Product comparison · 2 pcs/workstations

Acer Aspire M7721 vs Acer Aspire X3812-X223HQ

84specifications compared
39differ
45identical
18known for one product only

Key differences

Processor family
- Aspire M7721:Intel® Core™ i7
- Aspire X3812-X223HQ:Intel® Pentium®
Processor model
- Aspire M7721:i7-920
- Aspire X3812-X223HQ:E5300
Processor cores
- Aspire M7721:4
- Aspire X3812-X223HQ:2
Processor threads
- Aspire M7721:8
- Aspire X3812-X223HQ:2
Processor frequency
- Aspire M7721:2.66 GHz
- Aspire X3812-X223HQ:2.6 GHz
Processor cache
- Aspire M7721:8 MB
- Aspire X3812-X223HQ:2 MB
Processor cache type
- Aspire M7721:Smart Cache
- Aspire X3812-X223HQ:L2
Bus type
- Aspire M7721:QPI
- Aspire X3812-X223HQ:FSB

Side by side

Differences highlightedShow differences only

Comparison of Aspire M7721, Aspire X3812-X223HQ
102 specifications	A Acer Aspire M7721 View product	B Acer Aspire X3812-X223HQ View product
Processor17 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i7	Intel® Pentium®
Processor generationKnown for one	Intel® Core™ i7	Unknown — not stated by the source
Processor modelDiffers	i7-920	E5300
Processor coresDiffers	4	2
Processor threadsDiffers	8	2
Processor boost frequencyKnown for one	2.93 GHz	Unknown — not stated by the source
Processor frequencyDiffers	2.66 GHz	2.6 GHz
Processor cacheDiffers	8 MB	2 MB
Processor cache typeDiffers	Smart Cache	L2
Bus typeDiffers	QPI	FSB
FSB Parity	No	No
System bus rateKnown for one	4.8 GT/s	Unknown — not stated by the source
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i7-900 Desktop Series	Intel Pentium E5000 Series for Desktop
Processor codenameDiffers	Bloomfield	Wolfdale
Thermal Design Power (TDP)Differs	130 W	65 W
TcaseDiffers	67.9 °C	74.1 °C
Number of QPI linksKnown for one	1	Unknown — not stated by the source
Processor socketDiffers	Socket B (LGA 1366)	LGA 775 (Socket T)
Number of Processing Die TransistorsDiffers	731 M	228 M
Processing Die sizeDiffers	263 mm²	82 mm²
CPU multiplier (bus/core ratio)Differs	20	13
SteppingDiffers	C0	R0
Maximum internal memory supported by processorKnown for one	24 GB	Unknown — not stated by the source
Memory types supported by processorKnown for one	DDR3 800/1066	Unknown — not stated by the source
Memory bandwidth supported by processor (max)Known for one	25.6 GB/s	Unknown — not stated by the source
ECC supported by processor	No	No
Processor front side busKnown for one	Unknown — not stated by the source	800 MHz
Memory3 differ
Internal memoryDiffers	6 GB	4 GB
Maximum internal memoryDiffers	12 GB	8 GB
Internal memory typeDiffers	DDR3-SDRAM	DDR2-SDRAM
Memory slotsKnown for one	6x DIMM	Unknown — not stated by the source
Memory channelsKnown for one	Triple-channel	Unknown — not stated by the source
Storage1 differ
Total storage capacityDiffers	1 TB	500 GB
HDD interface	SATA	SATA
HDD speedKnown for one	7200 RPM	Unknown — not stated by the source
Card reader integrated	Yes	Yes
Graphics2 differ
On-board graphics card	Yes	Yes
Discrete graphics card modelDiffers	NVIDIA® GeForce® GT 230	Intel® GMA X4500
Discrete graphics card memoryKnown for one	1.536 GB	Unknown — not stated by the source
Maximum graphics card memoryDiffers	2.907 GB	1.024 GB
Performanceidentical
Product type	PC	PC
Networkidentical
Networking features	Gigabit Ethernet	Gigabit Ethernet
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	8	9
HDMI ports quantity	1	1
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
DVI port	Yes	Yes
PS/2 ports quantity	2	2
Firewire (IEEE 1394) portsDiffers	2	1
Serial ports quantity	0	0
Parallel ports quantity	0	0
Design1 differ
Chassis typeDiffers	Tower	SFF
Softwareidentical
Operating system installed	Windows 7 Home Premium	Windows 7 Home Premium
Display1 differ
Display includedDiffers	No	Yes
Display diagonalKnown for one	Unknown — not stated by the source	55.9 cm (22")
DisplayKnown for one	Unknown — not stated by the source	LCD TFT
Processor special features8 differ
CPU configuration (max)	1	1
Embedded options availableDiffers	No	Yes
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	No	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	No	No
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Rapid Storage Technology	No	No
Intel Trusted Execution Technology	No	No
Intel VT-x with Extended Page Tables (EPT)Differs	Yes	No
Intel Virtualization Technology (VT-x)Differs	Yes	2
Intel Virtualization Technology for Directed I/O (VT-d)	No	No
Intel® AES New Instructions (Intel® AES-NI)	No	No
Intel® Clear Video HD Technology (Intel® CVT HD)	No	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® InTru™ 3D Technology	No	No
Intel® Insider™	No	No
Intel® Wireless Display (Intel® WiDi)	No	No
Physical Address Extension (PAE)Known for one	36 bit	Unknown — not stated by the source
Processor ARK IDDiffers	37147	35300
Processor codeDiffers	SLBCH	SLB9U
Processor package sizeKnown for one	42.5 x 45.0 mm	Unknown — not stated by the source
Supported instruction setsKnown for one	SSE4.2	Unknown — not stated by the source
Thermal Monitoring TechnologiesDiffers	No	Yes
Intel® Turbo Boost TechnologyDiffers	1.0	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Intel® Quick Sync Video Technology	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Anti-Theft Technology (Intel® AT)	No	No
Conflict-Free processor	No	No
Audio1 differ
Audio systemDiffers	High Definition Audio 7.1	High Definition Audio 5.1
Weight & dimensions3 differ
WidthDiffers	180 mm	100 mm
DepthDiffers	441.5 mm	352 mm
HeightDiffers	367 mm	265 mm
Poweridentical
Power supplyKnown for one	Unknown — not stated by the source	220 W

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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