AMD Radeon R9 M290X Mac Edition vs AMD Radeon HD 8850M

VS

AMD Radeon R9 M290X Mac Edition

AMD Radeon HD 8850M

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M290X Mac Edition and 2GB VRAM Radeon HD 8850M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M290X Mac Edition 's Advantages

Released 1 years and 7 months late

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

Larger VRAM bandwidth (174.7GB/s vs 64.00GB/s)

384 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M290X Mac Edition +149%

1.997 TFLOPS

Radeon HD 8850M

0.8 TFLOPS

Radeon R9 M290X Mac Edition

VS

Radeon HD 8850M

Graphics Card

Nov 2014

Release Date

Apr 2013

Crystal System

Generation

Solar System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

850 MHz

Base Clock

575 MHz

975 MHz

Boost Clock

625 MHz

1365 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

174.7GB/s

Bandwidth

64.00GB/s

Render Config

16

Compute Units

10

-

1024

Shading Units

640

64

TMUs

40

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

31.20 GPixel/s

Pixel Rate

10.00 GPixel/s

62.40 GTexel/s

Texture Rate

25.00 GTexel/s

-

1.997 TFLOPS

FP32 (float)

800.0 GFLOPS

124.8 GFLOPS

FP64 (double)

50.00 GFLOPS

Board Design

80W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Pitcairn

GPU Name

Venus

Pitcairn PRO (215-0828062)

GPU Variant

Venus PRO (216-0846009)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

1.5 billion

212 mm²

Die Size

123 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.2

OpenCL

2.1 (1.2)

1.2

Vulkan

1.2.170

-

5.1

Shader Model

6.5 (5.1)

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