AMD Radeon HD 8670A vs AMD Radeon E9550 MXM

VS

AMD Radeon HD 8670A

AMD Radeon E9550 MXM

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670A and 8GB VRAM Radeon E9550 MXM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8670A 's Advantages

Lower TDP (45W vs 95W)

AMD Radeon E9550 MXM 's Advantages

Released 3 years and 7 months late

Boost Clock1266MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 16.00GB/s)

1920 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8670A

0.461 TFLOPS

Radeon E9550 MXM +1165%

5.834 TFLOPS

Radeon HD 8670A

VS

Radeon E9550 MXM

Graphics Card

Feb 2013

Release Date

Sep 2016

All-In-One

Generation

Embedded

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

1120 MHz

-

Boost Clock

1266 MHz

1000 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

8GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

16.00GB/s

Bandwidth

160.0GB/s

Render Config

6

Compute Units

36

-

384

Shading Units

2304

24

TMUs

144

8

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

2 MB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

40.51 GPixel/s

14.40 GTexel/s

Texture Rate

182.3 GTexel/s

-

FP16 (half)

5.834 TFLOPS

460.8 GFLOPS

FP32 (float)

5.834 TFLOPS

28.80 GFLOPS

FP64 (double)

364.6 GFLOPS

Board Design

45W

TDP

95W

-

No outputs

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

-

Power Connectors

None

Graphics Processor

Mars

GPU Name

Ellesmere

Mars XT

GPU Variant

Ellesmere XT

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

0.95 billion

Transistors

5.7 billion

77 mm²

Die Size

232 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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