Product comparison · 2 pcs/workstations

Acer Aspire M7721-8W75 Intel® Core™ i7 i7-920 vs Lenovo ThinkStation S20 (410562G), IT

91specifications compared
23differ
68identical
43known for one product only

Key differences

Processor family
- Aspire M7721-8W75 Intel® Core™ i7 i7-920:Intel® Core™ i7
- ThinkStation S20 (410562G), IT:Intel® Xeon® 3000 Sequence
Processor model
- Aspire M7721-8W75 Intel® Core™ i7 i7-920:i7-920
- ThinkStation S20 (410562G), IT:W3520
System bus rate
- Aspire M7721-8W75 Intel® Core™ i7 i7-920:4.8 GT/s
- ThinkStation S20 (410562G), IT:4.80 GT/s
Stepping
- Aspire M7721-8W75 Intel® Core™ i7 i7-920:C0
- ThinkStation S20 (410562G), IT:D0
Memory types supported by processor
- Aspire M7721-8W75 Intel® Core™ i7 i7-920:DDR3 800/1066
- ThinkStation S20 (410562G), IT:DDR3-SDRAM
ECC supported by processor
- Aspire M7721-8W75 Intel® Core™ i7 i7-920:No
- ThinkStation S20 (410562G), IT:Yes
Optical drive type
- Aspire M7721-8W75 Intel® Core™ i7 i7-920:DVD Super Multi
- ThinkStation S20 (410562G), IT:DVD-RW
HDD interface
- Aspire M7721-8W75 Intel® Core™ i7 i7-920:SATA II
- ThinkStation S20 (410562G), IT:SATA

