AMD Radeon E9171 MCM vs AMD Radeon HD 6770M

VS

AMD Radeon E9171 MCM

AMD Radeon HD 6770M

We compared two Mobile platform GPUs: 4GB VRAM Radeon E9171 MCM and 1024MB VRAM Radeon HD 6770M 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 9 months late

Boost Clock1219MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (96.00GB/s vs 57.60GB/s)

32 additional rendering cores

AMD Radeon HD 6770M 's Advantages

Lower TDP (35W vs 40W)

Score

Benchmark

FP32 (float)

Radeon E9171 MCM +79%

1.248 TFLOPS

Radeon HD 6770M

0.696 TFLOPS

Radeon E9171 MCM

VS

Radeon HD 6770M

Graphics Card

Oct 2017

Release Date

Jan 2011

Embedded

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-A (3.0)

Clock Speeds

1124 MHz

Base Clock

-

1219 MHz

Boost Clock

-

1500 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

96.00GB/s

Bandwidth

57.60GB/s

Render Config

8

Compute Units

6

-

512

Shading Units

480

32

TMUs

24

16

ROPs

8

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

19.50 GPixel/s

Pixel Rate

5.800 GPixel/s

39.01 GTexel/s

Texture Rate

17.40 GTexel/s

1248 GFLOPS

FP16 (half)

-

1248 GFLOPS

FP32 (float)

696.0 GFLOPS

78.02 GFLOPS

FP64 (double)

-

Board Design

40W

TDP

35W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Lexa

GPU Name

Whistler

Lexa MCM Pro

GPU Variant

Whistler XT (216-0810001)

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

2.2 billion

Transistors

0.716 billion

103 mm²

Die Size

104 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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