Product comparison · 2 pcs/workstations

Dell Precision 7820 Intel® Xeon® 3104 vs Dell Precision R7920 Intel® Xeon® 3104

96specifications compared
13differ
83identical
38known for one product only

Key differences

The Dell Precision R7920 Intel® Xeon® 3104 has 2 more USB 2.0 ports quantity than the Dell Precision 7820 Intel® Xeon® 3104 (2 vs 0). The Dell Precision 7820 Intel® Xeon® 3104 has 5 more USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity than the Dell Precision R7920 Intel® Xeon® 3104 (8 vs 3). The Dell Precision 7820 Intel® Xeon® 3104 has 2 more USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity than the Dell Precision R7920 Intel® Xeon® 3104 (2 vs 0). Only the Dell Precision 7820 Intel® Xeon® 3104 has microphone in. Chassis type: Tower on the Dell Precision 7820 Intel® Xeon® 3104, Rack-mounted chassis on the Dell Precision R7920 Intel® Xeon® 3104.

USB 2.0 ports quantity
- Precision 7820 Intel® Xeon® 3104:0
- Precision R7920 Intel® Xeon® 3104:2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
- Precision 7820 Intel® Xeon® 3104:8
- Precision R7920 Intel® Xeon® 3104:3
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity
- Precision 7820 Intel® Xeon® 3104:2
- Precision R7920 Intel® Xeon® 3104:0
Ethernet LAN (RJ-45) ports
- Precision 7820 Intel® Xeon® 3104:1
- Precision R7920 Intel® Xeon® 3104:5
Microphone in
- Precision 7820 Intel® Xeon® 3104:Yes
- Precision R7920 Intel® Xeon® 3104:No
VGA (D-Sub) ports quantity
- Precision 7820 Intel® Xeon® 3104:0
- Precision R7920 Intel® Xeon® 3104:2
Number of 3.5" bays
- Precision 7820 Intel® Xeon® 3104:5
- Precision R7920 Intel® Xeon® 3104:8
Power supply
- Precision 7820 Intel® Xeon® 3104:950 W
- Precision R7920 Intel® Xeon® 3104:1100 W

