AMD Radeon E8860 vs AMD Radeon R9 M290X Mac Edition

VS

AMD Radeon E8860

AMD Radeon R9 M290X Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM Radeon E8860 and 2GB VRAM Radeon R9 M290X Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E8860 's Advantages

Lower TDP (37W vs 80W)

AMD Radeon R9 M290X Mac Edition 's Advantages

Released 10 months late

Boost Clock has increased by 56% (975MHz vs 625MHz)

Larger VRAM bandwidth (174.7GB/s vs 72.00GB/s)

384 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon E8860

0.8 TFLOPS

Radeon R9 M290X Mac Edition +149%

1.997 TFLOPS

Radeon E8860

VS

Radeon R9 M290X Mac Edition

Graphics Card

Jan 2014

Release Date

Nov 2014

Embedded

Generation

Crystal System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

575 MHz

Base Clock

850 MHz

625 MHz

Boost Clock

975 MHz

1125 MHz

Memory Clock

1365 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

72.00GB/s

Bandwidth

174.7GB/s

Render Config

10

Compute Units

16

-

640

Shading Units

1024

40

TMUs

64

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

10.00 GPixel/s

Pixel Rate

31.20 GPixel/s

25.00 GTexel/s

Texture Rate

62.40 GTexel/s

-

800.0 GFLOPS

FP32 (float)

1.997 TFLOPS

50.00 GFLOPS

FP64 (double)

124.8 GFLOPS

Board Design

37W

TDP

80W

-

1x VGA

Outputs

No outputs

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Venus

GPU Name

Pitcairn

Venus MCM

GPU Variant

Pitcairn PRO (215-0828062)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

2.8 billion

123 mm²

Die Size

212 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

1.2

1.2.170

Vulkan

1.2

-

6.5 (5.1)

Shader Model

5.1

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