AMD Radeon HD 6850M vs AMD Radeon R7 M270

VS

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6850M and 2GB VRAM Radeon R7 M270 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6850M 's Advantages

416 additional rendering cores

AMD Radeon R7 M270 's Advantages

Released 3 years late

Boost Clock825MHz

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (28.80GB/s vs 25.60GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 6850M +70%

1.08 TFLOPS

Radeon R7 M270

0.633 TFLOPS

Radeon HD 6850M

VS

Radeon R7 M270

Graphics Card

Jan 2011

Release Date

Jan 2014

Vancouver

Generation

Gem System

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

725 MHz

-

Boost Clock

825 MHz

800 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

2GB

GDDR3

Memory Type

DDR3

128bit

Memory Bus

128bit

25.60GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

-

10

Compute Units

6

800

Shading Units

384

40

TMUs

24

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

Theoretical Performance

10.80 GPixel/s

Pixel Rate

6.600 GPixel/s

27.00 GTexel/s

Texture Rate

19.80 GTexel/s

-

FP16 (half)

-

1080 GFLOPS

FP32 (float)

633.6 GFLOPS

-

FP64 (double)

-

Graphics Processor

Granville

GPU Name

Opal

Granville PRO

GPU Variant

Opal XT

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.04 billion

Transistors

0.95 billion

166 mm²

Die Size

77 mm²

Board Design

50W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

-

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

2.1 (1.2)

N/A

Vulkan

1.2.170

-

CUDA

-

5.0

Shader Model

6.5 (5.1)

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