AMD Radeon HD 8770M vs ATI Radeon E4690 MXM

VS

AMD Radeon HD 8770M

ATI Radeon E4690 MXM

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8770M and 512MB VRAM Radeon E4690 MXM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8770M 's Advantages

Released 3 years and 10 months late

Boost Clock825MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (72.00GB/s vs 22.40GB/s)

64 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8770M +64%

0.633 TFLOPS

Radeon E4690 MXM

0.384 TFLOPS

Radeon HD 8770M

VS

Radeon E4690 MXM

Graphics Card

Apr 2013

Release Date

Jun 2009

Solar System

Generation

Embedded

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-II

Clock Speeds

775 MHz

Base Clock

-

825 MHz

Boost Clock

-

1125 MHz

Memory Clock

700 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

72.00GB/s

Bandwidth

22.40GB/s

Render Config

6

Compute Units

4

-

384

Shading Units

320

24

TMUs

32

8

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

6.600 GPixel/s

Pixel Rate

4.800 GPixel/s

19.80 GTexel/s

Texture Rate

19.20 GTexel/s

-

633.6 GFLOPS

FP32 (float)

384.0 GFLOPS

39.60 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

30W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Mars

GPU Name

RV730

Mars S3 XT (216-0842018)

GPU Variant

RV730 XT E4690 (215-0729055)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

0.95 billion

Transistors

0.514 billion

77 mm²

Die Size

146 mm²

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1 (1.2)

OpenCL

1.1

1.2.170

Vulkan

N/A

-

6.5 (5.1)

Shader Model

4.1

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