Athlon 64 X2 3800+ vs Core 2 Duo T5500

Place in the ranking	3058	3014
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Desktop processor
Series	Intel Core 2 Duo	no data
Power efficiency	0.97	0.43
Architecture codename	Merom (2006−2008)	Manchester (2005−2006)
Release date	1 February 2007 (17 years ago)	August 2005 (19 years ago)

Detailed specifications

Core 2 Duo T5500 and Athlon 64 X2 3800+ basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	2 (Dual-core)	2 (Dual-core)
Threads	2	2
Base clock speed	1.66 GHz	no data
Boost clock speed	1.66 GHz	2 GHz
Bus rate	667 MHz	no data
L1 cache	64 KB	256K
L2 cache	2 MB	512 KB
L3 cache	0 KB	0 KB
Chip lithography	65 nm	90 nm
Die size	143 mm²	220 mm²
Maximum core temperature	100 °C	no data
Number of transistors	291 Million	154 million
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	1.0375V-1.3V	no data

Compatibility

Information on Core 2 Duo T5500 and Athlon 64 X2 3800+ compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	1	1
Socket	PPGA478, PBGA479	939
Power consumption (TDP)	34 Watt	89 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo T5500 and Athlon 64 X2 3800+. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Idle States	-	no data
Demand Based Switching	-	no data
FSB parity	-	no data

Security technologies

Core 2 Duo T5500 and Athlon 64 X2 3800+ technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo T5500 and Athlon 64 X2 3800+ are enumerated here.

VT-x

no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Core 2 Duo T5500 0.35

Athlon 64 X2 3800+ 0.40
+14.3%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Core 2 Duo T5500 561

Athlon 64 X2 3800+ 629
+12.1%

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Core 2 Duo T5500 143

Athlon 64 X2 3800+ 203
+42%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Core 2 Duo T5500 249

Athlon 64 X2 3800+ 376
+51%