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CPU

Intel

Intel Xeon E5-2643 v4

Processor

CPU cores: 6
CPU threads: 12
Maximum boost clock: 3.7 GHz
Thermal design power: 135 W

Benchmark results

PassMark · version unreported · cpuMark11,152^*Platform unreported Compare results
PassMark · version unreported · threadMark2,249^*Platform unreported Compare results
PassMark CPU Mark · version unreported · CPU Mark11,152^* pointsPlatform unreported Compare results
Reported score · version unreported · mark13,618^*Platform unreported Compare results

Processing & platform

CPU cores: 6
CPU threads: 12
Base clock: 3.4 GHz
Turbo Boost 2.0 frequency: 3.7 GHz^*
Maximum supported memory bandwidth: 76.80 GB/s^*
Maximum boost clock: 3.7 GHz
L3 cache: 20 MB
Architecture: Broadwell^*
Socket / package: LGA 2011-3
Process node: 14 nm

Cache hierarchy

L3 / total
Level
L3
Scope
total
Size
20 MB
Reported cache^*
Size
20 MB^*
Level
Reported cache (level unstated)^*
Scope
Intel® Smart Cache^*

Compatible sockets

LGA 2011-3

Memory & storage

Memory channels: 4
Video memory type: DDR4 1600/1866/2133/2400^*

Supported memory

DDR4-2400
Technology
DDR4
Transfer rate
2,400 MT/s
DDR4 1600/1866/2133/2400^*

CPU memory support

DDR4-1600
Variant / details
Manufacturer CPU memory-controller support; system and module configuration may limit operation.
Technology
DDR4
Transfer rate
1,600 MT/s
DDR4-1866
Variant / details
Manufacturer CPU memory-controller support; system and module configuration may limit operation.
Technology
DDR4
Transfer rate
1,866 MT/s
DDR4-2133
Variant / details
Manufacturer CPU memory-controller support; system and module configuration may limit operation.
Technology
DDR4
Transfer rate
2,133 MT/s
DDR4-2400
Variant / details
Manufacturer CPU memory-controller support; system and module configuration may limit operation.
Technology
DDR4
Transfer rate
2,400 MT/s

Power specifications

Thermal design power: 135 W

System configuration

Detailed specifications

Specifications 1 · 24 fields

name: Intel Xeon E5-2643 v4 @ 3.40GHz^*
name: Intel Xeon E5-2643 v4 @ 3.40GHz^*
cores: 6^*
cores: 6^*
logicals: 2^*
logicals: 2^*
samples: 7^*
samples: 16^*
price: 314.67^*
price: 629.34^*
tdp: 135^*
tdp: 135^*
date: 2016-06-01^*
date: 2016-06-01^*
socket: FCLGA2011-3^*
socket: FCLGA2011-3^*
category: Server^*
category: Server^*
speed: 3,400^*
speed: 3,400^*
turbo: 3,700^*
turbo: 3,700^*
cpuCount: 2^*
cpuCount: 1^*

Specifications 2 · 4 fields

brand: Intel^*
brand: Intel^*
name: Intel Xeon E5-2643 v4 @ 3.40GHz^*
name: Intel Xeon E5-2643 v4 @ 3.40GHz^*

Specifications 3 · 20 fields

turbo frequency: 3,700^*
cache size: 20,480^*
tdp: 135^*
socket: FCLGA2011-3^*
memory type: DDR4 1600/1866/2133/2400^*
cores: 6^*
manufacturer Processor benchmark result: intel^*
vertical segment: Server^*
max memory size: 1,610,612,736^*
status: Launched^*
max temp: 75^*
package size: 45mm x 52.5mm^*
threads: 12^*
name: Intel Xeon E5-2643 v4^*
rating Processor benchmark result: 11,152^*
processor number: E5-2643V4^*
launch date: 2016-02-01^*
lithography: 14^*
bus speed: 9.6^*
base frequency: 3,400^*

Specifications 4 · 54 fields

Recommended Customer Price

$1552.00^*

Scope and conditions

source_native_row_context

Price scope: Historical source recommendation; not a current retail offer. The original currency notation is retained.^*

Idle States

Yes^*

Enhanced Intel SpeedStep® Technology

Yes^*

Thermal Monitoring Technologies

Yes^*

Intel® Identity Protection Technology ‡

No^*

Intel® Flex Memory Access

No^*

Intel® Demand Based Switching

Yes^*

Intel vPro® Eligibility ‡

Intel vPro® Platform^*

Intel® AES New Instructions

Yes^*

Secure Key

Yes^*

Intel® Trusted Execution Technology ‡

Yes^*

Execute Disable Bit ‡

Yes^*

Intel® OS Guard

Yes^*

Total Cores

6^*

Intel® Virtualization Technology (VT-x) ‡

Yes^*

Intel® Virtualization Technology for Directed I/O (VT-d) ‡

Yes^*

Intel® VT-x with Extended Page Tables (EPT) ‡

Yes^*

Total Threads

12^*

Max Turbo Frequency

3.7^* GHz

Intel® Turbo Boost Technology 2.0 Frequency‡

3.7^* GHz

Processor Base Frequency

3.4^* GHz

Cache

20.0^* MB

Scope and conditions

source_native_row_context

Cache description: Intel® Smart Cache^*
Original declaration: 20 MB Intel® Smart Cache^*

