Athlon 64 3300+ vs Core 2 Duo T6400

Place in the ranking	2925	3168
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	1.24	0.26
Architecture codename	Penryn (2008−2011)	NewCastle (2004)
Release date	1 January 2009 (15 years ago)	April 2004 (20 years ago)

Detailed specifications

Core 2 Duo T6400 and Athlon 64 3300+ 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)	1 (Single-Core)
Threads	2	1
Base clock speed	2 GHz	no data
Boost clock speed	2 GHz	2.4 GHz
Bus rate	800 MHz	no data
L1 cache	no data	128 KB
L2 cache	2 MB	256 KB
L3 cache	2 MB L2 Cache	0 KB
Chip lithography	45 nm	130 nm
Die size	no data	144 mm²
Maximum core temperature	105 °C	no data
Number of transistors	no data	105 million
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	1V-1.25V	no data

Compatibility

Information on Core 2 Duo T6400 and Athlon 64 3300+ 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	no data	1
Socket	PGA478	754
Power consumption (TDP)	35 Watt	89 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo T6400 and Athlon 64 3300+. 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
Demand Based Switching	-	no data

Security technologies

Core 2 Duo T6400 and Athlon 64 3300+ 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 T6400 and Athlon 64 3300+ 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 T6400 0.46
+91.7%

Athlon 64 3300+ 0.24

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 T6400 727
+93.9%

Athlon 64 3300+ 375

Gaming performance

Pros & cons summary

Performance score	0.46	0.24
Physical cores	2	1
Threads	2	1
Chip lithography	45 nm	130 nm
Power consumption (TDP)	35 Watt	89 Watt

Core 2 Duo T6400 has a 91.7% higher aggregate performance score, 100% more physical cores and 100% more threads, a 188.9% more advanced lithography process, and 154.3% lower power consumption.

The Core 2 Duo T6400 is our recommended choice as it beats the Athlon 64 3300+ in performance tests.

Be aware that Core 2 Duo T6400 is a notebook processor while Athlon 64 3300+ is a desktop one.

Should you still have questions on choice between Core 2 Duo T6400 and Athlon 64 3300+, ask them in Comments section, and we shall answer.