AMD Radeon E9173 PCIe vs AMD Radeon E8870

VS

AMD Radeon E9173 PCIe

AMD Radeon E8870

We compared two Mobile platform GPUs: 2GB VRAM Radeon E9173 PCIe and 4GB VRAM Radeon E8870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E9173 PCIe 's Advantages

Released 2 years and 1 months late

Boost Clock1219MHz

Lower TDP (35W vs 75W)

AMD Radeon E8870 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (96.00GB/s vs 48.00GB/s)

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon E9173 PCIe

1.248 TFLOPS

Radeon E8870 +23%

1.536 TFLOPS

Radeon E9173 PCIe

VS

Radeon E8870

Graphics Card

Oct 2017

Release Date

Sep 2015

Embedded

Generation

Embedded

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

1124 MHz

Base Clock

-

1219 MHz

Boost Clock

-

1500 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

48.00GB/s

Bandwidth

96.00GB/s

Render Config

8

Compute Units

12

-

512

Shading Units

768

32

TMUs

48

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

19.50 GPixel/s

Pixel Rate

16.00 GPixel/s

39.01 GTexel/s

Texture Rate

48.00 GTexel/s

1248 GFLOPS

FP16 (half)

-

1248 GFLOPS

FP32 (float)

1.536 TFLOPS

78.02 GFLOPS

FP64 (double)

96.00 GFLOPS

Board Design

35W

TDP

75W

-

1x DisplayPort 1.4a 2x mini-DisplayPort 1.4a

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Lexa

GPU Name

Saturn

E9170

GPU Variant

Saturn PRO

GCN 4.0

Architecture

GCN 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

2.08 billion

103 mm²

Die Size

160 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.2

Vulkan

1.2

-

6.4

Shader Model

6.3

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