Product comparison · 2 pcs/workstations

Dell OptiPlex 740 AMD Athlon X2 4400+ vs Dell OptiPlex GX520 Intel® Pentium® D 820 DDR2-SDRAM

43specifications compared
10differ
33identical
69known for one product only

Key differences

The Dell OptiPlex GX520 Intel® Pentium® D 820 DDR2-SDRAM has 0.6 GHz more processor frequency than the Dell OptiPlex 740 AMD Athlon X2 4400+ (2.8 GHz vs 2.2 GHz). The Dell OptiPlex GX520 Intel® Pentium® D 820 DDR2-SDRAM has 1 MB more processor cache than the Dell OptiPlex 740 AMD Athlon X2 4400+ (2 MB vs 1 MB). The Dell OptiPlex 740 AMD Athlon X2 4400+ has 6 GB more maximum internal memory than the Dell OptiPlex GX520 Intel® Pentium® D 820 DDR2-SDRAM (8 GB vs 2 GB). Processor manufacturer: AMD on the Dell OptiPlex 740 AMD Athlon X2 4400+, Intel on the Dell OptiPlex GX520 Intel® Pentium® D 820 DDR2-SDRAM. Processor family: AMD Athlon X2 on the Dell OptiPlex 740 AMD Athlon X2 4400+, Intel® Pentium® D on the Dell OptiPlex GX520 Intel® Pentium® D 820 DDR2-SDRAM.

Processor manufacturer
- OptiPlex 740 AMD Athlon X2 4400+:AMD
- OptiPlex GX520 Intel® Pentium® D 820 DDR2-SDRAM:Intel
Processor family
- OptiPlex 740 AMD Athlon X2 4400+:AMD Athlon X2
- OptiPlex GX520 Intel® Pentium® D 820 DDR2-SDRAM:Intel® Pentium® D
Processor model
- OptiPlex 740 AMD Athlon X2 4400+:4400+
- OptiPlex GX520 Intel® Pentium® D 820 DDR2-SDRAM:820
Processor frequency
- OptiPlex 740 AMD Athlon X2 4400+:2.2 GHz
- OptiPlex GX520 Intel® Pentium® D 820 DDR2-SDRAM:2.8 GHz
Processor cache
- OptiPlex 740 AMD Athlon X2 4400+:1 MB
- OptiPlex GX520 Intel® Pentium® D 820 DDR2-SDRAM:2 MB
Maximum internal memory
- OptiPlex 740 AMD Athlon X2 4400+:8 GB
- OptiPlex GX520 Intel® Pentium® D 820 DDR2-SDRAM:2 GB
Memory slots
- OptiPlex 740 AMD Athlon X2 4400+:4x DIMM
- OptiPlex GX520 Intel® Pentium® D 820 DDR2-SDRAM:2x DIMM
HDD interface
- OptiPlex 740 AMD Athlon X2 4400+:SATA III
- OptiPlex GX520 Intel® Pentium® D 820 DDR2-SDRAM:SATA II

