AMD Radeon E8870 vs AMD Radeon R9 M385

VS

We compared two Mobile platform GPUs: 4GB VRAM Radeon E8870 and 4GB VRAM Radeon R9 M385 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E8870 's Advantages

Larger VRAM bandwidth (96.00GB/s vs 76.80GB/s)

AMD Radeon R9 M385 's Advantages

Boost Clock1000MHz

128 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon E8870

1.536 TFLOPS

Radeon R9 M385 +16%

1.792 TFLOPS

Radeon E8870

VS

Radeon R9 M385

Graphics Card

Sep 2015

Release Date

May 2015

Embedded

Generation

Gem System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

1000 MHz

1500 MHz

Memory Clock

1200 MHz

Memory

4GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

96.00GB/s

Bandwidth

76.80GB/s

Render Config

-

SM Count

-

12

Compute Units

14

768

Shading Units

896

48

TMUs

56

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

Theoretical Performance

16.00 GPixel/s

Pixel Rate

16.00 GPixel/s

48.00 GTexel/s

Texture Rate

56.00 GTexel/s

-

FP16 (half)

-

1.536 TFLOPS

FP32 (float)

1.792 TFLOPS

96.00 GFLOPS

FP64 (double)

112.0 GFLOPS

Graphics Processor

Saturn

GPU Name

Strato

Saturn PRO

GPU Variant

Strato XT

GCN 2.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

2.08 billion

160 mm²

Die Size

160 mm²

Board Design

75W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.0

OpenCL

2.1

1.2

Vulkan

1.2.170

-

CUDA

-

6.3

Shader Model

6.5

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