NVIDIA GeForce GTX 770M vs NVIDIA GeForce GTX 850A

VS

NVIDIA GeForce GTX 770M NVIDIA GeForce GTX 850A

We compared two Mobile platform GPUs: 3GB VRAM GeForce GTX 770M 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 770M 's Advantages

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (96.19GB/s vs 28.80GB/s)

320 additional rendering cores

NVIDIA GeForce GTX 850A 's Advantages

Released 10 months late

Boost Clock has increased by 17% (936MHz vs 797MHz)

Lower TDP (45W vs 75W)

Score

Benchmark

FP32 (float)

GeForce GTX 770M +27%

1.53 TFLOPS

GeForce GTX 850A

1.198 TFLOPS

GeForce GTX 770M

VS

GeForce GTX 850A

Graphics Card

May 2013

Release Date

Mar 2014

GeForce 700M

Generation

GeForce 800A

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

706 MHz

Base Clock

902 MHz

797 MHz

Boost Clock

936 MHz

1002 MHz

Memory Clock

900 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

192bit

Memory Bus

128bit

96.19GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

-

Compute Units

-

960

Shading Units

640

80

TMUs

40

24

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

64 KB (per SMM)

384 KB

L2 Cache

2 MB

Theoretical Performance

15.94 GPixel/s

Pixel Rate

14.98 GPixel/s

63.76 GTexel/s

Texture Rate

37.44 GTexel/s

-

FP16 (half)

-

1.530 TFLOPS

FP32 (float)

1198 GFLOPS

63.76 GFLOPS

FP64 (double)

37.44 GFLOPS

Graphics Processor

GK106

GPU Name

GM107

N14E-GS-A1

GPU Variant

N15P-GT-A1

Kepler

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.54 billion

Transistors

1.87 billion

221 mm²

Die Size

148 mm²

Board Design

75W

TDP

45W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

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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