AMD Radeon E9550 MXM vs AMD Radeon HD 6490M Mac Edition

VS

AMD Radeon E9550 MXM

AMD Radeon HD 6490M Mac Edition

We compared two Mobile platform GPUs: 8GB VRAM Radeon E9550 MXM and 256MB VRAM Radeon HD 6490M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E9550 MXM 's Advantages

Released 5 years and 4 months late

Boost Clock1266MHz

More VRAM (8GB vs 256GB)

Larger VRAM bandwidth (160.0GB/s vs 25.41GB/s)

2144 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon E9550 MXM +2330%

5.834 TFLOPS

Radeon HD 6490M Mac Edition

0.24 TFLOPS

Radeon E9550 MXM

VS

Radeon HD 6490M Mac Edition

Graphics Card

Sep 2016

Release Date

May 2011

Embedded

Generation

Vancouver

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

1120 MHz

Base Clock

-

1266 MHz

Boost Clock

-

1250 MHz

Memory Clock

794 MHz

Memory

8GB

Memory Size

256MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

160.0GB/s

Bandwidth

25.41GB/s

Render Config

36

Compute Units

2

-

2304

Shading Units

160

144

TMUs

8

32

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

128 KB

-

Theoretical Performance

40.51 GPixel/s

Pixel Rate

3.000 GPixel/s

182.3 GTexel/s

Texture Rate

6.000 GTexel/s

5.834 TFLOPS

FP16 (half)

-

5.834 TFLOPS

FP32 (float)

240.0 GFLOPS

364.6 GFLOPS

FP64 (double)

-

Board Design

95W

TDP

Unknown

-

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Ellesmere

GPU Name

Seymour

Ellesmere XT

GPU Variant

Seymour XTX M2 (216-0809000)

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

5.7 billion

Transistors

0.37 billion

232 mm²

Die Size

67 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

Vulkan

N/A

-

6.4

Shader Model

5.0

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