Side by side

Differences highlightedShow differences only

Comparison of M7721-8W75, ThinkStation S20 (410562G), IT
134 specifications	A Acer Aspire M7721-8W75 Intel® Core™ i7 i7-920 Model M7721-8W75 View product	B Lenovo ThinkStation S20 (410562G), IT View product
Processor7 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i7	Intel® Xeon® 3000 Sequence
Processor generationKnown for one	Intel® Core™ i7	Unknown — not stated by the source
Processor modelDiffers	i7-920	W3520
Processor cores	4	4
Processor threads	8	8
Processor boost frequency	2.93 GHz	2.93 GHz
Processor frequency	2.66 GHz	2.66 GHz
Processor cache	8 MB	8 MB
Processor cache type	Smart Cache	Smart Cache
Processor front side bus	1066 MHz	1066 MHz
Bus type	QPI	QPI
FSB Parity	No	No
System bus rateDiffers	4.8 GT/s	4.80 GT/s
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i7-900 Desktop Series	Intel Xeon 3500 Series
Processor codename	Bloomfield	Bloomfield
Thermal Design Power (TDP)	130 W	130 W
Tcase	67.9 °C	67.9 °C
Number of QPI links	1	1
Number of processors installedKnown for one	1	Unknown — not stated by the source
Processor socket	Socket B (LGA 1366)	Socket B (LGA 1366)
Number of Processing Die Transistors	731 M	731 M
Processing Die size	263 mm²	263 mm²
CPU multiplier (bus/core ratio)	20	20
PlatformKnown for one	PC	Unknown — not stated by the source
SteppingDiffers	C0	D0
Maximum internal memory supported by processor	24 GB	24 GB
Memory types supported by processorDiffers	DDR3 800/1066	DDR3-SDRAM
Memory bandwidth supported by processor (max)	25.6 GB/s	25.6 GB/s
ECC supported by processorDiffers	No	Yes
Processor system typeKnown for one	Unknown — not stated by the source	Up
Processor core voltage (AC)Known for one	Unknown — not stated by the source	0.800 - 1.225 V
Memory clock speeds supported by processorKnown for one	Unknown — not stated by the source	800,1066 MHz
Memoryidentical
Internal memory	6 GB	6 GB
Maximum internal memory	12 GB	12 GB
Internal memory typeKnown for one	DDR3-SDRAM	Unknown — not stated by the source
Memory layout (slots x size)	3 x 2 GB	3 x 2 GB
Memory channels	Triple-channel	Triple-channel
Storage2 differ
Total storage capacityKnown for one	1 TB	Unknown — not stated by the source
Optical drive typeDiffers	DVD Super Multi	DVD-RW
HDD interfaceDiffers	SATA II	SATA
HDD speed	7200 RPM	7200 RPM
Card reader integrated	Yes	Yes
Floppy drive installedKnown for one	No	Unknown — not stated by the source
HDD capacityKnown for one	Unknown — not stated by the source	500 GB
Compatible memory cardsKnown for one	Unknown — not stated by the source	CF, MMC, SD, xD
Performance1 differ
Product typeDiffers	PC	Workstation
Audio output channelsKnown for one	7.1 channels	Unknown — not stated by the source
Networkidentical
Ethernet LANKnown for one	Yes	Unknown — not stated by the source
Ethernet LAN data ratesKnown for one	10,100,1000 Mbit/s	Unknown — not stated by the source
Wi-FiKnown for one	Yes	Unknown — not stated by the source
Networking featuresKnown for one	Gigabit Ethernet	Unknown — not stated by the source
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers	8	10
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	0	Unknown — not stated by the source
HDMI ports quantityKnown for one	0	Unknown — not stated by the source
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Microphone in	Yes	Yes
VGA (D-Sub) ports quantityDiffers	1	0
DVI portKnown for one	Yes	Unknown — not stated by the source
PS/2 ports quantityDiffers	2	0
Firewire (IEEE 1394) portsDiffers	1	2
DC-in jackKnown for one	Yes	Unknown — not stated by the source
Serial ports quantityDiffers	0	1
Parallel ports quantity	0	0
Line-inKnown for one	Unknown — not stated by the source	Yes
eSATA ports quantityKnown for one	Unknown — not stated by the source	1
Expansion slotsidentical
PCI Express x1 slotsKnown for one	1	Unknown — not stated by the source
PCI Express x4 slotsKnown for one	1	Unknown — not stated by the source
PCI Express x16 slots	1	1
PCI slotsKnown for one	Unknown — not stated by the source	2
Designidentical
Chassis type	Tower	Tower
Product colourKnown for one	Black, Blue	Unknown — not stated by the source
Softwareidentical
Operating system installedKnown for one	Windows 7 Home Premium	Unknown — not stated by the source
Trial softwareKnown for one	- Microsoft Office 2007 Trial (Microsoft Works)	Unknown — not stated by the source
Bundled softwareKnown for one	- Acer eRecovery Management - Acer Arcade Deluxe - McAfee Internet Security Suite 2009 Trial - Adobe Reader - Nero 9 Essentials - Oberon GameZone - eSobi - MyWinLocker	Unknown — not stated by the source
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows XP Pro SP1a/SP2a 32/64-bit Red Hat Enterprise Linux 5.0 Windows Vista 32/64-bit Windows Vista Enterprise 32/64-bit Windows Vista Ultimate 32/64-bit
Displayidentical
Display included	No	No
Processor special features3 differ
CPU configuration (max)	1	1
Embedded options available	No	No
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 SwitchingDiffers	No	Yes
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)	Yes	Yes
Intel Virtualization Technology (VT-x)	Yes	Yes
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)	36 bit	36 bit
Processor ARK IDDiffers	37147	39718
Processor codeDiffers	SLBCH	SLBEW
Processor package size	42.5 x 45.0 mm	42.5 x 45.0 mm
Supported instruction sets	SSE4.2	SSE4.2
Thermal Monitoring Technologies	No	No
Intel® Turbo Boost Technology	1.0	1.0
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
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
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Audio1 differ
Audio system direct 3D soundKnown for one	Yes	Unknown — not stated by the source
Audio systemDiffers	Dolby	ADI 1988 A
Weight & dimensions3 differ
WidthDiffers	180 mm	175 mm
DepthDiffers	441.5 mm	460 mm
HeightDiffers	367 mm	478 mm
WeightKnown for one	Unknown — not stated by the source	16.3 kg
Packaging content1 differ
Mouse includedDiffers	No	Yes
Keyboard includedKnown for one	No	Unknown — not stated by the source
Remote control includedKnown for one	No	Unknown — not stated by the source
Certificatesidentical
CertificationKnown for one	CE, FCC, BSMI, CCC, ETL, Nemko	Unknown — not stated by the source
Multimediaidentical
Built-in cameraKnown for one	No	Unknown — not stated by the source
Other featuresidentical
TV tuner integratedKnown for one	No	Unknown — not stated by the source
Graphicsidentical
Graphics cardKnown for one	Unknown — not stated by the source	Quadro FX 1800
Optical driveidentical
CD read speedKnown for one	Unknown — not stated by the source	40x
Poweridentical
Power requirementsKnown for one	Unknown — not stated by the source	100-240V; 50/60Hz
Power supplyKnown for one	Unknown — not stated by the source	625 W
Keyboardidentical
Keyboard typeKnown for one	Unknown — not stated by the source	Preferred Pro USB

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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