NVIDIA GeForce GT 650M Mac Edition vs AMD Radeon R9 M280X

VS

NVIDIA GeForce GT 650M Mac Edition

AMD Radeon R9 M280X

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 650M Mac Edition and 4GB VRAM Radeon R9 M280X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M280X 's Advantages

Released 2 years and 7 months late

Boost Clock1000MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (88.00GB/s vs 80.26GB/s)

512 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 650M Mac Edition

0.691 TFLOPS

Radeon R9 M280X +159%

1.792 TFLOPS

GeForce GT 650M Mac Edition

VS

Radeon R9 M280X

Graphics Card

Jul 2012

Release Date

Feb 2015

GeForce 600M

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

1000 MHz

1254 MHz

Memory Clock

1375 MHz

Memory

512MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

80.26GB/s

Bandwidth

88.00GB/s

Render Config

-

Compute Units

14

-

384

Shading Units

896

32

TMUs

56

16

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

7.200 GPixel/s

Pixel Rate

16.00 GPixel/s

28.80 GTexel/s

Texture Rate

56.00 GTexel/s

-

691.2 GFLOPS

FP32 (float)

1.792 TFLOPS

28.80 GFLOPS

FP64 (double)

112.0 GFLOPS

Board Design

45W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

GK107

GPU Name

Saturn

N13P-GT-W-A2

GPU Variant

Saturn XT (216-0843024)

Kepler

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

2.08 billion

118 mm²

Die Size

160 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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