AMD Radeon R9 M295X Mac Edition vs AMD Radeon HD 6470M

VS

AMD Radeon R9 M295X Mac Edition

AMD Radeon HD 6470M

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M295X Mac Edition and 512MB VRAM Radeon HD 6470M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M295X Mac Edition 's Advantages

Released 3 years and 10 months late

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (174.3GB/s vs 12.80GB/s)

1888 additional rendering cores

AMD Radeon HD 6470M 's Advantages

Lower TDP (25W vs 250W)

Score

Benchmark

FP32 (float)

Radeon R9 M295X Mac Edition +1454%

3.482 TFLOPS

Radeon HD 6470M

0.224 TFLOPS

Radeon R9 M295X Mac Edition

VS

Radeon HD 6470M

Graphics Card

Nov 2014

Release Date

Jan 2011

Crystal System

Generation

Vancouver

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1362 MHz

Memory Clock

800 MHz

Memory

4GB

Memory Size

512MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

174.3GB/s

Bandwidth

12.80GB/s

Render Config

32

Compute Units

2

-

2048

Shading Units

160

128

TMUs

8

32

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

27.20 GPixel/s

Pixel Rate

2.800 GPixel/s

108.8 GTexel/s

Texture Rate

5.600 GTexel/s

3.482 TFLOPS

FP16 (half)

-

3.482 TFLOPS

FP32 (float)

224.0 GFLOPS

217.6 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

25W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Amethyst

GPU Name

Seymour

Amethyst XT

GPU Variant

Seymour XT (216-0810084)

GCN 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

5 billion

Transistors

0.37 billion

366 mm²

Die Size

67 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.0

OpenCL

1.2

Vulkan

N/A

-

6.3

Shader Model

5.0

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