NVIDIA GeForce GTX 775M Mac Edition vs ATI Mobility Radeon HD 3870 X2

VS

NVIDIA GeForce GTX 775M Mac Edition

ATI Mobility Radeon HD 3870 X2

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 775M Mac Edition and 512MB VRAM Mobility Radeon HD 3870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 775M Mac Edition 's Advantages

Released 5 years and 2 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (160.0GB/s vs 54.40GB/s)

1024 additional rendering cores

Lower TDP (100W vs 110W)

Score

Benchmark

FP32 (float)

GeForce GTX 775M Mac Edition +407%

2.142 TFLOPS

Mobility Radeon HD 3870 X2

0.422 TFLOPS

GeForce GTX 775M Mac Edition

VS

Mobility Radeon HD 3870 X2

Graphics Card

Nov 2013

Release Date

Sep 2008

GeForce 700M

Generation

M8x

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

850 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

160.0GB/s

Bandwidth

54.40GB/s

Render Config

-

Compute Units

4

-

1344

Shading Units

320

112

TMUs

16

32

ROPs

16

-

16 KB (per SMX)

L1 Cache

-

512 KB

L2 Cache

256 KB

-

Theoretical Performance

22.32 GPixel/s

Pixel Rate

10.56 GPixel/s

89.26 GTexel/s

Texture Rate

10.56 GTexel/s

-

2.142 TFLOPS

FP32 (float)

422.4 GFLOPS

89.26 GFLOPS

FP64 (double)

84.48 GFLOPS

Board Design

100W

TDP

110W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK104

GPU Name

M88

N13E-GTX-A2

GPU Variant

-

Kepler

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

3.54 billion

Transistors

0.666 billion

294 mm²

Die Size

192 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

N/A

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

4.1

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