TDP

135^* W

Bus Speed

9.6^* GT/s

# of QPI Links

2^*

Marketing Status

Launched^*

Launch Date

Q1'16^*

Servicing Status

End of Servicing Updates^*

End of Servicing Updates Date

Thursday | June 30 | 2022^*

Embedded Options Available

No^*

Max Memory Size (dependent on memory type)

1.5^* TB

Memory Types

DDR4 1600/1866/2133/2400^*

Max # of Memory Channels

4^*

Max Memory Bandwidth

76.8^* GB/s

ECC Memory Supported ‡

Yes^*

Physical Address Extensions

46-bit^*

Product Collection

Intel® Xeon® Processor E5 v4 Family^*

Vertical Segment

Server^*

Processor Number

E5-2643V4^*

PCI Express Revision

3.0^*

PCI Express Configurations ‡

x4 | x8 | x16^*

Max # of PCI Express Lanes

40^*

Scalability

2S^*

Lithography

14^* nm

Sockets Supported

FCLGA2011^*

Max CPU Configuration

2^*

Package Size

45mm x 52.5mm^*

TCASE

75^* °C

Intel® Turbo Boost Technology ‡

2.0^*

Intel® Hyper-Threading Technology ‡

Yes^*

Intel® Transactional Synchronization Extensions

Yes^*

Intel® 64 ‡

Yes^*

Instruction Set

64-bit^*

Instruction Set Extensions

Intel® AVX2^*

Specifications 5 · 11 fields

name: Intel Xeon E5-2643 v4 @ 3.40GHz^*
socket: FCLGA2011-3^*
category: Server^*
price: $1,638.35^*
mark: 13,618^*
value: 8.31^*
single thread: 2,056^*
single thread value: 1.26^*
tdp: 135^*
powerperf: 100^*
testdate: Jun 2016^*

Specifications 6 · 7 fields

microarchitecture

Broadwell^*

Scope and conditions

source_native_row_context

category: cpu^*
original_product_name: Intel Xeon E5-2643 V4^*
catalogue_reference: Intel Xeon E5-2643 V4^*
identity_scope: source-exact-processor-name^*
dataset_date: 2025-07-23^*

scope

Historical publisher declaration. Missing or conflicting observations remain unverified; no benchmark or tested performance inferred.^*

boost clock

3.7^* GHz

Scope and conditions

source_native_row_context

category: cpu^*
original_product_name: Intel Xeon E5-2643 V4^*
catalogue_reference: Intel Xeon E5-2643 V4^*
identity_scope: source-exact-processor-name^*
dataset_date: 2025-07-23^*

scope

Historical publisher declaration. Missing or conflicting observations remain unverified; no benchmark or tested performance inferred.^*

Reported core clock

3.4^* GHz

Scope and conditions

source_native_row_context

category: cpu^*
original_product_name: Intel Xeon E5-2643 V4^*
catalogue_reference: Intel Xeon E5-2643 V4^*
identity_scope: source-exact-processor-name^*
dataset_date: 2025-07-23^*

scope

Source calls this core clock; it is not relabelled as base, sustained or gaming clock.^*

core count

6^*

Scope and conditions

source_native_row_context

category: cpu^*
original_product_name: Intel Xeon E5-2643 V4^*
catalogue_reference: Intel Xeon E5-2643 V4^*
identity_scope: source-exact-processor-name^*
dataset_date: 2025-07-23^*

scope

Historical publisher declaration. Missing or conflicting observations remain unverified; no benchmark or tested performance inferred.^*

Historical listing price (dataset 2025-07-23)

amount: 929.95^*
currency: USD^*
dataset_date: 2025-07-23^*
scope: Historical listing observation; retailer, stock and current availability unknown^*

USD

Scope and conditions

source_native_row_context

category: cpu^*
original_product_name: Intel Xeon E5-2643 V4^*
catalogue_reference: Intel Xeon E5-2643 V4^*
identity_scope: source-exact-processor-name^*
dataset_date: 2025-07-23^*

scope

Historical publisher declaration. Missing or conflicting observations remain unverified; no benchmark or tested performance inferred.^*

name

Intel Xeon E5-2643 V4^*

Scope and conditions

source_native_row_context

category: cpu^*
original_product_name: Intel Xeon E5-2643 V4^*
catalogue_reference: Intel Xeon E5-2643 V4^*
identity_scope: source-exact-processor-name^*
dataset_date: 2025-07-23^*

scope

Historical publisher declaration. Missing or conflicting observations remain unverified; no benchmark or tested performance inferred.^*

tdp

135^* W

Scope and conditions

source_native_row_context

category: cpu^*
original_product_name: Intel Xeon E5-2643 V4^*
catalogue_reference: Intel Xeon E5-2643 V4^*
identity_scope: source-exact-processor-name^*
dataset_date: 2025-07-23^*

scope

Historical publisher declaration. Missing or conflicting observations remain unverified; no benchmark or tested performance inferred.^*

Specifications 7 · 12 fields

cpuName

Intel Xeon E5-2643 v4 @ 3.40GHz^*

Scope and conditions

benchmark_context

suite: PassMark^*
test_configuration_verified: No^*
comparable: No^*

testDate

2,016^*

Scope and conditions

benchmark_context

suite: PassMark^*
test_configuration_verified: No^*
comparable: No^*

socket

FCLGA2011-3^*

Scope and conditions

benchmark_context

suite: PassMark^*
test_configuration_verified: No^*
comparable: No^*