What browser is the best? We have the information you need to decide
In the last segment of our next generation browser benchmarking and
comparison, we looked at user interface features and installation
details. We also benchmarked install times and application
launch times. We now will turn our attention to CPU and
memory usage in this segment. We'll also briefly contrast
security in the next gen browsers. This segment will be
followed by a third and final installment in which we'll examine
performance in popular benchmarks and standards support.
4. Resource Usage
One of the most critical aspects of a program is the amount of
resources it uses per the amount of work it does. We measured
memory and CPU usage for each browser with ten tabs open and loaded --
DailyTech, AnandTech, CNET, CNN, Sports Illustrated, Gamefaqs, Google,
Yahoo, Bing, and Facebook (logged in). We then took
measurements after 15, 20, and 25 minutes of operation.
When it comes to memory, Firefox really shows its worth. This
may be surprising to some as early in its development the Firefox
browser was known as a memory hog, due to memory
leaks. This has completely turned around and it is now the
slimmest entry. Namoroka uses significantly more memory than 3.5.2, but
hopefully this is just one of the rough edges that are to be expected
of an alpha release.
Looking at the rest of the pack, Opera deserves an honorable mention
for a close second in memory usage. Safari and Chrome, on the
other hand, were both memory hungry. However, no application
was quite as bad when it came to memory as Internet Explorer 8, which
used nearly twice the memory of its closest competitor.
Turning to the CPU, Opera was in the lead for least average
use. Opera 9.6 also led for the lowest maximum observed CPU
use. Opera 10.0 did show a rather high maximum
usage. This is due to a brief, rather uncharacteristic,
spike. This appears to be a rather isolated occurrence, but
nonetheless we kept the result.
Chrome, Safari, and Internet Explorer were all rather poor when it came
to CPU use. Chrome 4 ate up the most CPU, topping at an
unpleasant maximum of 64 percent. Firefox, on the other hand,
showcased low usage (with no add-ons installed), though 3.6a1 was a bit
more CPU hungry than 3.5.2. Again, hopefully these issues
will be resolved before release.
5. Security:
Having looked at the resources used, its also important to look at what
is being done with them. We already concluded that Opera
provides the most built in features (non-security) in our first review
(though Firefox wins when add-ons are considered). But what
about security features?
The below table illustrates some highlights of these browsers' track
record:
| Browser |
Tab/Process Isolation |
Private Browsing Mode |
Popup Blocking |
Ad-Filtering (JS, Flash) |
Anti-Phishing |
Malware Blacklist |
Unpatched Security Flaws, Secunia |
Unpatched Security Flaws, SecurityFocus |
| Opera
9.6 |
No |
No |
Yes |
Yes, click required |
Weak |
Weak |
0 |
2 |
| Opera
10.0 |
No |
No |
Yes |
Yes, click required |
Weak |
Weak |
0 |
2 |
| Firefox
3.5 |
No |
Yes |
Yes |
Via add-on |
Moderate |
Moderate |
0 |
0 |
| Firefox
3.6 |
No |
Yes |
Yes |
Via add-on |
Moderate |
Moderate |
0 |
0 |
| Chrome
2 |
Yes |
Yes |
Yes |
No |
Weak |
Weak |
0 |
0 |
| Chrome
3 |
Yes |
Yes |
Yes |
No |
Weak |
Weak |
0 |
0 |
| Chrome
4 |
Yes |
Yes |
Yes |
No |
Weak |
Weak |
0 |
0 |
| IE
8 |
Yes |
Yes |
Yes |
Yes (via InPrivate Filter) |
Strong |
Strong |
2 |
16 |
| Safari
3 |
No |
Yes |
Yes |
Via add-on |
Weak |
Weak |
0 |
0 |
| Safari
4 |
No |
Yes |
Yes |
Via add-on |
Weak |
Weak |
0 |
0 |
As you can see, security is a rather confusing topic to rate the
browsers on. On one hand, IE
8 offers an excellent private browsing mode, tab isolation,
and great blacklisting of malicious sites. On the other hand,
its InPrivate Filter doesn't catch all ads. IE 8 is also the
most frequently attacked and exploited browser, though Microsoft puts
great effort into patching as quickly as possible.
Despite this, IE 8 for the very inexperienced/naive user is probably
the best bet as it blocks more blatantly malicious sites than the rest
of the field. Microsoft-sponsored research puts this block
rate at 81 percent versus the next closest competitor -- Firefox -- at
27 percent. This may be a bit of an exaggeration, but
Microsoft deserves praise for its progress on this front.
Chrome offers good overall protection with tab isolation, a private
browsing mode and less vulnerabilities, but it is victim to probably
the most ads of any of the browsers. Firefox is a close
runner up to IE 8, especially when add-ons are considered.
However, it lacks tab isolation. Opera and Apple have both
put a fair deal of thought into their security efforts, but they just
aren't as strong or focused as those of Microsoft, Mozilla, and Google.
Note: All benchmarks
were performed in 32-bit Vista on a Sony VAIO laptop
with 3 GB of RAM, a T8100 Intel Processor (2.1 GHz), and a NVIDIA 8400
GT mobile graphics chip. The number of processes was kept consistent
and at a minimum to reflect stock performance.
"I want people to see my movies in the best formats possible. For [Paramount] to deny people who have Blu-ray sucks!" -- Movie Director Michael Bay
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