NVIDIA GeForce GT 755M Mac Edition vs ATI Mobility Radeon HD 3870

VS

NVIDIA GeForce GT 755M Mac Edition

ATI Mobility Radeon HD 3870

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 755M Mac Edition and 512MB VRAM Mobility Radeon HD 3870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 755M Mac Edition 's Advantages

Released 5 years and 5 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (80.00GB/s vs 54.40GB/s)

64 additional rendering cores

Lower TDP (50W vs 55W)

Score

Benchmark

FP32 (float)

GeForce GT 755M Mac Edition +97%

0.833 TFLOPS

Mobility Radeon HD 3870

0.422 TFLOPS

GeForce GT 755M Mac Edition

VS

Mobility Radeon HD 3870

Graphics Card

Nov 2013

Release Date

Jun 2008

GeForce 700M

Generation

M8x

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

850 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

256bit

80.00GB/s

Bandwidth

54.40GB/s

Render Config

-

Compute Units

4

-

384

Shading Units

320

32

TMUs

16

ROPs

16

-

16 KB (per SMX)

L1 Cache

-

256 KB

L2 Cache

256 KB

-

Theoretical Performance

8.680 GPixel/s

Pixel Rate

10.56 GPixel/s

34.72 GTexel/s

Texture Rate

10.56 GTexel/s

-

833.3 GFLOPS

FP32 (float)

422.4 GFLOPS

34.72 GFLOPS

FP64 (double)

84.48 GFLOPS

Board Design

50W

TDP

55W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK107

GPU Name

M88

GT 755M

GPU Variant

-

Kepler

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

1.27 billion

Transistors

0.666 billion

118 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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