 GPixel/s

Pixel Rate

21.03 GPixel/s

5.600 GTexel/s

Texture Rate

42.06 GTexel/s

-

168.0 GFLOPS

FP32 (float)

1345 GFLOPS

-

FP64 (double)

168.1 GFLOPS

Board Design

45W

TDP

250W

200 W

Suggested PSU

600 W

2x DVI

Outputs

2x DVI 1x mini-HDMI 1.3a

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

RV630

GPU Name

GF100

-

GPU Variant

GF100-375-A3

TeraScale

Architecture

Fermi

TSMC

Foundry

TSMC

65 nm

Process Size

40 nm

0.39 billion

Transistors

3.1 billion

153 mm²

Die Size

529 mm²

Graphics Features

10.0 (10_0)

DirectX

12 (11_0)

3.3

OpenGL

4.6

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.0

4.0

Shader Model

5.1

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