NVIDIA GeForce 805A vs NVIDIA GeForce GTX 775M Mac Edition

VS

NVIDIA GeForce 805A

NVIDIA GeForce GTX 775M Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 805A and 2GB VRAM GeForce GTX 775M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 805A 's Advantages

Released 8 months late

Boost Clock758MHz

Lower TDP (15W vs 100W)

NVIDIA GeForce GTX 775M Mac Edition 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 16.02GB/s)

1152 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 805A

0.291 TFLOPS

GeForce GTX 775M Mac Edition +636%

2.142 TFLOPS

GeForce 805A

VS

GeForce GTX 775M Mac Edition

Graphics Card

Jul 2014

Release Date

Nov 2013

GeForce 800A

Generation

GeForce 700M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

719 MHz

Base Clock

-

758 MHz

Boost Clock

-

1001 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

16.02GB/s

Bandwidth

160.0GB/s

Render Config

-

192

Shading Units

1344

16

TMUs

112

8

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

6.064 GPixel/s

Pixel Rate

22.32 GPixel/s

12.13 GTexel/s

Texture Rate

89.26 GTexel/s

-

291.1 GFLOPS

FP32 (float)

2.142 TFLOPS

12.13 GFLOPS

FP64 (double)

89.26 GFLOPS

Board Design

15W

TDP

100W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK208

GPU Name

GK104

-

GPU Variant

N13E-GTX-A2

Kepler 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.02 billion

Transistors

3.54 billion

87 mm²

Die Size

294 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.1

3.5

CUDA

3.0

5.1

Shader Model

5.1

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