AMD Radeon HD 6850M vs AMD Radeon Pro 580X

VS

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6850M and 8GB VRAM Radeon Pro 580X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6850M 's Advantages

Lower TDP (50W vs 185W)

AMD Radeon Pro 580X 's Advantages

Released 8 years and 2 months late

Boost Clock1200MHz

More VRAM (8GB vs 1GB)

Larger VRAM bandwidth (218.9GB/s vs 25.60GB/s)

1504 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6850M

1.08 TFLOPS

Radeon Pro 580X +412%

5.53 TFLOPS

Radeon HD 6850M

VS

Radeon Pro 580X

Graphics Card

Jan 2011

Release Date

Mar 2019

Vancouver

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1100 MHz

-

Boost Clock

1200 MHz

800 MHz

Memory Clock

1710 MHz

Memory

1024MB

Memory Size

8GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

25.60GB/s

Bandwidth

218.9GB/s

Render Config

-

SM Count

-

10

Compute Units

36

800

Shading Units

2304

40

TMUs

144

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

2 MB

Theoretical Performance

10.80 GPixel/s

Pixel Rate

38.40 GPixel/s

27.00 GTexel/s

Texture Rate

172.8 GTexel/s

-

FP16 (half)

5.530 TFLOPS

1080 GFLOPS

FP32 (float)

5.530 TFLOPS

-

FP64 (double)

345.6 GFLOPS

Graphics Processor

Granville

GPU Name

Ellesmere

Granville PRO

GPU Variant

Ellesmere XTA (216-0886220)

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

1.04 billion

Transistors

5.7 billion

166 mm²

Die Size

232 mm²

Board Design

50W

TDP

185W

-

Suggested PSU

-

No outputs

Outputs

2x HDMI 2.0b

-

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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