NVIDIA GeForce GT 650M Mac Edition vs AMD Radeon HD 8870M

VS

NVIDIA GeForce GT 650M Mac Edition

AMD Radeon HD 8870M

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 650M Mac Edition and 2GB VRAM Radeon HD 8870M 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 72.00GB/s)

AMD Radeon HD 8870M 's Advantages

Released 9 months late

Boost Clock775MHz

More VRAM (2GB vs 512GB)

256 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 650M Mac Edition

0.691 TFLOPS

Radeon HD 8870M +43%

0.992 TFLOPS

GeForce GT 650M Mac Edition

VS

Radeon HD 8870M

Graphics Card

Jul 2012

Release Date

Apr 2013

GeForce 600M

Generation

Solar System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

725 MHz

-

Boost Clock

775 MHz

1254 MHz

Memory Clock

1125 MHz

Memory

512MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

80.26GB/s

Bandwidth

72.00GB/s

Render Config

-

Compute Units

10

-

384

Shading Units

640

32

TMUs

40

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

12.40 GPixel/s

28.80 GTexel/s

Texture Rate

31.00 GTexel/s

-

691.2 GFLOPS

FP32 (float)

992.0 GFLOPS

28.80 GFLOPS

FP64 (double)

62.00 GFLOPS

Board Design

45W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

GK107

GPU Name

Venus

N13P-GT-W-A2

GPU Variant

Venus XT (216-0846000)

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

1.5 billion

118 mm²

Die Size

123 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

2.1 (1.2)

1.1

Vulkan

1.2.170

3.0

CUDA

-

5.1

Shader Model

6.5 (5.1)

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