AMD Radeon E8870 vs AMD Radeon HD 8670M

VS

AMD Radeon E8870

AMD Radeon HD 8670M

We compared two Mobile platform GPUs: 4GB VRAM Radeon E8870 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 E8870 's Advantages

Released 2 years and 6 months late

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (96.00GB/s vs 14.40GB/s)

448 additional rendering cores

AMD Radeon HD 8670M 's Advantages

Boost Clock975MHz

Score

Benchmark

FP32 (float)

Radeon E8870 +146%

1.536 TFLOPS

Radeon HD 8670M

0.624 TFLOPS

Radeon E8870

VS

Radeon HD 8670M

Graphics Card

Sep 2015

Release Date

Mar 2013

Embedded

Generation

Solar System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

925 MHz

-

Boost Clock

975 MHz

1500 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

96.00GB/s

Bandwidth

14.40GB/s

Render Config

12

Compute Units

5

-

768

Shading Units

320

48

TMUs

20

16

ROPs

8

-

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

-

1.536 TFLOPS

FP32 (float)

624.0 GFLOPS

96.00 GFLOPS

FP64 (double)

39.00 GFLOPS

Board Design

75W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Saturn

GPU Name

Sun

Saturn PRO

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

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.0

OpenCL

2.1 (1.2)

1.2

Vulkan

1.2.170

-

6.3

Shader Model

6.5 (5.1)

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