AMD Radeon HD 8870M vs AMD Radeon E9174 MXM

VS

AMD Radeon HD 8870M

AMD Radeon E9174 MXM

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8870M and 4GB VRAM Radeon E9174 MXM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8870M 's Advantages

128 additional rendering cores

AMD Radeon E9174 MXM 's Advantages

Released 4 years and 6 months late

Boost Clock has increased by 57% (1219MHz vs 775MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (96.00GB/s vs 72.00GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 8870M

0.992 TFLOPS

Radeon E9174 MXM +25%

1.248 TFLOPS

Radeon HD 8870M

VS

Radeon E9174 MXM

Graphics Card

Apr 2013

Release Date

Oct 2017

Solar System

Generation

Embedded

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

725 MHz

Base Clock

1124 MHz

775 MHz

Boost Clock

1219 MHz

1125 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

72.00GB/s

Bandwidth

96.00GB/s

Render Config

10

Compute Units

8

-

640

Shading Units

512

40

TMUs

32

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

12.40 GPixel/s

Pixel Rate

19.50 GPixel/s

31.00 GTexel/s

Texture Rate

39.01 GTexel/s

-

FP16 (half)

1248 GFLOPS

992.0 GFLOPS

FP32 (float)

1248 GFLOPS

62.00 GFLOPS

FP64 (double)

78.02 GFLOPS

Board Design

Unknown

TDP

50W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Venus

GPU Name

Lexa

Venus XT (216-0846000)

GPU Variant

E9170

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

1.5 billion

Transistors

2.2 billion

123 mm²

Die Size

103 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

2.1

1.2.170

Vulkan

1.2

-

6.5 (5.1)

Shader Model

6.4

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