ATI Radeon HD 2600 XT Mac Edition vs NVIDIA GeForce GT 635 OEM

VS

ATI Radeon HD 2600 XT Mac Edition

NVIDIA GeForce GT 635 OEM

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 2600 XT Mac Edition and 1024MB VRAM GeForce GT 635 OEM 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

Larger VRAM bandwidth (25.60GB/s vs 14.40GB/s)

NVIDIA GeForce GT 635 OEM 's Advantages

Released 5 years and 8 months late

More VRAM (1024GB vs 256GB)

264 additional rendering cores

Lower TDP (35W vs 45W)

Score

Benchmark

FP32 (float)

Radeon HD 2600 XT Mac Edition

0.168 TFLOPS

GeForce GT 635 OEM +342%

0.743 TFLOPS

Radeon HD 2600 XT Mac Edition

VS

GeForce GT 635 OEM

Graphics Card

Feb 2008

Release Date

Oct 2013

Radeon R600

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

800 MHz

Memory Clock

900 MHz

Memory

256MB

Memory Size

1024MB

GDDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

25.60GB/s

Bandwidth

14.40GB/s

Render Config

3

Compute Units

-

120

Shading Units

384

8

TMUs

32

4

ROPs

8

-

L1 Cache

16 KB (per SMX)

64 KB

L2 Cache

512 KB

-

Theoretical Performance

2.800 GPixel/s

Pixel Rate

7.736 GPixel/s

5.600 GTexel/s

Texture Rate

30.94 GTexel/s

-

168.0 GFLOPS

FP32 (float)

742.7 GFLOPS

-

FP64 (double)

30.94 GFLOPS

Board Design

45W

TDP

35W

200 W

Suggested PSU

200 W

2x DVI

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

None

Power Connectors

None

Graphics Processor

RV630

GPU Name

GK208

-

TeraScale

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

65 nm

Process Size

28 nm

0.39 billion

Transistors

1.02 billion

153 mm²

Die Size

87 mm²

Graphics Features

10.0 (10_0)

DirectX

12 (11_0)

3.3

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.5

4.0

Shader Model

5.1

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