AMD Radeon HD 6850M vs AMD Radeon Pro 555

VS

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6850M and 2GB VRAM Radeon Pro 555 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6850M 's Advantages

32 additional rendering cores

Lower TDP (50W vs 75W)

AMD Radeon Pro 555 's Advantages

Released 6 years and 5 months late

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (81.60GB/s vs 25.60GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 6850M

1.08 TFLOPS

Radeon Pro 555 +20%

1.306 TFLOPS

Radeon HD 6850M

VS

Radeon Pro 555

Graphics Card

Jan 2011

Release Date

Jun 2017

Vancouver

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

-

Boost Clock

-

800 MHz

Memory Clock

1275 MHz

Memory

1024MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

25.60GB/s

Bandwidth

81.60GB/s

Render Config

-

SM Count

-

10

Compute Units

12

800

Shading Units

768

40

TMUs

48

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

1024 KB

Theoretical Performance

10.80 GPixel/s

Pixel Rate

13.60 GPixel/s

27.00 GTexel/s

Texture Rate

40.80 GTexel/s

-

FP16 (half)

1306 GFLOPS

1080 GFLOPS

FP32 (float)

1306 GFLOPS

-

FP64 (double)

81.60 GFLOPS

Graphics Processor

Granville

GPU Name

Polaris 21

Granville PRO

GPU Variant

Polaris 21 PRO

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

1.04 billion

Transistors

3 billion

166 mm²

Die Size

123 mm²

Board Design

50W

TDP

75W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.2

-

CUDA

-

5.0

Shader Model

6.4

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