AMD Radeon E8870 vs AMD Radeon E9171 MCM

VS

AMD Radeon E8870

AMD Radeon E9171 MCM

We compared two Mobile platform GPUs: 4GB VRAM Radeon E8870 and 4GB VRAM Radeon E9171 MCM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E8870 's Advantages

256 additional rendering cores

AMD Radeon E9171 MCM 's Advantages

Released 2 years and 1 months late

Boost Clock1219MHz

Lower TDP (40W vs 75W)

Score

Benchmark

FP32 (float)

Radeon E8870 +23%

1.536 TFLOPS

Radeon E9171 MCM

1.248 TFLOPS

Radeon E8870

VS

Radeon E9171 MCM

Graphics Card

Sep 2015

Release Date

Oct 2017

Embedded

Generation

Embedded

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1124 MHz

-

Boost Clock

1219 MHz

1500 MHz

Memory Clock

1500 MHz

Memory

4GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

96.00GB/s

Bandwidth

96.00GB/s

Render Config

12

Compute Units

8

-

768

Shading Units

512

48

TMUs

32

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

19.50 GPixel/s

48.00 GTexel/s

Texture Rate

39.01 GTexel/s

-

FP16 (half)

1248 GFLOPS

1.536 TFLOPS

FP32 (float)

1248 GFLOPS

96.00 GFLOPS

FP64 (double)

78.02 GFLOPS

Board Design

75W

TDP

40W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Saturn

GPU Name

Lexa

Saturn PRO

GPU Variant

Lexa MCM Pro

GCN 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

2.08 billion

Transistors

2.2 billion

160 mm²

Die Size

103 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.0

OpenCL

2.1

1.2

Vulkan

1.2

-

6.3

Shader Model

6.4

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