NVIDIA GeForce GTX 770M vs NVIDIA GeForce GTX 660M

VS

NVIDIA GeForce GTX 770M NVIDIA GeForce GTX 660M

We compared two Mobile platform GPUs: 3GB VRAM GeForce GTX 770M and 1024MB VRAM GeForce GTX 660M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 770M 's Advantages

Released 1 years and 2 months late

More VRAM (3GB vs 1GB)

Larger VRAM bandwidth (96.19GB/s vs 64.00GB/s)

576 additional rendering cores

NVIDIA GeForce GTX 660M 's Advantages

Boost Clock has increased by 19% (950MHz vs 797MHz)

Lower TDP (50W vs 75W)

Score

Benchmark

FP32 (float)

GeForce GTX 770M +109%

1.53 TFLOPS

GeForce GTX 660M

0.73 TFLOPS

GeForce GTX 770M

VS

GeForce GTX 660M

Graphics Card

May 2013

Release Date

Mar 2012

GeForce 700M

Generation

GeForce 600M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

706 MHz

Base Clock

835 MHz

797 MHz

Boost Clock

950 MHz

1002 MHz

Memory Clock

1000 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

128bit

96.19GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

-

Compute Units

-

960

Shading Units

384

80

TMUs

32

24

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

384 KB

L2 Cache

256 KB

Theoretical Performance

15.94 GPixel/s

Pixel Rate

7.600 GPixel/s

63.76 GTexel/s

Texture Rate

30.40 GTexel/s

-

FP16 (half)

-

1.530 TFLOPS

FP32 (float)

729.6 GFLOPS

63.76 GFLOPS

FP64 (double)

30.40 GFLOPS

Graphics Processor

GK106

GPU Name

GK107

N14E-GS-A1

GPU Variant

N13E-GE-A2

Kepler

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.54 billion

Transistors

1.27 billion

221 mm²

Die Size

118 mm²

Board Design

75W

TDP

50W

-

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

1.1

3.0

CUDA

3.0

5.1

Shader Model

5.1

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