Bushnell Phantom
The Bushnell Phantom is a pretty handy GPS rangefinder for a minimal price. It shows the distance to the front, middle, and back of the green. It also provides distances up to four hazards per hole. It has over 36,000 downloadable courses so the chances are very good that your home course is on the list.
One nice feature is that rangefinder will pick up what course you are at automatically so you don’t have to do a course search when you arrive at the course. It also has automatic hole advancement so when you are finished with a hole, it will automatically move on to the next one without you having to hit a button.
With Bushnell products, you are able to download the Bushnell app that provides additional features like hole flyovers with 3D.
It comes with a clip holder that you can use to attach to your belt or golf bag.
Amazon Customer Rating: 4.2 out 5 Stars
Product Dimensions: 0.4 x 3.1 x 5.6 inches
Product Weight: 4 ounces
Batteries: One CR2 battery required which is included
Garmin Approach G10 Handheld Golf GPS
The Garmin Approach G10 has similar characteristics to the Bushnell Phantom. It shows the distance to the front, middle, and back of the green. One difference is that this rangefinder will show the shape of the green you are approaching. That is a nice feature so you can see if there is room over a bunker that may be hiding a section of the green.
On top of that, it has a pin location service where you can put the pin anywhere on the green and it will give you precise measurement to the location you select. 
Hazards are available with this rangefinder so you can identify yardages to water hazards and bunkers. It will also you show you distances to doglegs so you can determine if you want to go for it or play to the edge of the dogleg.
It comes with a clip that you can clip on to your bag or belt. It is small enough that you can even put it in your pocket.
You are able to keep stats on this rangefinder. It will track the number of putts, fairways hit, and also greens hit for your round.
Over 40,000 courses worldwide to select from.
Amazon Customer Rating: 4.2 out of 5 Stars
Product Dimensions:0.7 x 1.5 x 2 inches
Product Weight: 1.12 ounces
Batteries: One lithium ion battery which is included
Garmin Approach G30
The Garmin Approach G30 takes the the G10 to another level. You are are you going to pay for the upgrades, but it’s worth it!
Like the Garmin Approach G10, it measures distances to the front, middle, and back of the green. It has also the pin location service to give you exact distances to anywhere on the green.
A beneficial feature for every golfer is this rangefinder can be used to help you with your swing. It can detect your swing speed and tempo. Great feature for practice sessions!
The enhanced feature of color graphics makes this rangefinder standout. It has a beautiful display with large figures to make it easy to read. By tapping on the red flag, it will take you to a bird’s eye view of the green where you can use the pin location option.
It has a scorecard feature where you can keep track of your group’s score throughout the round. No more scorecards and losing your pencil during the round! The Garmin Approach 30 also comes with stat tracking.
You are able to stay in touch with life during your round as this rangefinder can connect to your smartphone so you can receive email alerts and texts along with notifications of an incoming call.
Battery life of up to 15 hours!
Amazon Customer Rating: 4.1 out of 5 Stars
Product Dimensions: 2.1 x 0.8 x 3 inches
Product Weight: 3.2 ounces
Batteries: One lithium ion battery which is included
GolfBuddy Voice 2
The GolfBuddy Voice 2 is a nice GPS rangefinder that has the basic the functions like measurements to he front, middle, and back of the greens. It comes with over 38,000 preloaded courses worldwide. The rangefinder is also water resistant. 
Automatic course recognition and automatic hole progression so you don’t have to select what course you are at and push buttons to move on to the next hole.
It has a green feature view that actually gives you the look of the green from your perspective. So if you are off the fairway quite a bit, it will show you the green view from where you are instead of looking at the green head on from the middle of the fairway. It is a very nice feature to give you a better perspective of what you are facing.
The voice aspect is exactly that. The rangefinder will speak to you with the information you need. You can change the voice to male or female voice and it also can speak 11 different languages (8 of them are preloaded).
There some accessories that are available with the rangefinder that some of the others on the market do not offer. You can get a wristband where you can turn the rangefinder in to a wearable device like a watch. There is a belt clip (that comes standard on some other products) and also a retractable clip that you can hook on to your bag or belt. These are additional accessories which are not included with the rangefinder.
Amazon Customer Rating: 4.2 out of 5 Stars
Product Dimensions: 1.78 x 0.5 x 1.76 in
Product Weight: 1.02 ounces
Batteries: 1 lithium battery which is included
IZZO Golf Swami 5000
The Izzo Golf Swami 5000 is an upgrade to the Swami 4000 which gives you distances to the front, middle, and back of the green along with distances to doglegs and hazards. It comes with over 38,000 preloaded courses. This rangefinder is water resistant.
Like the others, the Izzo Golf Swami 5000 comes with automatic course recognition along with automatic hole advancement.
The screen is color on a 2″ display giving you clarity and easy to read numbers.
Distance tracking is a nice enhanced feature with this rangefinder. Calculate how far you are hitting your driver and/or irons throughout the round. This is a game improvement feature that will help you lower your scores. Use it as a gauge as to how far you are hitting your clubs that day and make the adjustments as your round progresses.
Throw away the pencil and use the rangefinder as your scorecard. You are able to store up to 10 rounds in the rangefinder so you can track your scores and see what direction you are trending.
Amazon Customer Rating: 3.5 out of 5 Stars
Product Dimensions: 3.7 x 2.1 x 0.8 in
Product Weight: 2.7 ounces
Batteries: One lithium battery which is included