NVIDIA GeForce GT 755M Mac Edition vs ATI Mobility Radeon X1900

VS

NVIDIA GeForce GT 755M Mac Edition

ATI Mobility Radeon X1900

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 755M Mac Edition and 256MB VRAM Mobility Radeon X1900 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 6 years and 10 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (80.00GB/s vs 30.08GB/s)

384 additional rendering cores

Score

GeForce GT 755M Mac Edition

VS

Mobility Radeon X1900

Graphics Card

Nov 2013

Release Date

Jan 2007

GeForce 700M

Generation

M6x

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-III

Clock Speeds

-

1250 MHz

Memory Clock

470 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

256bit

80.00GB/s

Bandwidth

30.08GB/s

Render Config

-

384

Shading Units

-

32

TMUs

12

16

ROPs

12

-

16 KB (per SMX)

L1 Cache

-

256 KB

L2 Cache

-

Theoretical Performance

8.680 GPixel/s

Pixel Rate

4.800 GPixel/s

34.72 GTexel/s

Texture Rate

4.800 GTexel/s

-

833.3 GFLOPS

FP32 (float)

-

34.72 GFLOPS

FP64 (double)

-

Board Design

50W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

GK107

GPU Name

M68

GT 755M

GPU Variant

-

Kepler

Architecture

Ultra-Threaded SE

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

1.27 billion

Transistors

0.312 billion

118 mm²

Die Size

230 mm²

Graphics Features

12 (11_0)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1

3.0

OpenCL

N/A

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

3.0

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