AMD Radeon HD 6650A vs NVIDIA GeForce GTX 860M

VS

AMD Radeon HD 6650A

NVIDIA GeForce GTX 860M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6650A and 4GB VRAM GeForce GTX 860M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6650A 's Advantages

Lower TDP (45W vs 75W)

NVIDIA GeForce GTX 860M 's Advantages

Released 2 years and 9 months late

Boost Clock1085MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (80.19GB/s vs 28.80GB/s)

160 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6650A

0.576 TFLOPS

GeForce GTX 860M +141%

1.389 TFLOPS

Radeon HD 6650A

VS

GeForce GTX 860M

Graphics Card

Apr 2011

Release Date

Jan 2014

All-In-One

Generation

GeForce 800M

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

1020 MHz

-

Boost Clock

1085 MHz

900 MHz

Memory Clock

1253 MHz

Memory

1024MB

Memory Size

4GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

80.19GB/s

Render Config

6

Compute Units

-

480

Shading Units

640

24

TMUs

40

8

ROPs

16

-

8 KB (per CU)

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

17.36 GPixel/s

14.40 GTexel/s

Texture Rate

43.40 GTexel/s

-

576.0 GFLOPS

FP32 (float)

1389 GFLOPS

-

FP64 (double)

43.40 GFLOPS

Board Design

45W

TDP

75W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Onega

GPU Name

GM107

-

GPU Variant

N15P-GX-A1

TeraScale 2

Architecture

Maxwell

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

1.87 billion

118 mm²

Die Size

148 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

5.0

Shader Model

5.1

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