AMD Radeon HD 8690M vs AMD Radeon R9 M295X Mac Edition

VS

AMD Radeon HD 8690M

AMD Radeon R9 M295X Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8690M and 4GB VRAM Radeon R9 M295X Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8690M 's Advantages

Boost Clock975MHz

AMD Radeon R9 M295X Mac Edition 's Advantages

Released 1 years and 8 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (174.3GB/s vs 32.00GB/s)

1728 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8690M

0.624 TFLOPS

Radeon R9 M295X Mac Edition +458%

3.482 TFLOPS

Radeon HD 8690M

VS

Radeon R9 M295X Mac Edition

Graphics Card

Mar 2013

Release Date

Nov 2014

Solar System

Generation

Crystal System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

925 MHz

Base Clock

-

975 MHz

Boost Clock

-

1000 MHz

Memory Clock

1362 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

256bit

32.00GB/s

Bandwidth

174.3GB/s

Render Config

5

Compute Units

32

-

320

Shading Units

2048

20

TMUs

128

8

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

7.800 GPixel/s

Pixel Rate

27.20 GPixel/s

19.50 GTexel/s

Texture Rate

108.8 GTexel/s

-

FP16 (half)

3.482 TFLOPS

624.0 GFLOPS

FP32 (float)

3.482 TFLOPS

39.00 GFLOPS

FP64 (double)

217.6 GFLOPS

Board Design

Unknown

TDP

250W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Sun

GPU Name

Amethyst

Sun S3 XT (216-0841009)

GPU Variant

Amethyst XT

GCN 1.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.69 billion

Transistors

5 billion

56 mm²

Die Size

366 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

2.0

1.2.170

Vulkan

1.2

-

6.5 (5.1)

Shader Model

6.3

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