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The Xeon E7-4820v4 is reliable for enterprise compute tasks.
816655-B21
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HP XEON E7-4820V4 10 CORE 25MB CACHE 2.00GHZ CPU
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816655-B21
- Description:
- HP XEON E7-4820V4 10 CORE 25MB CACHE 2.00GHZ CPU
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816655-B21 Overview
816655-B21 is an Intel processor from the Intel Core series, built on the Intel 12th Gen Alder Lake architecture for desktop systems. It features an LGA 1700 socket with 8 cores and 16 threads, operating at a base clock of 3.6 GHz and boosting up to 4.9 GHz, paired with 4 MB of L2 cache and 16 MB of L3 cache, a 125W thermal design power, and integrated Intel UHD Graphics 770 running at a base frequency of 350 MHz and reaching up to 1100 MHz dynamic frequency.
Optimized for demanding gaming environments and versatile workstation tasks, this processor supports dual-channel DDR4 memory and PCIe 5.0, ensuring rapid data flow and robust system performance. It also offers virtualization support via Intel VT-x, comes with a cooler included, and maintains platform compatibility with current LGA 1700 chipsets, making it an ideal choice for high-performance desktop applications.
816655-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 816655-B21 for additional pricing. Browse the full Hpe Dl580 Server Processors series or explore all Hpe products.
816655-B21 Specifications
- Product Type
- Processors
- Brand
- Intel
- Series
- Intel Core
- Category
- Desktop
- Max Memory Support
- 128 GB
- Memory Type Support
- DDR4
- Generation
- Intel 12th Gen
- Architecture
- Alder Lake
- ECC Support
- No
- Security Features
- None
- CPU Socket
- LGA 1700
- Instruction Set Extensions
- AVX2
- Virtualization Support
- Intel VT-x
- Cores
- 8
- Threads
- 16
- Base Clock
- 3.6
- Max Boost Clock
- 4.9
- Overclocking Support
- No
- L2 Cache
- 4
- L3 Cache
- 16
- TDP
- 125W
- Integrated Graphics
- Intel UHD Graphics 770
- Graphics Base Frequency
- 350
- Graphics Max Dynamic Frequency
- 1100
- Memory Channels
- Dual
- PCIe Version
- PCIe 5.0
- Unlocked
- No
- Cooler Included
- Yes
- Use Case
- Gaming
- Product Name
- 816655-B21 High Performance Processor
- Height
- 0.6 inches
- Width
- 0.6 inches
- Depth
- 0.2 inches
- Weight
- 0.3 lbs
816655-B21 Use Case
Enterprise Virtualization & Workload Consolidation with 816655-B21 HP Xeon E7-4820v4
A global financial services firm deploys the 816655-B21 HP Xeon E7-4820v4 10 Core 2.00 GHz CPU (25 MB cache) in a ProLiant DL580 Gen9 chassis to consolidate 150+ Linux and Windows VMs. By leveraging the CPU’s multi-core threading and large L3 cache, the hypervisor overhead drops by 35%, VM density increases 40%, and TCO falls 50%—delivering resilient, high-throughput virtualization for mission-critical workloads.
Real-Time Big Data Analytics for Retail Personalization
A national retail chain implements the 816655-B21 HP Xeon E7-4820v4 10 Core 2.00 GHz CPU (25 MB cache) on its on-prem Apache Spark cluster to process 10 TB of point-of-sale and customer behavior data every hour. The CPU’s high core count and cache-enabled memory throughput reduce nightly ETL windows from 8 hours to under 2 hours, enabling sub-minute analytics. Outcome: a 25% lift in promo conversion and 15% higher average basket size.
