NVIDIA GeForce GTX 680 vs ATI Radeon HD 2600 XT Mac Edition

VS

NVIDIA GeForce GTX 680 ATI Radeon HD 2600 XT Mac Edition

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 680 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 680 's Advantages

Released 4 years and 1 months late

Boost Clock1058MHz

Larger VRAM bandwidth (192.3GB/s vs 25.60GB/s)

1416 additional rendering cores

ATI Radeon HD 2600 XT Mac Edition 's Advantages

Lower TDP (45W vs 195W)

Score

Benchmark

FP32 (float)

GeForce GTX 680 +1834%

3.25 TFLOPS

Radeon HD 2600 XT Mac Edition

0.168 TFLOPS

GeForce GTX 680

VS

Radeon HD 2600 XT Mac Edition

Graphics Card

Mar 2012

Release Date

Feb 2008

GeForce 600

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

1006 MHz

Base Clock

-

1058 MHz

Boost Clock

-

1502 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

192.3GB/s

Bandwidth

25.60GB/s

Render Config

-

SM Count

-

Compute Units

3

1536

Shading Units

120

128

TMUs

8

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

-

512 KB

L2 Cache

64 KB

Theoretical Performance

33.86 GPixel/s

Pixel Rate

2.800 GPixel/s

135.4 GTexel/s

Texture Rate

5.600 GTexel/s

-

FP16 (half)

-

3.250 TFLOPS

FP32 (float)

168.0 GFLOPS

135.4 GFLOPS

FP64 (double)

-

Graphics Processor

GK104

GPU Name

RV630

GK104-400-A2

GPU Variant

-

Kepler

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

3.54 billion

Transistors

0.39 billion

294 mm²

Die Size

153 mm²

Board Design

195W

TDP

45W

450 W

Suggested PSU

200 W

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

Outputs

2x DVI

2x 6-pin

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

N/A

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

4.0

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