ATI Radeon HD 2600 XT Mac Edition vs NVIDIA GeForce GTX 980

VS

ATI Radeon HD 2600 XT Mac Edition

NVIDIA GeForce GTX 980

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 2600 XT Mac Edition and 4GB VRAM GeForce GTX 980 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 165W)

NVIDIA GeForce GTX 980 's Advantages

Released 6 years and 7 months late

Boost Clock1216MHz

More VRAM (4GB vs 256GB)

Larger VRAM bandwidth (224.4GB/s vs 25.60GB/s)

1928 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 2600 XT Mac Edition

0.168 TFLOPS

GeForce GTX 980 +2864%

4.981 TFLOPS

Radeon HD 2600 XT Mac Edition

VS

GeForce GTX 980

Graphics Card

Feb 2008

Release Date

Sep 2014

Radeon R600

Generation

GeForce 900

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1127 MHz

-

Boost Clock

1216 MHz

800 MHz

Memory Clock

1753 MHz

Memory

256MB

Memory Size

4GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

25.60GB/s

Bandwidth

224.4GB/s

Render Config

3

Compute Units

-

120

Shading Units

2048

8

TMUs

128

4

ROPs

64

-

L1 Cache

48 KB (per SMM)

64 KB

L2 Cache

2 MB

-

Theoretical Performance

2.800 GPixel/s

Pixel Rate

77.82 GPixel/s

5.600 GTexel/s

Texture Rate

155.6 GTexel/s

-

168.0 GFLOPS

FP32 (float)

4.981 TFLOPS

-

FP64 (double)

155.6 GFLOPS

Board Design

45W

TDP

165W

200 W

Suggested PSU

450 W

2x DVI

Outputs

1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a

None

Power Connectors

2x 6-pin

Graphics Processor

RV630

GPU Name

GM204

-

GPU Variant

GM204-400-A1

TeraScale

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

65 nm

Process Size

28 nm

0.39 billion

Transistors

5.2 billion

153 mm²

Die Size

398 mm²

Graphics Features

10.0 (10_0)

DirectX

12 (12_1)

3.3

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

5.2

4.0

Shader Model

6.4

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