AMD Radeon HD 8970M vs AMD Radeon E9172 MXM

VS

AMD Radeon HD 8970M

AMD Radeon E9172 MXM

We compared two Mobile platform GPUs: 4GB VRAM Radeon HD 8970M and 2GB VRAM Radeon E9172 MXM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8970M 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (153.6GB/s vs 48.00GB/s)

768 additional rendering cores

AMD Radeon E9172 MXM 's Advantages

Released 4 years and 5 months late

Boost Clock has increased by 35% (1219MHz vs 900MHz)

Lower TDP (35W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 8970M +84%

2.304 TFLOPS

Radeon E9172 MXM

1.248 TFLOPS

Radeon HD 8970M

VS

Radeon E9172 MXM

Graphics Card

May 2013

Release Date

Oct 2017

Solar System

Generation

Embedded

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

850 MHz

Base Clock

1124 MHz

900 MHz

Boost Clock

1219 MHz

1200 MHz

Memory Clock

1500 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

153.6GB/s

Bandwidth

48.00GB/s

Render Config

20

Compute Units

8

-

1280

Shading Units

512

80

TMUs

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

19.50 GPixel/s

72.00 GTexel/s

Texture Rate

39.01 GTexel/s

-

FP16 (half)

1248 GFLOPS

2.304 TFLOPS

FP32 (float)

1248 GFLOPS

144.0 GFLOPS

FP64 (double)

78.02 GFLOPS

Board Design

100W

TDP

35W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Neptune

GPU Name

Lexa

Neptune XT (216-0847000)

GPU Variant

E9170

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

2.8 billion

Transistors

2.2 billion

212 mm²

Die Size

103 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2

-

5.1

Shader Model

6.4

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