AMD Radeon E9550 MXM vs AMD Radeon HD 7870M

VS

AMD Radeon E9550 MXM AMD Radeon HD 7870M

We compared two Mobile platform GPUs: 8GB VRAM Radeon E9550 MXM and 2GB VRAM Radeon HD 7870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E9550 MXM 's Advantages

Released 4 years and 5 months late

Boost Clock1266MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (160.0GB/s vs 64.00GB/s)

1664 additional rendering cores

AMD Radeon HD 7870M 's Advantages

Lower TDP (45W vs 95W)

Score

Benchmark

FP32 (float)

Radeon E9550 MXM +469%

5.834 TFLOPS

Radeon HD 7870M

1.024 TFLOPS

Radeon E9550 MXM

VS

Radeon HD 7870M

Graphics Card

Sep 2016

Release Date

Apr 2012

Embedded

Generation

London

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

1120 MHz

Base Clock

-

1266 MHz

Boost Clock

-

1250 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

-

36

Compute Units

10

2304

Shading Units

640

144

TMUs

40

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

Theoretical Performance

40.51 GPixel/s

Pixel Rate

12.80 GPixel/s

182.3 GTexel/s

Texture Rate

32.00 GTexel/s

5.834 TFLOPS

FP16 (half)

-

5.834 TFLOPS

FP32 (float)

1024 GFLOPS

364.6 GFLOPS

FP64 (double)

64.00 GFLOPS

Graphics Processor

Ellesmere

GPU Name

Heathrow

Ellesmere XT

GPU Variant

Heathrow XT (216-0835033)

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

1.5 billion

232 mm²

Die Size

123 mm²

Board Design

95W

TDP

45W

-

Suggested PSU

-

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

Vulkan

1.2

-

CUDA

-

6.4

Shader Model

5.1

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