AMD Radeon HD 8670A vs AMD Radeon R9 M270X

VS

AMD Radeon HD 8670A

AMD Radeon R9 M270X

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670A and 2GB VRAM Radeon R9 M270X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M270X 's Advantages

Released 2 years late

Boost Clock1000MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (88.00GB/s vs 16.00GB/s)

384 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8670A

0.461 TFLOPS

Radeon R9 M270X +233%

1.536 TFLOPS

Radeon HD 8670A

VS

Radeon R9 M270X

Graphics Card

Feb 2013

Release Date

Feb 2015

All-In-One

Generation

Gem System

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

1000 MHz

Memory Clock

1375 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

16.00GB/s

Bandwidth

88.00GB/s

Render Config

6

Compute Units

12

-

384

Shading Units

768

24

TMUs

48

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

16.00 GPixel/s

14.40 GTexel/s

Texture Rate

48.00 GTexel/s

-

460.8 GFLOPS

FP32 (float)

1.536 TFLOPS

28.80 GFLOPS

FP64 (double)

96.00 GFLOPS

Board Design

45W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

Mars

GPU Name

Saturn

Mars XT

GPU Variant

Saturn PRO (216-0843044)

GCN 1.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.95 billion

Transistors

2.08 billion

77 mm²

Die Size

160 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2.170

-

5.1

Shader Model

6.5

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