AMD Radeon R5 A320 vs AMD Radeon E8870

VS

AMD Radeon R5 A320

AMD Radeon E8870

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R5 A320 and 4GB VRAM Radeon E8870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 A320 's Advantages

Boost Clock825MHz

AMD Radeon E8870 's Advantages

Released 8 months late

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (96.00GB/s vs 16.00GB/s)

448 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 A320

0.528 TFLOPS

Radeon E8870 +190%

1.536 TFLOPS

Radeon R5 A320

VS

Radeon E8870

Graphics Card

Jan 2015

Release Date

Sep 2015

All-In-One

Generation

Embedded

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

750 MHz

Base Clock

-

825 MHz

Boost Clock

-

1000 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

4GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

16.00GB/s

Bandwidth

96.00GB/s

Render Config

5

Compute Units

12

-

320

Shading Units

768

20

TMUs

48

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

6.600 GPixel/s

Pixel Rate

16.00 GPixel/s

16.50 GTexel/s

Texture Rate

48.00 GTexel/s

-

528.0 GFLOPS

FP32 (float)

1.536 TFLOPS

-

FP64 (double)

96.00 GFLOPS

Board Design

Unknown

TDP

75W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Jet

GPU Name

Saturn

Jet PRO (216-0856040)

GPU Variant

Saturn PRO

GCN 1.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.69 billion

Transistors

2.08 billion

56 mm²

Die Size

160 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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