ATI Mobility Radeon HD 3650 vs NVIDIA GeForce GT 645M

VS

ATI Mobility Radeon HD 3650 NVIDIA GeForce GT 645M

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 3650 and 2GB VRAM GeForce GT 645M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 645M 's Advantages

Released 4 years and 9 months late

Larger VRAM bandwidth (28.80GB/s vs 22.40GB/s)

264 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3650

0.12 TFLOPS

GeForce GT 645M +353%

0.544 TFLOPS

Mobility Radeon HD 3650

VS

GeForce GT 645M

Graphics Card

Jan 2008

Release Date

Oct 2012

M8x

Generation

GeForce 600M

Mobile

Type

Mobile

MXM-II

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

700 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

DDR3

128bit

Memory Bus

128bit

22.40GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

-

3

Compute Units

-

120

Shading Units

384

8

TMUs

32

4

ROPs

16

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per SMX)

128 KB

L2 Cache

256 KB

Theoretical Performance

2.000 GPixel/s

Pixel Rate

5.672 GPixel/s

4.000 GTexel/s

Texture Rate

22.69 GTexel/s

-

FP16 (half)

-

120.0 GFLOPS

FP32 (float)

544.5 GFLOPS

-

FP64 (double)

22.69 GFLOPS

Graphics Processor

M86

GPU Name

GK107

M86-ME (216-0683013)

GPU Variant

N13P-GS

TeraScale

Architecture

Kepler

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.378 billion

Transistors

1.27 billion

135 mm²

Die Size

118 mm²

Board Design

Unknown

TDP

32W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

-

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

4.1

Shader Model

5.1

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