Intel Pentium G2020T vs Intel Xeon E3-1275

Comparative analysis of Intel Pentium G2020T and Intel Xeon E3-1275 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).

Intel Pentium G2020T

Intel Xeon E3-1275

Differences

Reasons to consider the Intel Pentium G2020T

CPU is newer: launch date 1 year(s) 9 month(s) later
A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 32 nm
2.7x lower typical power consumption: 35 Watt vs 95 Watt

Launch date	January 2013 vs April 2011
Manufacturing process technology	22 nm vs 32 nm
Thermal Design Power (TDP)	35 Watt vs 95 Watt

Reasons to consider the Intel Xeon E3-1275

2 more cores, run more applications at once: 4 vs 2
6 more threads: 8 vs 2
Around 52% higher clock speed: 3.80 GHz vs 2.5 GHz
2x more L1 cache, more data can be stored in the L1 cache for quick access later
2x more L2 cache, more data can be stored in the L2 cache for quick access later
2.7x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 37% better performance in PassMark - Single thread mark: 1779 vs 1298
3.8x better performance in PassMark - CPU mark: 5504 vs 1430

Specifications (specs)
Number of cores	4 vs 2
Number of threads	8 vs 2
Maximum frequency	3.80 GHz vs 2.5 GHz
L1 cache	64 KB (per core) vs 64 KB (per core)
L2 cache	256 KB (per core) vs 256 KB (per core)
L3 cache	8192 KB (shared) vs 3072 KB (shared)
Benchmarks
PassMark - Single thread mark	1779 vs 1298
PassMark - CPU mark	5504 vs 1430

Compare benchmarks

CPU 1: Intel Pentium G2020T
CPU 2: Intel Xeon E3-1275

PassMark - Single thread mark

CPU 1

CPU 2

1298

1779

PassMark - CPU mark

CPU 1

CPU 2

1430

5504

Name	Intel Pentium G2020T	Intel Xeon E3-1275
PassMark - Single thread mark	1298	1779
PassMark - CPU mark	1430	5504
Geekbench 4 - Single Core	2242
Geekbench 4 - Multi-Core	3692
GFXBench 4.0 - T-Rex (Frames)	1349
GFXBench 4.0 - T-Rex (Fps)	1349

Compare specifications (specs)

	Intel Pentium G2020T	Intel Xeon E3-1275
Essentials
Architecture codename	Ivy Bridge	Sandy Bridge
Launch date	January 2013	April 2011
Launch price (MSRP)	$64	$450
Place in performance rating	1655	1415
Price now	$47.60	$304
Processor Number	G2020T	E3-1275
Series	Intel® Pentium® Processor G Series	Intel® Xeon® Processor E3 Family
Status	Launched	Discontinued
Value for money (0-100)	15.26	8.09
Vertical segment	Desktop	Server
Performance
64 bit support
Base frequency	2.50 GHz	3.40 GHz
Bus Speed	5 GT/s DMI	5 GT/s DMI
Die size	94 mm	216 mm
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	256 KB (per core)
L3 cache	3072 KB (shared)	8192 KB (shared)
Manufacturing process technology	22 nm	32 nm
Maximum case temperature (TCase)	65 °C
Maximum frequency	2.5 GHz	3.80 GHz
Number of cores	2	4
Number of threads	2	8
Maximum core temperature		72.6°C
Transistor count		1160 million
Memory
ECC memory support
Max memory channels	2	2
Maximum memory bandwidth	21 GB/s	21 GB/s
Maximum memory size	32 GB	32 GB
Supported memory types	DDR3 1333	DDR3 1066/1333
Graphics
Graphics base frequency	650 MHz	850 MHz
Graphics max dynamic frequency	1.05 GHz	1.35 GHz
Graphics max frequency	1.05 GHz	1.35 GHz
Intel® Clear Video HD technology
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Processor graphics	Intel HD Graphics	Intel HD Graphics P3000
Intel® Flexible Display Interface (Intel® FDI)
Graphics interfaces
Number of displays supported	3	2
Wireless Display (WiDi) support
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	37.5mm x 37.5mm	37.5mm x 37.5mm
Sockets supported	FCLGA1155	LGA1155
Thermal Design Power (TDP)	35 Watt	95 Watt
Thermal Solution	2011A
Peripherals
PCI Express revision	2.0	2.0
PCIe configurations	up to 1x16, 2x8, 1x8 & 2x4
Max number of PCIe lanes		20
Security & Reliability
Anti-Theft technology
Execute Disable Bit (EDB)
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Intel® Identity Protection technology
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® My WiFi technology
Intel® Optane™ Memory Supported
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Flexible Display interface (FDI)
Intel® Advanced Vector Extensions (AVX)
Intel® Demand Based Switching
Intel® Fast Memory Access
Intel® Flex Memory Access
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)