AMD Radeon HD 8670M vs AMD Radeon E9550 MXM

VS

AMD Radeon HD 8670M AMD Radeon E9550 MXM

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670M 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 E9550 MXM 's Advantages

Released 3 years and 6 months late

Boost Clock has increased by 30% (1266MHz vs 975MHz)

More VRAM (8GB vs 1GB)

Larger VRAM bandwidth (160.0GB/s vs 14.40GB/s)

1984 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8670M

0.624 TFLOPS

Radeon E9550 MXM +834%

5.834 TFLOPS

Radeon HD 8670M

VS

Radeon E9550 MXM

Graphics Card

Mar 2013

Release Date

Sep 2016

Solar System

Generation

Embedded

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

925 MHz

Base Clock

1120 MHz

975 MHz

Boost Clock

1266 MHz

900 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

8GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

14.40GB/s

Bandwidth

160.0GB/s

Render Config

-

SM Count

-

5

Compute Units

36

320

Shading Units

2304

20

TMUs

144

8

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

2 MB

Theoretical Performance

7.800 GPixel/s

Pixel Rate

40.51 GPixel/s

19.50 GTexel/s

Texture Rate

182.3 GTexel/s

-

FP16 (half)

5.834 TFLOPS

624.0 GFLOPS

FP32 (float)

5.834 TFLOPS

39.00 GFLOPS

FP64 (double)

364.6 GFLOPS

Graphics Processor

Sun

GPU Name

Ellesmere

Sun S3 XT (216-0841009)

GPU Variant

Ellesmere XT

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

0.69 billion

Transistors

5.7 billion

56 mm²

Die Size

232 mm²

Board Design

Unknown

TDP

95W

-

Suggested PSU

-

Portable Device Dependent

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

-

Power Connectors

None

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

-

CUDA

-

6.5 (5.1)

Shader Model

6.4

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