NVIDIA GeForce GTX 850A vs NVIDIA GeForce 800A

VS

NVIDIA GeForce GTX 850A

NVIDIA GeForce 800A

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 850A and 1024MB VRAM GeForce 800A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 850A 's Advantages

Boost Clock936MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (28.80GB/s vs 14.40GB/s)

592 additional rendering cores

NVIDIA GeForce 800A 's Advantages

Lower TDP (15W vs 45W)

Score

Benchmark

FP32 (float)

GeForce GTX 850A +1216%

1.198 TFLOPS

GeForce 800A

0.091 TFLOPS

GeForce GTX 850A

VS

GeForce 800A

Graphics Card

Mar 2014

Release Date

Mar 2014

GeForce 800A

Generation

GeForce 800A

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

902 MHz

Base Clock

-

936 MHz

Boost Clock

-

900 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

1

640

Shading Units

48

40

TMUs

8

16

ROPs

4

-

64 KB (per SMM)

L1 Cache

64 KB (per SM)

2 MB

L2 Cache

128 KB

-

Theoretical Performance

14.98 GPixel/s

Pixel Rate

950.0 MPixel/s

37.44 GTexel/s

Texture Rate

3.800 GTexel/s

-

1198 GFLOPS

FP32 (float)

91.20 GFLOPS

37.44 GFLOPS

FP64 (double)

7.600 GFLOPS

Board Design

45W

TDP

15W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GM107

GPU Name

GF119

N15P-GT-A1

GPU Variant

-

Maxwell

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.87 billion

Transistors

0.292 billion

148 mm²

Die Size

79 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

1.3

Vulkan

N/A

5.0

CUDA

2.1

5.1

Shader Model

5.1

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