Pentium 977 vs Xeon E5-2650 v4

Aggregate performance score

Xeon E5-2650 v4
2016
12 cores / 24 threads, 105 Watt
8.86
+1081%

Xeon E5-2650 v4 outperforms Pentium 977 by a whopping 1081% based on our aggregate benchmark results.

Primary details

Comparing Xeon E5-2650 v4 and Pentium 977 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking8822681
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation2.61no data
Market segmentServerLaptop
SeriesIntel Xeon E5Intel Pentium
Power efficiency7.694.02
Architecture codenameBroadwell-EP (2016)Sandy Bridge (2011−2013)
Release date20 June 2016 (8 years ago)16 January 2012 (12 years ago)
Launch price (MSRP)$1,166$134

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Xeon E5-2650 v4 and Pentium 977 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores12 (Dodeca-Core)2 (Dual-core)
Threads242
Base clock speed2.2 GHz1.4 GHz
Boost clock speed2.9 GHz1.4 GHz
Bus typeQPIDMI 2.0
Bus rate2 × 9.6 GT/s4 × 5 GT/s
Multiplier2214
L1 cache64 KB (per core)128 KB
L2 cache3 MB512 KB
L3 cache30 MB (shared)2 MB (shared)
Chip lithography14 nm32 nm
Die size306.18 mm2131 mm2
Maximum core temperature80 °C100 °C
Number of transistors4700 Million504 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Xeon E5-2650 v4 and Pentium 977 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration2 (Multiprocessor)1 (Uniprocessor)
SocketFCLGA2011FCBGA1023
Power consumption (TDP)105 Watt17 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2650 v4 and Pentium 977. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® AVX2Intel® SSE4.1, Intel® SSE4.2
AES-NI+-
FMA-+
AVX+-
vPro+no data
Enhanced SpeedStep (EIST)++
My WiFino data-
Turbo Boost Technology2.0-
Hyper-Threading Technology+-
TSX+-
Idle States++
Thermal Monitoring++
Flex Memory Access-+
Demand Based Switching+-
PAE46 Bitno data
FDIno data+
Fast Memory Accessno data+

Security technologies

Xeon E5-2650 v4 and Pentium 977 technologies aimed at improving security, for example, by protecting against hacks.

TXT+-
EDB++
Secure Key+no data
OS Guard+no data
Anti-Theftno data-

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2650 v4 and Pentium 977 are enumerated here.

VT-d+-
VT-x+-
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2650 v4 and Pentium 977. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-1600, DDR4-1866, DDR4-2133, DDR4-2400DDR3
Maximum memory size1.5 TB16.38 GB
Max memory channels42
Maximum memory bandwidth76.8 GB/s21.335 GB/s
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AIntel® HD Graphics for 2nd Generation Intel® Processors
Graphics max frequencyno data1 GHz

Graphics interfaces

Available interfaces and connections of Xeon E5-2650 v4 and Pentium 977 integrated GPUs.

Number of displays supportedno data2
eDPno data+
DisplayPort-+
HDMI-+
SDVOno data+
CRTno data+

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2650 v4 and Pentium 977.

PCIe version3.02.0
PCI Express lanes4016

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Xeon E5-2650 v4 8.86
+1081%
Pentium 977 0.75

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Xeon E5-2650 v4 13556
+1081%
Pentium 977 1148

Gaming performance

Pros & cons summary


Performance score 8.86 0.75
Recency 20 June 2016 16 January 2012
Physical cores 12 2
Threads 24 2
Chip lithography 14 nm 32 nm
Power consumption (TDP) 105 Watt 17 Watt

Xeon E5-2650 v4 has a 1081.3% higher aggregate performance score, an age advantage of 4 years, 500% more physical cores and 1100% more threads, and a 128.6% more advanced lithography process.

Pentium 977, on the other hand, has 517.6% lower power consumption.

The Xeon E5-2650 v4 is our recommended choice as it beats the Pentium 977 in performance tests.

Be aware that Xeon E5-2650 v4 is a server/workstation processor while Pentium 977 is a notebook one.


Should you still have questions on choice between Xeon E5-2650 v4 and Pentium 977, ask them in Comments section, and we shall answer.

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Intel Xeon E5-2650 v4
Xeon E5-2650 v4
Intel Pentium 977
Pentium 977

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Community ratings

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