AMD Athlon 64 FX-55 vs Intel Pentium D 940

General info

Comparing Athlon 64 FX-55 and Pentium D 940 processor market type (desktop or notebook), architecture and sales start time and price.
Place in performance rating
 
Value for money (0-100)
1.79
 
no data
Type
Desktop
 
Desktop
Architecture codename
San Diego
 
Presler
Release date
October 2004
 
January 2006
Launch price (MSRP)
$180
 
no data
Price now
$180
 
no data

Technical specs

Athlon 64 FX-55 and Pentium D 940 quantitative parameters such as cores and threads number, clocks, manufacturing process, cache size and multiplier lock state. These parameters indirectly say of Athlon 64 FX-55 and Pentium D 940 performance, but for precise assessment you have to consider their test results.
Number of cores
1
 
2
Number of threads
1
 
2
Maximum frequency
2.6 GHz
 
3.2 GHz
L1 cache
128 KB
 
28 KB
L2 cache
1 MB
 
4 MB
Manufacturing process technology
130 nm
 
65 nm
Die size
193 mm2
 
140 mm2
Transistor count
114 million
 
376 million
64 bit support
+
 
+
VID voltage range
no data
 
1.2V-1.3375V

Compatibility

Information on Athlon 64 FX-55 and Pentium D 940 compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one.
Max number of CPUs in a configuration
1
 
2
Socket
939
 
PLGA775
Power consumption (TDP)
104 Watt
 
130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon 64 FX-55 and Pentium D 940. You'll probably need this information if you require some particular technology.
Enhanced SpeedStep (EIST)
no data
 
+
Turbo Boost
no data
 
-
Hyper-Threading
no data
 
-
Idle States
no data
 
+
Demand Based Switching
no data
 
-
PAE
no data
 
32 Bit
FSB parity
no data
 
-

Security technologies

Athlon 64 FX-55 and Pentium D 940 technologies aimed at raising security, for example, by protecting against hacks.
TXT
no data
 
-
EDB
no data
 
+

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon 64 FX-55 and Pentium D 940 are enumerated here.
VT-d
no data
 
-
VT-x
no data
 
+

Memory specs

Types, maximum amount and channel number of RAM supported by Athlon 64 FX-55 and Pentium D 940.
Supported memory types
no data
 
DDR1, DDR2, DDR3

Benchmark performance

Non-gaming benchmarks performance of Athlon 64 FX-55 and Pentium D 940. Overall benchmark performance is measured in points in 0-100 range.

Overall benchmark performance

Athlon 64 FX-55 0.78 +18.2%
Pentium D 940 0.66

Passmark

Athlon 64 FX-55 622 +18.5%
Pentium D 940 525

Gaming performance

Let's see how good Athlon 64 FX-55 and Pentium D 940 are for gaming compared with game system requirements. Remember that sometimes official requirements may reflect real performance inaccurately.

Advantages of AMD Athlon 64 FX-55

18.2% faster in synthetic tests
Less power hungry (104 vs 130 watts)
3DNow! (older SIMD instructions set used by AMD CPUs. Supercedes MMX, works with 64-bit registers)
AMD64 (AMD CPUs 64-bit architecture. Almost identical to Intel 64, save for some little and rarely used nuances)

Advantages of Intel Pentium D 940

Higher maximum frequency (3200 vs 2600 MHz)
Finer manufacturing process technology (65 vs 130 nm)
Intel 64 (64-bit Intel CPU architecture. Almost identical to AMD64, except small and rarely used nuances)

So, Athlon 64 FX-55 or Pentium D 940?

Judging by the results of synthetic and gaming tests, Technical City recommends AMD Athlon 64 FX-55.
Should you still have questions on choice between Athlon 64 FX-55 and Pentium D 940, ask them in Comments section, and we shall answer.

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AMD Athlon 64 FX-55
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