Intel Xeon E7-4809 v3 vs Intel Xeon E7-4820 v3: comparison

Comparison of Intel Xeon E7-4809 v3 and Intel Xeon E7-4820 v3: key differences and a full specification table.

Key differences

Intel Xeon E7-4809 v3 has a higher base clock (2 GHz vs 1.9 GHz).

At the same time, Intel Xeon E7-4820 v3 has more cores (10 vs 8) and more threads (20 vs 16).

Both processors match on: TDP (115 W), process node (22 nm), maximum memory size (1.5 TB), memory channels (4), PCIe version (3).

These are specification values: they show differences between the models but do not determine a performance winner. For a specific workload, rely on independent benchmarks.

Key specifications

ParameterIntel Xeon E7-4809 v3Intel Xeon E7-4820 v3
Cores / threads 8 / 16 10 / 20
TDP 115 W 115 W
Process 22 nm 22 nm

Full specification table

Differing values are highlighted. This is not a better/worse rating: numbers from different architectures are not always comparable.

Parameter Intel Xeon E7-4809 v3 Intel Xeon E7-4820 v3
General
Model E7-4809V3 E7-4820V3
Codename Haswell Haswell
Segment Server Server
Product line Семейство процессоров Intel Xeon E7 v3 Семейство процессоров Intel Xeon E7 v3
Process 22 nm 22 nm
Launch date Q2 2015 Q2 2015
Status Launched Launched
Servicing status End of Servicing Updates End of Servicing Updates
End of servicing updates 12/31/2021 12/31/2021
Embedded options available No No
CPU
Cores 8 10
Threads 16 20
Multithreading (SMT/HT) Yes Yes
Base clock 2 GHz 1.9 GHz
Cache (level unspecified) 20 MB 25 MB
Bus speed 6.4 GT/s 6.4 GT/s
TDP 115 W 115 W
Turbo Boost No No
64-bit support Yes Yes
Instruction set width 64 bit 64 bit
Instruction set extensions AVX2 AVX2
QPI links 3 3
Memory
Max memory size 1.5 TB 1.5 TB
Memory types DDR4, DDR3 DDR4, DDR3
Memory channels 4 4
Max memory bandwidth 85 GB/s 85 GB/s
ECC memory supported Yes Yes
Physical address extensions 46-bit 46-bit
I/O and interfaces
PCI Express revision 3 3
PCI Express lanes 32 32
PCI Express configurations x4, x8, x16 x4, x8, x16
Scalability S4S S4S
Package and thermal
Sockets supported FCLGA2011 FCLGA2011
Max CPU configuration 4 4
Package size 52mm x 45mm 52mm x 45mm
TCASE 70 °C 70 °C
Security and virtualization
Virtualization (VT-x / AMD-V) Yes Yes
Virtualization for Directed I/O (VT-d) Yes Yes
Extended Page Tables (EPT) Yes Yes
AES-NI Yes Yes
Execute Disable Bit Yes Yes
Intel Trusted Execution Technology Yes Yes
Secure Key Yes Yes
Intel OS Guard Yes Yes
Technologies
Enhanced SpeedStep Yes Yes
Idle States Yes Yes
Thermal Monitoring Technologies Yes Yes
Transactional Synchronization Extensions Yes Yes

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