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
Memoryidentical
Maximum internal memoryKnown for one	384 GB	Unknown — not stated by the source
Memory slotsKnown for one	12x DIMM	Unknown — not stated by the source
Storageidentical
Number of storage drives supportedKnown for one	5	Unknown — not stated by the source
HDD interfaceKnown for one	SATA	Unknown — not stated by the source
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 memory typeKnown for one	GDDR3	Unknown — not stated by the source
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
Performanceidentical
Password protectionKnown for one	Yes	Unknown — not stated by the source
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
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
DisplayPorts quantityKnown for one	0	Unknown — not stated by the source
Ethernet LAN (RJ-45) portsDiffers	1	5
Combo headphone/mic portKnown for one	Yes	Unknown — not stated by the source
Line-outKnown for one	Yes	Unknown — not stated by the source
Microphone inDiffers	Yes	No
VGA (D-Sub) ports quantityDiffers	0	2
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
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 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
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
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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