NVIDIA GeForce GTX 880M vs NVIDIA GeForce GTX 850A

VS

NVIDIA GeForce GTX 880M

NVIDIA GeForce GTX 850A

We compared two Mobile platform GPUs: 8GB VRAM GeForce GTX 880M 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 GTX 880M 's Advantages

Boost Clock has increased by 6% (993MHz vs 936MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (160.0GB/s vs 28.80GB/s)

896 additional rendering cores

NVIDIA GeForce GTX 850A 's Advantages

Lower TDP (45W vs 122W)

Score

Benchmark

FP32 (float)

GeForce GTX 880M +154%

3.05 TFLOPS

GeForce GTX 850A

1.198 TFLOPS

GeForce GTX 880M

VS

GeForce GTX 850A

Graphics Card

Mar 2014

Release Date

Mar 2014

GeForce 800M

Generation

GeForce 800A

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

954 MHz

Base Clock

902 MHz

993 MHz

Boost Clock

936 MHz

1250 MHz

Memory Clock

900 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

28.80GB/s

Render Config

-

1536

Shading Units

640

128

TMUs

40

32

ROPs

16

-

16 KB (per SMX)

L1 Cache

64 KB (per SMM)

512 KB

L2 Cache

2 MB

-

Theoretical Performance

31.78 GPixel/s

Pixel Rate

14.98 GPixel/s

127.1 GTexel/s

Texture Rate

37.44 GTexel/s

-

3.050 TFLOPS

FP32 (float)

1198 GFLOPS

127.1 GFLOPS

FP64 (double)

37.44 GFLOPS

Board Design

122W

TDP

45W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GK104

GPU Name

GM107

N15E-GX-A2

GPU Variant

N15P-GT-A1

Kepler

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

1.87 billion

294 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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