AMD Radeon HD 6750M Mac Edition vs AMD Radeon R9 M290X

VS

AMD Radeon HD 6750M Mac Edition

AMD Radeon R9 M290X

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6750M Mac Edition and 4GB VRAM Radeon R9 M290X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6750M Mac Edition 's Advantages

Lower TDP (35W vs 100W)

AMD Radeon R9 M290X 's Advantages

Released 2 years and 9 months late

Boost Clock900MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (153.6GB/s vs 50.82GB/s)

800 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6750M Mac Edition

0.574 TFLOPS

Radeon R9 M290X +301%

2.304 TFLOPS

Radeon HD 6750M Mac Edition

VS

Radeon R9 M290X

Graphics Card

Apr 2011

Release Date

Jan 2014

Vancouver

Generation

Crystal System

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

850 MHz

-

Boost Clock

900 MHz

794 MHz

Memory Clock

1200 MHz

Memory

512MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

50.82GB/s

Bandwidth

153.6GB/s

Render Config

6

Compute Units

20

-

480

Shading Units

1280

24

TMUs

80

8

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

4.784 GPixel/s

Pixel Rate

28.80 GPixel/s

14.35 GTexel/s

Texture Rate

72.00 GTexel/s

-

574.1 GFLOPS

FP32 (float)

2.304 TFLOPS

-

FP64 (double)

144.0 GFLOPS

Board Design

35W

TDP

100W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Whistler

GPU Name

Neptune

Whistler PRO (216-0810005)

GPU Variant

Neptune XT (216-0847000)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

2.8 billion

104 mm²

Die Size

212 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

5.0

Shader Model

5.1

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