NVIDIA GeForce 800A vs NVIDIA GeForce GT 755M

VS

NVIDIA GeForce 800A

NVIDIA GeForce GT 755M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 800A and 2GB VRAM GeForce GT 755M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 800A 's Advantages

Released 9 months late

Lower TDP (15W vs 50W)

NVIDIA GeForce GT 755M 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (86.40GB/s vs 14.40GB/s)

336 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 800A

0.091 TFLOPS

GeForce GT 755M +727%

0.753 TFLOPS

GeForce 800A

VS

GeForce GT 755M

Graphics Card

Mar 2014

Release Date

Jun 2013

GeForce 800A

Generation

GeForce 700M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1350 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

86.40GB/s

Render Config

-

1

SM Count

-

48

Shading Units

384

8

TMUs

32

4

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

950.0 MPixel/s

Pixel Rate

7.840 GPixel/s

3.800 GTexel/s

Texture Rate

31.36 GTexel/s

-

91.20 GFLOPS

FP32 (float)

752.6 GFLOPS

7.600 GFLOPS

FP64 (double)

31.36 GFLOPS

Board Design

15W

TDP

50W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF119

GPU Name

GK107

-

GPU Variant

GT 755M

Fermi 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.292 billion

Transistors

1.27 billion

79 mm²

Die Size

118 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

2.1

CUDA

3.0

5.1

Shader Model

5.1

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