ATI Mobility Radeon HD 3650 vs AMD Radeon HD 6870M

VS

ATI Mobility Radeon HD 3650 AMD Radeon HD 6870M

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 3650 and 1024MB VRAM Radeon HD 6870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870M 's Advantages

Released 3 years late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (64.00GB/s vs 22.40GB/s)

680 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3650

0.12 TFLOPS

Radeon HD 6870M +800%

1.08 TFLOPS

Mobility Radeon HD 3650

VS

Radeon HD 6870M

Graphics Card

Jan 2008

Release Date

Jan 2011

M8x

Generation

Vancouver

Mobile

Type

Mobile

MXM-II

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

-

Boost Clock

-

700 MHz

Memory Clock

1000 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

22.40GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

-

3

Compute Units

10

120

Shading Units

800

8

TMUs

40

4

ROPs

16

-

Tensor Cores

-

RT Cores

-

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

256 KB

Theoretical Performance

2.000 GPixel/s

Pixel Rate

10.80 GPixel/s

4.000 GTexel/s

Texture Rate

27.00 GTexel/s

-

FP16 (half)

-

120.0 GFLOPS

FP32 (float)

1080 GFLOPS

-

FP64 (double)

-

Graphics Processor

M86

GPU Name

Granville

M86-ME (216-0683013)

GPU Variant

Granville XT (216-0769024)

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.378 billion

Transistors

1.04 billion

135 mm²

Die Size

166 mm²

Board Design

Unknown

TDP

50W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

-

Graphics Features

10.1 (10_1)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

CUDA

-

4.1

Shader Model

5.0

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