Atom D2700 vs Core 2 Duo T9900

Place in the ranking	2668	3128
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core 2 Duo	Intel Atom
Power efficiency	2.03	2.74
Architecture codename	Penryn (2008−2011)	Cedarview (2011−2012)
Release date	2 June 2009 (15 years ago)	1 November 2011 (13 years ago)
Launch price (MSRP)	$530	$52

Detailed specifications

Core 2 Duo T9900 and Atom D2700 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	4
Base clock speed	3.06 GHz	2.13 GHz
Boost clock speed	0.07 GHz	0.13 GHz
Bus rate	1066 MHz	no data
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	6 MB (shared)	512K (per core)
L3 cache	6 MB L2 Cache	0 KB
Chip lithography	45 nm	32 nm
Die size	107 mm²	66 mm²
Maximum core temperature	105 °C	100 °C
Number of transistors	410 million	176 million
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	1.05V-1.2125V	no data

Compatibility

Information on Core 2 Duo T9900 and Atom D2700 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	BGA479,PGA478	FCBGA559
Power consumption (TDP)	35 Watt	10 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo T9900 and Atom D2700. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE2, Intel® SSE3, Intel® SSSE3
Enhanced SpeedStep (EIST)	+	-
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	+
Demand Based Switching	-	-
PAE	no data	36 Bit
AMT	no data	-
HD Audio	no data	+

Security technologies

Core 2 Duo T9900 and Atom D2700 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo T9900 and Atom D2700 are enumerated here.

VT-d	no data	-
VT-x	+	-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo T9900 and Atom D2700. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR2, DDR3	DDR3
Maximum memory size	no data	4 GB
Max memory channels	no data	1
Maximum memory bandwidth	no data	6.4 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

On certain motherboards (Chipset feature)

Intel Graphics Media Accelerator (GMA) 3650 (640 MHz)

Graphics interfaces

Available interfaces and connections of Core 2 Duo T9900 and Atom D2700 integrated GPUs.

Number of displays supported

no data

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo T9900 and Atom D2700.

PCI Express lanes	no data	4
Total number of SATA ports	no data	2
Number of USB ports	no data	8

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 T9900 0.75
+159%

Atom D2700 0.29

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 T9900 1189
+161%

Atom D2700 456

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 T9900 399
+253%

Atom D2700 113

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 T9900 641
+102%

Atom D2700 318

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 T9900 2787
+143%

Atom D2700 1148

Gaming performance

Pros & cons summary

Performance score	0.75	0.29
Recency	2 June 2009	1 November 2011
Threads	2	4
Chip lithography	45 nm	32 nm
Power consumption (TDP)	35 Watt	10 Watt

Core 2 Duo T9900 has a 158.6% higher aggregate performance score.

Atom D2700, on the other hand, has an age advantage of 2 years, 100% more threads, a 40.6% more advanced lithography process, and 250% lower power consumption.

The Core 2 Duo T9900 is our recommended choice as it beats the Atom D2700 in performance tests.

Should you still have questions on choice between Core 2 Duo T9900 and Atom D2700, ask them in Comments section, and we shall answer.