Celeron N2920 vs Core 2 Duo T6400

Place in the ranking	2925	2792
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core 2 Duo	Intel Celeron
Power efficiency	1.24	8.11
Architecture codename	Penryn (2008−2011)	Bay Trail-M (2013−2014)
Release date	1 January 2009 (15 years ago)	1 December 2013 (10 years ago)
Launch price (MSRP)	no data	$107

Detailed specifications

Core 2 Duo T6400 and Celeron N2920 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)	4 (Quad-Core)
Threads	2	4
Base clock speed	2 GHz	1.86 GHz
Boost clock speed	2 GHz	2 GHz
Bus rate	800 MHz	no data
L1 cache	no data	56K (per core)
L2 cache	2 MB	512K (per core)
L3 cache	2 MB L2 Cache	0 KB
Chip lithography	45 nm	22 nm
Maximum core temperature	105 °C	105 °C
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	1V-1.25V	no data

Compatibility

Information on Core 2 Duo T6400 and Celeron N2920 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	FCBGA1170
Power consumption (TDP)	35 Watt	7.5 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo T6400 and Celeron N2920. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	-
Idle States	no data	+
Demand Based Switching	-	no data
Smart Connect	no data	+
RST	no data	-

Security technologies

Core 2 Duo T6400 and Celeron N2920 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	+
Anti-Theft	no data	-

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo T6400 and Celeron N2920 are enumerated here.

VT-d	no data	-
VT-x	-	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo T6400 and Celeron N2920. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	no data	DDR3
Maximum memory size	no data	8 GB
Max memory channels	no data	2

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	Intel HD Graphics for Intel Atom Processor Z3700 Series
Graphics max frequency	no data	844 MHz

Graphics interfaces

Available interfaces and connections of Core 2 Duo T6400 and Celeron N2920 integrated GPUs.

Number of displays supported

no data

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo T6400 and Celeron N2920.

PCIe version	no data	2.0
PCI Express lanes	no data	4
USB revision	no data	3.0 and 2.0
Total number of SATA ports	no data	2
Number of USB ports	no data	5

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

Celeron N2920 0.60
+30.4%

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

Celeron N2920 950
+30.7%

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

Core 2 Duo T6400 2115
+105%

Celeron N2920 1030

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

Core 2 Duo T6400 4005
+13.5%

Celeron N2920 3530

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

Core 2 Duo T6400 1768

Celeron N2920 1861
+5.3%

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

Core 2 Duo T6400 39.42

Celeron N2920 31.99
+23.2%

Gaming performance

Pros & cons summary

Performance score	0.46	0.60
Recency	1 January 2009	1 December 2013
Physical cores	2	4
Threads	2	4
Chip lithography	45 nm	22 nm
Power consumption (TDP)	35 Watt	7 Watt

Celeron N2920 has a 30.4% higher aggregate performance score, an age advantage of 4 years, 100% more physical cores and 100% more threads, a 104.5% more advanced lithography process, and 400% lower power consumption.

The Celeron N2920 is our recommended choice as it beats the Core 2 Duo T6400 in performance tests.

Should you still have questions on choice between Core 2 Duo T6400 and Celeron N2920, ask them in Comments section, and we shall answer.