NVIDIA GeForce GT 650M Mac Edition vs ATI Mobility Radeon HD 4870

VS

NVIDIA GeForce GT 650M Mac Edition

ATI Mobility Radeon HD 4870

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 650M Mac Edition and 512MB VRAM Mobility Radeon HD 4870 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

Released 3 years and 6 months late

Larger VRAM bandwidth (80.26GB/s vs 56.83GB/s)

ATI Mobility Radeon HD 4870 's Advantages

416 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 650M Mac Edition

0.691 TFLOPS

Mobility Radeon HD 4870 +27%

0.88 TFLOPS

GeForce GT 650M Mac Edition

VS

Mobility Radeon HD 4870

Graphics Card

Jul 2012

Release Date

Jan 2009

GeForce 600M

Generation

M9x

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1254 MHz

Memory Clock

888 MHz

Memory

512MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

256bit

80.26GB/s

Bandwidth

56.83GB/s

Render Config

-

Compute Units

10

-

384

Shading Units

800

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

8.800 GPixel/s

28.80 GTexel/s

Texture Rate

22.00 GTexel/s

-

691.2 GFLOPS

FP32 (float)

880.0 GFLOPS

28.80 GFLOPS

FP64 (double)

176.0 GFLOPS

Board Design

45W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

GK107

GPU Name

M98

N13P-GT-W-A2

GPU Variant

M98 XT L2 (216-0732023)

Kepler

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

1.27 billion

Transistors

0.956 billion

118 mm²

Die Size

256 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

4.1

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