AMD Radeon R7 340 OEM vs ATI Radeon HD 2600 XT Mac Edition

VS

AMD Radeon R7 340 OEM

ATI Radeon HD 2600 XT Mac Edition

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 340 OEM 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

AMD Radeon R7 340 OEM 's Advantages

Released 7 years and 3 months late

Boost Clock780MHz

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (64.00GB/s vs 25.60GB/s)

264 additional rendering cores

ATI Radeon HD 2600 XT Mac Edition 's Advantages

Lower TDP (45W vs 50W)

Score

Benchmark

FP32 (float)

Radeon R7 340 OEM +256%

0.599 TFLOPS

Radeon HD 2600 XT Mac Edition

0.168 TFLOPS

Radeon R7 340 OEM

VS

Radeon HD 2600 XT Mac Edition

Graphics Card

May 2015

Release Date

Feb 2008

Pirate Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 1.0 x16

Clock Speeds

730 MHz

Base Clock

-

780 MHz

Boost Clock

-

1000 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

25.60GB/s

Render Config

6

Compute Units

3

-

384

Shading Units

120

24

TMUs

8

ROPs

4

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

64 KB

-

Theoretical Performance

6.240 GPixel/s

Pixel Rate

2.800 GPixel/s

18.72 GTexel/s

Texture Rate

5.600 GTexel/s

-

599.0 GFLOPS

FP32 (float)

168.0 GFLOPS

37.44 GFLOPS

FP64 (double)

-

Board Design

50W

TDP

45W

250 W

Suggested PSU

200 W

1x DVI 1x HDMI 1.4a 1x VGA

Outputs

2x DVI

None

Power Connectors

None

Graphics Processor

Oland

GPU Name

RV630

-

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

0.95 billion

Transistors

0.39 billion

77 mm²

Die Size

153 mm²

Graphics Features

12 (11_1)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

5.1

Shader Model

4.0

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