High-Availability ERP & Database Performance Optimization
A global manufacturing enterprise powers its SAP ERP and Oracle DB environment on HP ProLiant servers equipped with the 816655-B21 HP Xeon E7-4820v4 10 Core 2.00 GHz CPU (25 MB cache). Multi-socket scaling and large L3 cache ensure consistent sub-10 ms query latency and 99.99% uptime across supply-chain and CRM modules. Result: 30% faster order processing, improved inventory accuracy, and streamlined financial closings.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 816655-B21 |  P05696-B21 |  878152-B21 |  P05707-B21 |  878146-B21 | |
|---|---|---|---|---|---|
| Architecture | Alder Lake | Raptor Lake | Alder Lake | Raptor Lake | Raptor Lake |
| Base Clock | 3.6 | 3.2 GHz | 3.6 | 3.4 | 3.6 GHz |
| Brand | Intel | Intel | Intel | Intel | Intel |
| CPU Socket | LGA 1700 | LGA 1700 | LGA 1700 | LGA 1700 | LGA 1700 |
| Category | Desktop | Desktop | Desktop | Desktop | Desktop |
| Cooler Included | Yes | No | No | No | No |
| Cores | 8 | 8 | 8 | 16 | 16 |
| Depth | 0.2 inches | 0.16 inches | 1.5 | 1.57 inches | 1.0 inches |
| ECC Support | No | No | No | No | No |
| Generation | Intel 12th Gen | Intel 13th Gen | Intel 12th Gen | Intel 13th Gen | Intel 13th Gen |
| Graphics Base Frequency | 350 | 350 MHz | 300 | 350 | 350 MHz |
| Graphics Max Dynamic Frequency | 1100 | 1200 MHz | 1150 | 1100 | 1300 MHz |
| Height | 0.6 inches | 1.48 inches | 0.5 | 0.16 inches | 1.5 inches |
| Instruction Set Extensions | AVX2 | AVX2 | AVX2 | AVX2 | AVX-512 |
| Integrated Graphics | Intel UHD Graphics 770 | Intel UHD Graphics 770 | Intel UHD Graphics 770 | Intel UHD Graphics 770 | Intel UHD Graphics 770 |
| L2 Cache | 4 | 4 MB | 4 | 16 | 8 MB |
| L3 Cache | 16 | 16 MB | 16 | 30 | 24 MB |
| Max Boost Clock | 4.9 | 4.8 GHz | 5.0 | 5.4 | 5.0 GHz |
| Max Memory Support | 128 GB | 128 GB | 128 GB | 128 GB | 128 GB |
| Memory Channels | Dual | Dual | Dual | Dual | Dual |
| Memory Type Support | DDR4 | DDR4 & DDR5 | DDR4 & DDR5 | DDR4 & DDR5 | DDR4 |
| Overclocking Support | No | Yes | Yes | Yes | Yes |
| PCIe Version | PCIe 5.0 | PCIe 5.0 | PCIe 5.0 | PCIe 5.0 | PCIe 5.0 |
| Product Name | 816655-B21 High Performance Processor | Intel Core i7-13700K Desktop Processor P05696-B21 | Intel Alder Lake 8-Core Processor 878152-B21 | Intel Core i7-13700K | Intel Core i9-878146-B21 |
| Product Type | Processors | Processors | Processors | Processors | Processors |
| Security Features | None | None | SGX | None | SGX |
| Series | Intel Core | Intel Core | Intel Core | Intel Core | Intel Core |
| TDP | 125W | 125W | 95W | 125W | 125W |
| Threads | 16 | 16 | 16 | 24 | 32 |
| Unlocked | No | Yes | Yes | Yes | Yes |
| Use Case | Gaming | Gaming / Workstation / General Use | Gaming | Gaming | Gaming |
| Virtualization Support | Intel VT-x | Intel VT-x, Intel VT-d | Intel VT-x | Intel VT-x | Intel VT-x |
| Weight | 0.3 lbs | 0.03 lbs | 0.25 | 0.3 lbs | 0.5 lbs |
| Width | 0.6 inches | 1.48 inches | 1.5 | 1.57 inches | 1.5 inches |
Reviews & Ratings
F
Furqan Haider
4
Stable processor for business-critical workloads.
P
Peter Lawson
4
Consistent performance in multi-socket servers.
A
Anum Javed
5
Handled production loads without issues.
G
Gareth Hughes
5
Good fit for DL580 Gen9 systems.
Questions & Answers
What is the HP Xeon E7-4820 v4 10-Core 25MB Cache 2.00GHz CPU (SKU 816655-B21)?
The HP Xeon E7-4820 v4 is a 10-core, 20-thread Intel® server processor with a 2.00 GHz base clock, 25 MB SmartCache and advanced reliability features designed for mission-critical workloads.
How many cores and threads does the Xeon E7-4820 v4 support?
It features 10 physical cores and 20 simultaneous threads, enabling high parallelism for multi-tasking and virtualization workloads.
What is the base and maximum turbo frequency of this CPU?
The processor runs at a 2.00 GHz base frequency and can turbo boost up to 2.50 GHz on additional workload-dependent cores.
What is the total cache size on the E7-4820 v4?
It includes 25 MB of Intel® SmartCache, dynamically allocated to maximize data access speed across all cores.