AMD Radeon HD 6630M Mac Edition vs AMD Radeon R9 M275

VS

AMD Radeon HD 6630M Mac Edition AMD Radeon R9 M275

We compared two Mobile platform GPUs: 256MB VRAM Radeon HD 6630M Mac Edition and 2GB VRAM Radeon R9 M275 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M275 's Advantages

Released 3 years late

Boost Clock925MHz

Larger VRAM bandwidth (64.00GB/s vs 19.20GB/s)

160 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6630M Mac Edition

0.48 TFLOPS

Radeon R9 M275 +146%

1.184 TFLOPS

Radeon HD 6630M Mac Edition

VS

Radeon R9 M275

Graphics Card

Jan 2011

Release Date

Jan 2014

Vancouver

Generation

Gem System

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

925 MHz

600 MHz

Memory Clock

1000 MHz

Memory

256MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

19.20GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

-

6

Compute Units

10

480

Shading Units

640

24

TMUs

40

8

ROPs

16

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per CU)

-

L2 Cache

256 KB

Theoretical Performance

4.000 GPixel/s

Pixel Rate

14.80 GPixel/s

12.00 GTexel/s

Texture Rate

37.00 GTexel/s

-

FP16 (half)

-

480.0 GFLOPS

FP32 (float)

1184 GFLOPS

-

FP64 (double)

74.00 GFLOPS

Graphics Processor

Whistler

GPU Name

Venus

Whistler LP

GPU Variant

Venus XTX (216-0846033)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

1.5 billion

104 mm²

Die Size

123 mm²

Board Design

26W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

-

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

2.1 (1.2)

N/A

Vulkan

1.2.170

-

CUDA

-

5.0

Shader Model

6.5 (5.1)

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