NVIDIA GeForce GT 755M Mac Edition vs NVIDIA GeForce GTX 850A

VS

NVIDIA GeForce GT 755M Mac Edition

NVIDIA GeForce GTX 850A

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 755M Mac Edition and 2GB VRAM GeForce GTX 850A 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

Larger VRAM bandwidth (80.00GB/s vs 28.80GB/s)

NVIDIA GeForce GTX 850A 's Advantages

Boost Clock936MHz

More VRAM (2GB vs 1024GB)

256 additional rendering cores

Lower TDP (45W vs 50W)

Score

Benchmark

FP32 (float)

GeForce GT 755M Mac Edition

0.833 TFLOPS

GeForce GTX 850A +43%

1.198 TFLOPS

GeForce GT 755M Mac Edition

VS

GeForce GTX 850A

Graphics Card

Nov 2013

Release Date

Mar 2014

GeForce 700M

Generation

GeForce 800A

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

902 MHz

-

Boost Clock

936 MHz

1250 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

80.00GB/s

Bandwidth

28.80GB/s

Render Config

-

384

Shading Units

640

32

TMUs

40

16

ROPs

16

-

16 KB (per SMX)

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

8.680 GPixel/s

Pixel Rate

14.98 GPixel/s

34.72 GTexel/s

Texture Rate

37.44 GTexel/s

-

833.3 GFLOPS

FP32 (float)

1198 GFLOPS

34.72 GFLOPS

FP64 (double)

37.44 GFLOPS

Board Design

50W

TDP

45W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK107

GPU Name

GM107

GT 755M

GPU Variant

N15P-GT-A1

Kepler

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

1.87 billion

118 mm²

Die Size

148 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.0

CUDA

5.0

5.1

Shader Model

5.1

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