Side by side

Differences highlightedShow differences only

Comparison of 7820, R7920
134 specifications	A Dell Precision 7820 Intel® Xeon® 3104 Model 7820 View product	B Dell Precision R7920 Intel® Xeon® 3104 Model R7920 View product
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Xeon®	Intel® Xeon®
Processor generation	1st Generation Intel® Xeon® Scalable	1st Generation Intel® Xeon® Scalable
Processor model	3104	3104
Processor cores	6	6
Processor threads	6	6
Processor frequency	1.7 GHz	1.7 GHz
Processor cache	8.25 MB	8.25 MB
Processor cache type	L3	L3
Processor lithography	14 nm	14 nm
Processor operating modes	64-bit	64-bit
Processor codename	Skylake	Skylake
Thermal Design Power (TDP)	85 W	85 W
Tcase	78 °C	78 °C
Maximum number of PCI Express lanes	48	48
PCI Express slots version	3.0	3.0
Number of processors installed	1	1
Processor socket	LGA 3647 (Socket P)	LGA 3647 (Socket P)
Stepping	U0	U0
Maximum internal memory supported by processor	768 GB	768 GB
Memory types supported by processor	DDR4-SDRAM	DDR4-SDRAM
Memory clock speeds supported by processor	2133 MHz	2133 MHz
ECC supported by processor	Yes	Yes
Memoryidentical
Internal memory	16 GB	16 GB
Maximum internal memoryKnown for one	384 GB	Unknown — not stated by the source
Internal memory type	DDR4-SDRAM	DDR4-SDRAM
Memory layout (slots x size)	2 x 8 GB	2 x 8 GB
Memory slotsKnown for one	12x DIMM	Unknown — not stated by the source
Memory clock speed	2666 MHz	2666 MHz
ECC	Yes	Yes
Memory channels	Hexa-channel	Hexa-channel
Storageidentical
Total storage capacity	500 GB	500 GB
Optical drive type	No	No
Storage media	HDD	HDD
Number of storage drives installed	1	1
Number of storage drives supportedKnown for one	5	Unknown — not stated by the source
Number of HDDs installed	1	1
HDD capacity	500 GB	500 GB
HDD interfaceKnown for one	SATA	Unknown — not stated by the source
HDD speed	7200 RPM	7200 RPM
HDD size	2.5"	2.5"
Card reader integratedKnown for one	Yes	Unknown — not stated by the source
Compatible memory cardsKnown for one	SD	Unknown — not stated by the source
RAID supportKnown for one	Unknown — not stated by the source	Yes
Graphicsidentical
Discrete graphics card	Yes	Yes
On-board graphics card	No	No
Discrete graphics card model	NVIDIA® NVS™ 310	NVIDIA® NVS™ 310
Discrete graphics card memory	1 GB	1 GB
Discrete graphics memory typeKnown for one	GDDR3	Unknown — not stated by the source
Number of discrete graphics cards	1	1
On-board graphics card model	Not available	Not available
CUDAKnown for one	Yes	Unknown — not stated by the source
CUDA coresKnown for one	48	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
Graphics card DisplayPorts quantity	2	2
Performanceidentical
Product type	Workstation	Workstation
Motherboard chipset	Intel® C621	Intel® C621
Compatible processor series	Intel® Xeon®	Intel® Xeon®
Password protectionKnown for one	Yes	Unknown — not stated by the source
Trusted Platform Module (TPM)	Yes	Yes
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 & interfaces6 differ
USB 2.0 ports quantityDiffers	0	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	8	3
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityDiffers	2	0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity	0	0
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity	0	0
Thunderbolt ports quantityKnown for one	0	Unknown — not stated by the source
Thunderbolt 2 ports quantityKnown for one	0	Unknown — not stated by the source
Thunderbolt 3 ports quantity	0	0
DisplayPorts quantityKnown for one	0	Unknown — not stated by the source
HDMI ports quantity	0	0
Ethernet LAN (RJ-45) portsDiffers	1	5
Combo headphone/mic portKnown for one	Yes	Unknown — not stated by the source
Headphone outputs	0	0
Line-outKnown for one	Yes	Unknown — not stated by the source
Microphone inDiffers	Yes	No
VGA (D-Sub) ports quantityDiffers	0	2
DVI port	No	No
Mini HDMI ports quantityKnown for one	0	Unknown — not stated by the source
Mini DisplayPorts quantityKnown for one	0	Unknown — not stated by the source
PS/2 ports quantityKnown for one	2	Unknown — not stated by the source
Serial ports quantity	1	1
Expansion slots1 differ
Number of 3.5" baysDiffers	5	8
Power1 differ
Power supplyDiffers	950 W	1100 W
Power supply input voltageKnown for one	100 - 240 V	Unknown — not stated by the source
80 PLUS certificationKnown for one	Unknown — not stated by the source	80 PLUS Gold
Design2 differ
Chassis typeDiffers	Tower	Rack-mounted chassis
Placement supportedKnown for one	Horizontal/Vertical	Unknown — not stated by the source
Number of 2.5" baysKnown for one	6	Unknown — not stated by the source
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
Liquid cooling systemKnown for one	No	Unknown — not stated by the source
Product colourDiffers	Black	Black, Grey
Rack capacityKnown for one	Unknown — not stated by the source	2U
Softwareidentical
Operating system installed	Windows 10 Pro for Workstations	Windows 10 Pro for Workstations
Operating system architectureKnown for one	64-bit	Unknown — not stated by the source
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Trial softwareKnown for one	Unknown — not stated by the source	Microsoft Office 30 Day
Displayidentical
Display included	No	No
Processor special featuresidentical
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Intel 64	Yes	Yes
Intel TSX-NI	Yes	Yes
Intel TSX-NI version	1.00	1.00
Intel Trusted Execution Technology	Yes	Yes
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)	Yes	Yes
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
Processor ARK ID	123546	123546
Processor code	SR3GM	SR3GM
Processor package size	76.0 x 56.5 mm	76.0 x 56.5 mm
Scalability	2S	2S
Supported instruction sets	AVX, AVX 2.0, AVX-512, SSE4.2	AVX, AVX 2.0, AVX-512, SSE4.2
Intel® Turbo Boost Technology	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	No	No
Conflict-Free processor	Yes	Yes
Audioidentical
Audio chipKnown for one	Realtek ALC3234	Unknown — not stated by the source
Audio systemKnown for one	High Definition Audio	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	5 - 35 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-40 - 65 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	8 - 85%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	176.5 mm	482 mm
DepthDiffers	518.3 mm	715.5 mm
HeightDiffers	417.9 mm	86.8 mm
Packaging contentidentical
Mouse included	No	No
Keyboard included	No	No
Cables included	AC	AC
ManualKnown for one	Unknown — not stated by the source	Yes

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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