NVIDIA GeForce GTX 770M vs NVIDIA GeForce GT 640M

VS

NVIDIA GeForce GTX 770M

NVIDIA GeForce GT 640M

We compared two Mobile platform GPUs: 3GB VRAM GeForce GTX 770M and 2GB VRAM GeForce GT 640M 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

Boost Clock797MHz

More VRAM (3GB vs 2GB)

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

576 additional rendering cores

NVIDIA GeForce GT 640M 's Advantages

Lower TDP (32W vs 75W)

Score

Benchmark

FP32 (float)

GeForce GTX 770M +218%

1.53 TFLOPS

GeForce GT 640M

0.48 TFLOPS

GeForce GTX 770M

VS

GeForce GT 640M

Graphics Card

May 2013

Release Date

Mar 2012

GeForce 700M

Generation

GeForce 600M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

706 MHz

Base Clock

-

797 MHz

Boost Clock

-

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

-

960

Shading Units

384

80

TMUs

32

24

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

384 KB

L2 Cache

256 KB

-

Theoretical Performance

15.94 GPixel/s

Pixel Rate

5.000 GPixel/s

63.76 GTexel/s

Texture Rate

20.00 GTexel/s

-

1.530 TFLOPS

FP32 (float)

480.0 GFLOPS

63.76 GFLOPS

FP64 (double)

20.00 GFLOPS

Board Design

75W

TDP

32W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GK106

GPU Name

GK107

N14E-GS-A1

GPU Variant

N13P-GS

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

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

Related GPU Comparisons

1

NVIDIA GeForce GTX 770M vs AMD Radeon R5 M465

2

NVIDIA GeForce GTX 770M vs AMD Radeon R9 M395 Mac Edition

3

NVIDIA GeForce GTX 770M vs NVIDIA GeForce MX570

4

NVIDIA GeForce GTX 770M vs NVIDIA GeForce GTX 1080 Max Q

5

NVIDIA GeForce GTX 770M vs NVIDIA GeForce RTX 5070 Ti Mobile

6

NVIDIA GeForce GTX 770M vs NVIDIA T500 Mobile

7

NVIDIA GeForce GTX 770M vs ATI Mobility Radeon HD 2700

8

NVIDIA GeForce GTX 770M vs ATI Mobility Radeon HD 2400 XT Mac Edition

9

NVIDIA GeForce GTX 770M vs NVIDIA NVS 5400M

10

NVIDIA GeForce GTX 770M vs AMD Radeon R9 M470X

Related News

1

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

2

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

3

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

4

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

5

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

6

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

7

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

8

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

9

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!

10

Intel Finally Achieves Frame Generation! 'F1 24' Becomes the First XeSS 2 Game