AMD Radeon E9171 MCM vs AMD Radeon HD 6490M Mac Edition

VS

AMD Radeon E9171 MCM

AMD Radeon HD 6490M Mac Edition

We compared two Mobile platform GPUs: 4GB VRAM Radeon E9171 MCM 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 E9171 MCM 's Advantages

Released 6 years and 5 months late

Boost Clock1219MHz

More VRAM (4GB vs 256GB)

Larger VRAM bandwidth (96.00GB/s vs 25.41GB/s)

352 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon E9171 MCM +420%

1.248 TFLOPS

Radeon HD 6490M Mac Edition

0.24 TFLOPS

Radeon E9171 MCM

VS

Radeon HD 6490M Mac Edition

Graphics Card

Oct 2017

Release Date

May 2011

Embedded

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1124 MHz

Base Clock

-

1219 MHz

Boost Clock

-

1500 MHz

Memory Clock

794 MHz

Memory

4GB

Memory Size

256MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

64bit

96.00GB/s

Bandwidth

25.41GB/s

Render Config

8

Compute Units

2

-

512

Shading Units

160

32

TMUs

8

16

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

19.50 GPixel/s

Pixel Rate

3.000 GPixel/s

39.01 GTexel/s

Texture Rate

6.000 GTexel/s

1248 GFLOPS

FP16 (half)

-

1248 GFLOPS

FP32 (float)

240.0 GFLOPS

78.02 GFLOPS

FP64 (double)

-

Board Design

40W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Lexa

GPU Name

Seymour

Lexa MCM Pro

GPU Variant

Seymour XTX M2 (216-0809000)

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

2.2 billion

Transistors

0.37 billion

103 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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