ATI Radeon HD 2600 XT Mac Edition vs NVIDIA GeForce GTX 780 Rev. 2

VS

ATI Radeon HD 2600 XT Mac Edition

NVIDIA GeForce GTX 780 Rev. 2

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 2600 XT Mac Edition and 3GB VRAM GeForce GTX 780 Rev. 2 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 780 Rev. 2 's Advantages

Released 5 years and 7 months late

Boost Clock902MHz

More VRAM (3GB vs 256GB)

Larger VRAM bandwidth (288.4GB/s vs 25.60GB/s)

2184 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 2600 XT Mac Edition

0.168 TFLOPS

GeForce GTX 780 Rev. 2 +2373%

4.156 TFLOPS

Radeon HD 2600 XT Mac Edition

VS

GeForce GTX 780 Rev. 2

Graphics Card

Feb 2008

Release Date

Sep 2013

Radeon R600

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

863 MHz

-

Boost Clock

902 MHz

800 MHz

Memory Clock

1502 MHz

Memory

256MB

Memory Size

3GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

384bit

25.60GB/s

Bandwidth

288.4GB/s

Render Config

3

Compute Units

-

120

Shading Units

2304

8

TMUs

192

4

ROPs

48

-

L1 Cache

16 KB (per SMX)

64 KB

L2 Cache

1536 KB

-

Theoretical Performance

2.800 GPixel/s

Pixel Rate

43.30 GPixel/s

5.600 GTexel/s

Texture Rate

173.2 GTexel/s

-

168.0 GFLOPS

FP32 (float)

4.156 TFLOPS

-

FP64 (double)

173.2 GFLOPS

Board Design

45W

TDP

250W

200 W

Suggested PSU

600 W

2x DVI

Outputs

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

RV630

GPU Name

GK110B

-

GPU Variant

GK110-300-B1

TeraScale

Architecture

Kepler

TSMC

Foundry

TSMC

65 nm

Process Size

28 nm

0.39 billion

Transistors

7.08 billion

153 mm²

Die Size

561 mm²

Graphics Features

10.0 (10_0)

DirectX

12 (11_1)

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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