NVIDIA GeForce GT 650M Mac Edition vs AMD Radeon R7 M445

VS

NVIDIA GeForce GT 650M Mac Edition

AMD Radeon R7 M445

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 650M Mac Edition and 4GB VRAM Radeon R7 M445 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 650M Mac Edition 's Advantages

Larger VRAM bandwidth (80.26GB/s vs 32.00GB/s)

64 additional rendering cores

AMD Radeon R7 M445 's Advantages

Released 3 years and 10 months late

Boost Clock920MHz

More VRAM (4GB vs 512GB)

Score

Benchmark

FP32 (float)

GeForce GT 650M Mac Edition +17%

0.691 TFLOPS

Radeon R7 M445

0.588 TFLOPS

GeForce GT 650M Mac Edition

VS

Radeon R7 M445

Graphics Card

Jul 2012

Release Date

May 2016

GeForce 600M

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

780 MHz

-

Boost Clock

920 MHz

1254 MHz

Memory Clock

1000 MHz

Memory

512MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

64bit

80.26GB/s

Bandwidth

32.00GB/s

Render Config

-

Compute Units

5

-

384

Shading Units

320

32

TMUs

20

16

ROPs

8

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

7.200 GPixel/s

Pixel Rate

7.360 GPixel/s

28.80 GTexel/s

Texture Rate

18.40 GTexel/s

-

FP16 (half)

588.8 GFLOPS

691.2 GFLOPS

FP32 (float)

588.8 GFLOPS

28.80 GFLOPS

FP64 (double)

36.80 GFLOPS

Board Design

45W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

GK107

GPU Name

Meso

N13P-GT-W-A2

GPU Variant

Meso PRO (216-0864032)

Kepler

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

1.55 billion

118 mm²

Die Size

125 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.2.170

3.0

CUDA

-

5.1

Shader Model

6.5

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