AMD Radeon HD 6650M vs NVIDIA GeForce GTX 780M

VS

AMD Radeon HD 6650M

NVIDIA GeForce GTX 780M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6650M and 4GB VRAM GeForce GTX 780M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 780M 's Advantages

Released 2 years and 4 months late

Boost Clock797MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 25.60GB/s)

1056 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6650M

0.576 TFLOPS

GeForce GTX 780M +325%

2.448 TFLOPS

Radeon HD 6650M

VS

GeForce GTX 780M

Graphics Card

Jan 2011

Release Date

May 2013

Vancouver

Generation

GeForce 700M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

771 MHz

-

Boost Clock

797 MHz

800 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

4GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

25.60GB/s

Bandwidth

160.0GB/s

Render Config

6

Compute Units

-

480

Shading Units

1536

24

TMUs

128

8

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

25.50 GPixel/s

14.40 GTexel/s

Texture Rate

102.0 GTexel/s

-

576.0 GFLOPS

FP32 (float)

2.448 TFLOPS

-

FP64 (double)

102.0 GFLOPS

Board Design

Unknown

TDP

122W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Whistler

GPU Name

GK104

Whistler LE (216-0810028)

GPU Variant

N14E-GTX-A2

TeraScale 2

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

3.54 billion

118 mm²

Die Size

294 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

5.0

Shader Model

5.1

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