AMD Radeon R9 M270X vs AMD Radeon HD 8670M

VS

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

Main Differences

AMD Radeon R9 M270X 's Advantages

Released 1 years and 11 months late

Boost Clock has increased by 3% (1000MHz vs 975MHz)

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (88.00GB/s vs 14.40GB/s)

448 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M270X +146%

1.536 TFLOPS

Radeon HD 8670M

0.624 TFLOPS

Radeon R9 M270X

VS

Radeon HD 8670M

Graphics Card

Feb 2015

Release Date

Mar 2013

Gem System

Generation

Solar System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

900 MHz

Base Clock

925 MHz

1000 MHz

Boost Clock

975 MHz

1375 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

88.00GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

-

12

Compute Units

5

768

Shading Units

320

48

TMUs

20

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

Theoretical Performance

16.00 GPixel/s

Pixel Rate

7.800 GPixel/s

48.00 GTexel/s

Texture Rate

19.50 GTexel/s

-

FP16 (half)

-

1.536 TFLOPS

FP32 (float)

624.0 GFLOPS

96.00 GFLOPS

FP64 (double)

39.00 GFLOPS

Graphics Processor

Saturn

GPU Name

Sun

Saturn PRO (216-0843044)

GPU Variant

Sun S3 XT (216-0841009)

GCN 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

0.69 billion

160 mm²

Die Size

56 mm²

Board Design

Unknown

TDP

Unknown

-

Suggested PSU

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

2.1 (1.2)

1.2.170

Vulkan

1.2.170

-

CUDA

-

6.5

Shader Model

6.5 (5.1)

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