ATI Radeon HD 2600 XT Mac Edition vs NVIDIA GeForce GTX 745 OEM

VS

ATI Radeon HD 2600 XT Mac Edition

NVIDIA GeForce GTX 745 OEM

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 2600 XT Mac Edition and 4GB VRAM GeForce GTX 745 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

Lower TDP (45W vs 55W)

NVIDIA GeForce GTX 745 OEM 's Advantages

Released 6 years late

More VRAM (4GB vs 256GB)

Larger VRAM bandwidth (28.80GB/s vs 25.60GB/s)

264 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 2600 XT Mac Edition

0.168 TFLOPS

GeForce GTX 745 OEM +372%

0.793 TFLOPS

Radeon HD 2600 XT Mac Edition

VS

GeForce GTX 745 OEM

Graphics Card

Feb 2008

Release Date

Feb 2014

Radeon R600

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

800 MHz

Memory Clock

900 MHz

Memory

256MB

Memory Size

4GB

GDDR3

Memory Type

DDR3

128bit

Memory Bus

128bit

25.60GB/s

Bandwidth

28.80GB/s

Render Config

3

Compute Units

-

120

Shading Units

384

8

TMUs

24

4

ROPs

16

-

L1 Cache

64 KB (per SMM)

64 KB

L2 Cache

2 MB

-

Theoretical Performance

2.800 GPixel/s

Pixel Rate

16.53 GPixel/s

5.600 GTexel/s

Texture Rate

24.79 GTexel/s

-

168.0 GFLOPS

FP32 (float)

793.3 GFLOPS

-

FP64 (double)

24.79 GFLOPS

Board Design

45W

TDP

55W

200 W

Suggested PSU

250 W

2x DVI

Outputs

1x DVI 1x HDMI 2.0 1x VGA

None

Power Connectors

None

Graphics Processor

RV630

GPU Name

GM107

-

GPU Variant

GM107-220-A2

TeraScale

Architecture

Maxwell

TSMC

Foundry

TSMC

65 nm

Process Size

28 nm

0.39 billion

Transistors

1.87 billion

153 mm²

Die Size

148 mm²

Graphics Features

10.0 (10_0)

DirectX

12 (11_0)

3.3

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

5.0

4.0

Shader Model

5.1

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