NVIDIA GeForce GT 650M Mac Edition vs AMD Radeon E8870

VS

NVIDIA GeForce GT 650M Mac Edition

AMD Radeon E8870

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 650M Mac Edition and 4GB VRAM Radeon E8870 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 75W)

AMD Radeon E8870 's Advantages

Released 3 years and 2 months late

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (96.00GB/s vs 80.26GB/s)

384 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 650M Mac Edition

0.691 TFLOPS

Radeon E8870 +122%

1.536 TFLOPS

GeForce GT 650M Mac Edition

VS

Radeon E8870

Graphics Card

Jul 2012

Release Date

Sep 2015

GeForce 600M

Generation

Embedded

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

1254 MHz

Memory Clock

1500 MHz

Memory

512MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

80.26GB/s

Bandwidth

96.00GB/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

16.00 GPixel/s

28.80 GTexel/s

Texture Rate

48.00 GTexel/s

-

691.2 GFLOPS

FP32 (float)

1.536 TFLOPS

28.80 GFLOPS

FP64 (double)

96.00 GFLOPS

Board Design

45W

TDP

75W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GK107

GPU Name

Saturn

N13P-GT-W-A2

GPU Variant

Saturn PRO

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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