AMD Radeon HD 6630M Mac Edition vs AMD Radeon E9171 MCM

VS

AMD Radeon HD 6630M Mac Edition

AMD Radeon E9171 MCM

We compared two Mobile platform GPUs: 256MB VRAM Radeon HD 6630M Mac Edition and 4GB VRAM Radeon E9171 MCM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6630M Mac Edition 's Advantages

Lower TDP (26W vs 40W)

AMD Radeon E9171 MCM 's Advantages

Released 6 years and 9 months late

Boost Clock1219MHz

More VRAM (4GB vs 256GB)

Larger VRAM bandwidth (96.00GB/s vs 19.20GB/s)

32 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6630M Mac Edition

0.48 TFLOPS

Radeon E9171 MCM +160%

1.248 TFLOPS

Radeon HD 6630M Mac Edition

VS

Radeon E9171 MCM

Graphics Card

Jan 2011

Release Date

Oct 2017

Vancouver

Generation

Embedded

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1124 MHz

-

Boost Clock

1219 MHz

600 MHz

Memory Clock

1500 MHz

Memory

256MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

19.20GB/s

Bandwidth

96.00GB/s

Render Config

6

Compute Units

8

-

480

Shading Units

512

24

TMUs

32

8

ROPs

16

-

L1 Cache

16 KB (per CU)

-

L2 Cache

512 KB

-

Theoretical Performance

4.000 GPixel/s

Pixel Rate

19.50 GPixel/s

12.00 GTexel/s

Texture Rate

39.01 GTexel/s

-

FP16 (half)

1248 GFLOPS

480.0 GFLOPS

FP32 (float)

1248 GFLOPS

-

FP64 (double)

78.02 GFLOPS

Board Design

26W

TDP

40W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Whistler

GPU Name

Lexa

Whistler LP

GPU Variant

Lexa MCM Pro

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

0.716 billion

Transistors

2.2 billion

104 mm²

Die Size

103 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.2

-

5.0

Shader Model

6.4

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