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

VS

NVIDIA GeForce GTX 780 Rev. 2

ATI Radeon HD 2600 XT Mac Edition

We compared two Desktop platform GPUs: 3GB VRAM GeForce GTX 780 Rev. 2 and 256MB VRAM Radeon HD 2600 XT Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

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

ATI Radeon HD 2600 XT Mac Edition 's Advantages

Lower TDP (45W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 780 Rev. 2 +2373%

4.156 TFLOPS

Radeon HD 2600 XT Mac Edition

0.168 TFLOPS

GeForce GTX 780 Rev. 2

VS

Radeon HD 2600 XT Mac Edition

Graphics Card

Sep 2013

Release Date

Feb 2008

GeForce 700

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

863 MHz

Base Clock

-

902 MHz

Boost Clock

-

1502 MHz

Memory Clock

800 MHz

Memory

3GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

128bit

288.4GB/s

Bandwidth

25.60GB/s

Render Config

-

Compute Units

3

-

2304

Shading Units

120

192

TMUs

8

48

ROPs

4

-

16 KB (per SMX)

L1 Cache

-

1536 KB

L2 Cache

64 KB

-

Theoretical Performance

43.30 GPixel/s

Pixel Rate

2.800 GPixel/s

173.2 GTexel/s

Texture Rate

5.600 GTexel/s

-

4.156 TFLOPS

FP32 (float)

168.0 GFLOPS

173.2 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

45W

600 W

Suggested PSU

200 W

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

Outputs

2x DVI

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

GK110B

GPU Name

RV630

GK110-300-B1

GPU Variant

-

Kepler

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

7.08 billion

Transistors

0.39 billion

561 mm²

Die Size

153 mm²

Graphics Features

12 (11_1)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

N/A

1.1

Vulkan

N/A

3.5

CUDA

-

5.1

Shader Model

4.0

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