AMD Radeon E8860 vs AMD Radeon HD 6490M Mac Edition

VS

AMD Radeon E8860

AMD Radeon HD 6490M Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM Radeon E8860 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 E8860 's Advantages

Released 2 years and 8 months late

Boost Clock625MHz

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (72.00GB/s vs 25.41GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon E8860 +233%

0.8 TFLOPS

Radeon HD 6490M Mac Edition

0.24 TFLOPS

Radeon E8860

VS

Radeon HD 6490M Mac Edition

Graphics Card

Jan 2014

Release Date

May 2011

Embedded

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

575 MHz

Base Clock

-

625 MHz

Boost Clock

-

1125 MHz

Memory Clock

794 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

64bit

72.00GB/s

Bandwidth

25.41GB/s

Render Config

10

Compute Units

2

-

640

Shading Units

160

40

TMUs

8

16

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

10.00 GPixel/s

Pixel Rate

3.000 GPixel/s

25.00 GTexel/s

Texture Rate

6.000 GTexel/s

-

800.0 GFLOPS

FP32 (float)

240.0 GFLOPS

50.00 GFLOPS

FP64 (double)

-

Board Design

37W

TDP

Unknown

-

1x VGA

Outputs

Portable Device Dependent

1x 6-pin + 1x 8-pin

Power Connectors

-

Graphics Processor

Venus

GPU Name

Seymour

Venus MCM

GPU Variant

Seymour XTX M2 (216-0809000)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.5 billion

Transistors

0.37 billion

123 mm²

Die Size

67 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1 (1.2)

OpenCL

1.2

1.2.170

Vulkan

N/A

-

6.5 (5.1)

Shader Model

5.0

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