AMD Radeon E9390 PCIe vs AMD Radeon HD 6770M Mac Edition

VS

AMD Radeon E9390 PCIe

AMD Radeon HD 6770M Mac Edition

We compared two Mobile platform GPUs: 8GB VRAM Radeon E9390 PCIe and 512MB VRAM Radeon HD 6770M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E9390 PCIe 's Advantages

Released 8 years and 9 months late

Boost Clock1089MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (160.0GB/s vs 57.60GB/s)

1312 additional rendering cores

AMD Radeon HD 6770M Mac Edition 's Advantages

Lower TDP (35W vs 75W)

Score

Benchmark

FP32 (float)

Radeon E9390 PCIe +460%

3.903 TFLOPS

Radeon HD 6770M Mac Edition

0.696 TFLOPS

Radeon E9390 PCIe

VS

Radeon HD 6770M Mac Edition

Graphics Card

Oct 2019

Release Date

Jan 2011

Embedded

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

713 MHz

Base Clock

-

1089 MHz

Boost Clock

-

1250 MHz

Memory Clock

900 MHz

Memory

8GB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

57.60GB/s

Render Config

28

Compute Units

6

-

1792

Shading Units

480

112

TMUs

24

32

ROPs

8

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

34.85 GPixel/s

Pixel Rate

5.800 GPixel/s

122.0 GTexel/s

Texture Rate

17.40 GTexel/s

3.903 TFLOPS

FP16 (half)

-

3.903 TFLOPS

FP32 (float)

696.0 GFLOPS

243.9 GFLOPS

FP64 (double)

-

Board Design

75W

TDP

35W

-

4x DisplayPort 1.4a

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Ellesmere

GPU Name

Whistler

-

GPU Variant

Whistler XT (216-0810001)

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

5.7 billion

Transistors

0.716 billion

232 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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