NVIDIA GeForce GT 650M Mac Edition vs AMD Radeon HD 8950M

VS

NVIDIA GeForce GT 650M Mac Edition

AMD Radeon HD 8950M

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 650M Mac Edition and 2GB VRAM Radeon HD 8950M 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

Lower TDP (45W vs 100W)

AMD Radeon HD 8950M 's Advantages

Released 10 months late

More VRAM (2GB vs 512GB)

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

384 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 650M Mac Edition

0.691 TFLOPS

Radeon HD 8950M +138%

1.651 TFLOPS

GeForce GT 650M Mac Edition

VS

Radeon HD 8950M

Graphics Card

Jul 2012

Release Date

May 2013

GeForce 600M

Generation

Solar System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1254 MHz

Memory Clock

1375 MHz

Memory

512MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

80.26GB/s

Bandwidth

88.00GB/s

Render Config

-

Compute Units

12

-

384

Shading Units

768

32

TMUs

48

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

17.20 GPixel/s

28.80 GTexel/s

Texture Rate

51.60 GTexel/s

-

691.2 GFLOPS

FP32 (float)

1.651 TFLOPS

28.80 GFLOPS

FP64 (double)

103.2 GFLOPS

Board Design

45W

TDP

100W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK107

GPU Name

Saturn

N13P-GT-W-A2

GPU Variant

Saturn XT

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

2.0

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

6.3

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