ATI Radeon HD 2600 XT Mac Edition vs NVIDIA GeForce GTX 650 Ti

VS

ATI Radeon HD 2600 XT Mac Edition

NVIDIA GeForce GTX 650 Ti

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 2600 XT Mac Edition and 1024MB VRAM GeForce GTX 650 Ti 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 110W)

NVIDIA GeForce GTX 650 Ti 's Advantages

Released 4 years and 8 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (86.40GB/s vs 25.60GB/s)

648 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 2600 XT Mac Edition

0.168 TFLOPS

GeForce GTX 650 Ti +748%

1.425 TFLOPS

Radeon HD 2600 XT Mac Edition

VS

GeForce GTX 650 Ti

Graphics Card

Feb 2008

Release Date

Oct 2012

Radeon R600

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

800 MHz

Memory Clock

1350 MHz

Memory

256MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

25.60GB/s

Bandwidth

86.40GB/s

Render Config

3

Compute Units

-

120

Shading Units

768

8

TMUs

64

4

ROPs

16

-

L1 Cache

16 KB (per SMX)

64 KB

L2 Cache

256 KB

-

Theoretical Performance

2.800 GPixel/s

Pixel Rate

14.85 GPixel/s

5.600 GTexel/s

Texture Rate

59.39 GTexel/s

-

168.0 GFLOPS

FP32 (float)

1425 GFLOPS

-

FP64 (double)

59.39 GFLOPS

Board Design

45W

TDP

110W

200 W

Suggested PSU

300 W

2x DVI

Outputs

2x DVI 1x mini-HDMI 1.4a

None

Power Connectors

1x 6-pin

Graphics Processor

RV630

GPU Name

GK106

-

GPU Variant

GK106-220-A1

TeraScale

Architecture

Kepler

TSMC

Foundry

TSMC

65 nm

Process Size

28 nm

0.39 billion

Transistors

2.54 billion

153 mm²

Die Size

221 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

3.0

4.0

Shader Model

5.1

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