Celeron N2840 vs i7-2675QM

Place in the ranking	1762	3027
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core i7	Intel Celeron
Power efficiency	5.11	5.00
Architecture codename	Sandy Bridge (2011−2013)	Bay Trail-M (2013−2014)
Release date	12 October 2011 (13 years ago)	22 May 2014 (10 years ago)
Launch price (MSRP)	$378	no data

Detailed specifications

Core i7-2675QM and Celeron N2840 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	4 (Quad-Core)	2 (Dual-core)
Threads	8	2
Base clock speed	2.2 GHz	2.16 GHz
Boost clock speed	3.1 GHz	2.58 GHz
Bus type	DMI 2.0	no data
Bus rate	4 × 5 GT/s	no data
Multiplier	22	no data
L1 cache	64K (per core)	56K (per core)
L2 cache	256K (per core)	512K (per core)
L3 cache	6 MB (shared)	0 KB
Chip lithography	32 nm	22 nm
Die size	216 mm²	no data
Maximum core temperature	100 °C	100 °C
Number of transistors	1,160 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Core i7-2675QM and Celeron N2840 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 (Uniprocessor)	1
Socket	FCBGA1224	FCBGA1170
Power consumption (TDP)	45 Watt	7.5 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-2675QM and Celeron N2840. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX	no data
AES-NI	+	-
FMA	+	-
AVX	+	-
Enhanced SpeedStep (EIST)	+	+
My WiFi	+	no data
Turbo Boost Technology	2.0	-
Hyper-Threading Technology	+	-
Idle States	+	+
Thermal Monitoring	+	-
Flex Memory Access	+	no data
Demand Based Switching	-	no data
Smart Connect	no data	+
FDI	+	no data
Fast Memory Access	+	no data

Security technologies

Core i7-2675QM and Celeron N2840 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	+
Secure Key	no data	+
Identity Protection	+	-
Anti-Theft	+	-

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-2675QM and Celeron N2840 are enumerated here.

VT-d	-	-
VT-x	+	+
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-2675QM and Celeron N2840. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-1066, DDR3-1333	DDR3
Maximum memory size	16 GB	8 GB
Max memory channels	2	2
Maximum memory bandwidth	21.335 GB/s	21.32 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel HD Graphics 3000	Intel HD Graphics for Intel Atom Processor Z3700 Series
Quick Sync Video	+	+
Clear Video HD	+	-
Graphics max frequency	1.2 GHz	792 MHz
InTru 3D	+	-

Graphics interfaces

Available interfaces and connections of Core i7-2675QM and Celeron N2840 integrated GPUs.

Number of displays supported	2	2
eDP	+	no data
DisplayPort	+	-
HDMI	+	-
SDVO	+	no data
CRT	+	no data

Peripherals

Specifications and connection of peripherals supported by Core i7-2675QM and Celeron N2840.

PCIe version	2.0	2.0
PCI Express lanes	16	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.

i7-2675QM 2.43
+557%

Celeron N2840 0.37

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.

i7-2675QM 3856
+557%

Celeron N2840 587

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.

i7-2675QM 446
+151%

Celeron N2840 178

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.

i7-2675QM 1412
+375%

Celeron N2840 297

Gaming performance

Pros & cons summary

Performance score	2.43	0.37
Integrated graphics card	0.66	0.77
Recency	12 October 2011	22 May 2014
Physical cores	4	2
Threads	8	2
Chip lithography	32 nm	22 nm
Power consumption (TDP)	45 Watt	7 Watt

i7-2675QM has a 556.8% higher aggregate performance score, and 100% more physical cores and 300% more threads.

Celeron N2840, on the other hand, has 16.7% faster integrated GPU, an age advantage of 2 years, a 45.5% more advanced lithography process, and 542.9% lower power consumption.

The Core i7-2675QM is our recommended choice as it beats the Celeron N2840 in performance tests.

Should you still have questions on choice between Core i7-2675QM and Celeron N2840, ask them in Comments section, and we shall answer.