Side by side

Differences highlightedShow differences only

Comparison of 740, GX520
112 specifications	A Dell OptiPlex 740 AMD Athlon X2 4400+ Model 740 View product	B Dell OptiPlex GX520 Intel® Pentium® D 820 DDR2-SDRAM Model GX520 View product
Processor5 differ
Processor manufacturerDiffers	AMD	Intel
Processor familyDiffers	AMD Athlon X2	Intel® Pentium® D
Processor modelDiffers	4400+	820
Processor cores	2	2
Processor threadsKnown for one	Unknown — not stated by the source	2
Processor frequencyDiffers	2.2 GHz	2.8 GHz
Processor cacheDiffers	1 MB	2 MB
Processor cache type	L2	L2
Processor front side busKnown for one	Unknown — not stated by the source	800 MHz
Bus typeKnown for one	Unknown — not stated by the source	FSB
FSB ParityKnown for one	Unknown — not stated by the source	No
Processor lithographyKnown for one	Unknown — not stated by the source	90 nm
Processor operating modesKnown for one	Unknown — not stated by the source	64-bit
Processor seriesKnown for one	Unknown — not stated by the source	Intel Pentium D 800 Series
Processor codenameKnown for one	Unknown — not stated by the source	Smithfield
Thermal Design Power (TDP)Known for one	Unknown — not stated by the source	95 W
TcaseKnown for one	Unknown — not stated by the source	64.1 °C
Number of processors installed	1	1
Processor socketKnown for one	Unknown — not stated by the source	LGA 775 (Socket T)
Number of Processing Die TransistorsKnown for one	Unknown — not stated by the source	230 M
Processing Die sizeKnown for one	Unknown — not stated by the source	206 mm²
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	14
Processor core voltage (AC)Known for one	Unknown — not stated by the source	1.25 - 1.40 V
ECC supported by processorKnown for one	Unknown — not stated by the source	No
Memory2 differ
Maximum internal memoryDiffers	8 GB	2 GB
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Memory slotsDiffers	4x DIMM	2x DIMM
Non-ECC	Yes	Yes
Internal memoryKnown for one	2 GB	Unknown — not stated by the source
Storage1 differ
Total storage capacity	80 GB	80 GB
Optical drive typeKnown for one	Unknown — not stated by the source	DVD Super Multi
Storage media	HDD	HDD
Number of storage drives installed	1	1
Number of HDDs installed	1	1
HDD capacity	80 GB	80 GB
HDD interfaceDiffers	SATA III	SATA II
Card reader integratedKnown for one	No	Unknown — not stated by the source
Graphicsidentical
On-board graphics cardKnown for one	Unknown — not stated by the source	Yes
On-board graphics card familyKnown for one	Unknown — not stated by the source	Intel® GMA
On-board graphics card modelKnown for one	Unknown — not stated by the source	Intel® GMA 950
CUDAKnown for one	No	Unknown — not stated by the source
NVIDIA G-SYNCKnown for one	No	Unknown — not stated by the source
NVIDIA GameWorks VRKnown for one	No	Unknown — not stated by the source
Performanceidentical
Product type	PC	PC
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® 945G
Optical driveidentical
Optical drives quantityKnown for one	Unknown — not stated by the source	1
Networkidentical
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Wi-Fi	No	No
Ports & interfacesidentical
USB 2.0 ports quantity	8	8
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityKnown for one	Unknown — not stated by the source	0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity	0	0
HDMI ports quantity	0	0
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Line-out	Yes	Yes
Line-in	Yes	Yes
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
DVI port	No	No
Serial ports quantity	1	1
Parallel ports quantity	1	1
Power1 differ
Power supplyDiffers	280 W	220 W
Designidentical
Chassis type	Desktop	Desktop
Product colour	Black	Black
Placement supportedKnown for one	Horizontal/Vertical	Unknown — not stated by the source
Number of 5.25" baysKnown for one	1	Unknown — not stated by the source
Liquid cooling systemKnown for one	No	Unknown — not stated by the source
Softwareidentical
Operating system installed	Windows 7 Home Premium	Windows 7 Home Premium
Drivers includedKnown for one	Unknown — not stated by the source	Yes
Displayidentical
Display included	No	No
Processor special featuresidentical
Embedded options availableKnown for one	Unknown — not stated by the source	No
Enhanced Intel SpeedStep TechnologyKnown for one	Unknown — not stated by the source	No
Execute Disable BitKnown for one	Unknown — not stated by the source	Yes
Idle StatesKnown for one	Unknown — not stated by the source	Yes
Intel 64Known for one	Unknown — not stated by the source	Yes
Intel Clear Video TechnologyKnown for one	Unknown — not stated by the source	No
Intel Demand Based SwitchingKnown for one	Unknown — not stated by the source	No
Intel Dual Display Capable TechnologyKnown for one	Unknown — not stated by the source	No
Intel Enhanced Halt StateKnown for one	Unknown — not stated by the source	Yes
Intel FDI TechnologyKnown for one	Unknown — not stated by the source	No
Intel Fast Memory AccessKnown for one	Unknown — not stated by the source	No
Intel Flex Memory AccessKnown for one	Unknown — not stated by the source	No
Intel Rapid Storage TechnologyKnown for one	Unknown — not stated by the source	No
Intel Trusted Execution TechnologyKnown for one	Unknown — not stated by the source	No
Intel VT-x with Extended Page Tables (EPT)Known for one	Unknown — not stated by the source	No
Intel Virtualization Technology (VT-x)Known for one	Unknown — not stated by the source	No
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	Unknown — not stated by the source	No
Intel® AES New Instructions (Intel® AES-NI)Known for one	Unknown — not stated by the source	No
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	Unknown — not stated by the source	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	Unknown — not stated by the source	No
Intel® InTru™ 3D TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Insider™Known for one	Unknown — not stated by the source	No
Intel® Smart CacheKnown for one	Unknown — not stated by the source	No
Intel® Wireless Display (Intel® WiDi)Known for one	Unknown — not stated by the source	No
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	Yes
Processor ARK IDKnown for one	Unknown — not stated by the source	27512
Processor package sizeKnown for one	Unknown — not stated by the source	37.5 x 37.5 mm
Thermal Monitoring TechnologiesKnown for one	Unknown — not stated by the source	No
Intel® Turbo Boost TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	Unknown — not stated by the source	No
Intel® Quick Sync Video TechnologyKnown for one	Unknown — not stated by the source	No
Intel® My WiFi Technology (Intel® MWT)Known for one	Unknown — not stated by the source	No
Intel® Anti-Theft Technology (Intel® AT)Known for one	Unknown — not stated by the source	No
Conflict-Free processorKnown for one	Unknown — not stated by the source	No
Weight & dimensions1 differ
Width	114.3 mm	114.3 mm
DepthKnown for one	Unknown — not stated by the source	347.7 mm
HeightDiffers	397.8 mm	395.9 mm
Packaging contentidentical
ManualKnown for one	Unknown — not stated by the source	Yes
Expansion slotsidentical
Number of 3.5" baysKnown for one	2	Unknown — not stated by the source

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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