Intel Pentium G870 vs Intel Core i7-3820

Comparative analysis of Intel Pentium G870 and Intel Core i7-3820 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, 3DMark Fire Strike - Physics Score, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

 

Differences

Reasons to consider the Intel Pentium G870

  • CPU is newer: launch date 4 month(s) later
  • Around 3% higher maximum core temperature: 69.1°C vs 66.8°C
  • 2x lower typical power consumption: 65 Watt vs 130 Watt
Launch date June 2012 vs February 2012
Maximum core temperature 69.1°C vs 66.8°C
Thermal Design Power (TDP) 65 Watt vs 130 Watt

Reasons to consider the Intel Core i7-3820

  • 2 more cores, run more applications at once: 4 vs 2
  • 6 more threads: 8 vs 2
  • Around 23% higher clock speed: 3.80 GHz vs 3.1 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
  • 3.3x more L3 cache, more data can be stored in the L3 cache for quick access later
  • 2x more maximum memory size: 64.23 GB vs 32 GB
  • Around 19% better performance in PassMark - Single thread mark: 1744 vs 1469
  • 3.7x better performance in PassMark - CPU mark: 5779 vs 1561
  • Around 41% better performance in Geekbench 4 - Single Core: 756 vs 538
  • 3.2x better performance in Geekbench 4 - Multi-Core: 3163 vs 977
Specifications (specs)
Number of cores 4 vs 2
Number of threads 8 vs 2
Maximum frequency 3.80 GHz vs 3.1 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 10240 KB (shared) vs 3072 KB (shared)
Maximum memory size 64.23 GB vs 32 GB
Benchmarks
PassMark - Single thread mark 1744 vs 1469
PassMark - CPU mark 5779 vs 1561
Geekbench 4 - Single Core 756 vs 538
Geekbench 4 - Multi-Core 3163 vs 977

Compare benchmarks

CPU 1: Intel Pentium G870
CPU 2: Intel Core i7-3820

PassMark - Single thread mark
CPU 1
CPU 2
1469
1744
PassMark - CPU mark
CPU 1
CPU 2
1561
5779
Geekbench 4 - Single Core
CPU 1
CPU 2
538
756
Geekbench 4 - Multi-Core
CPU 1
CPU 2
977
3163
Name Intel Pentium G870 Intel Core i7-3820
PassMark - Single thread mark 1469 1744
PassMark - CPU mark 1561 5779
Geekbench 4 - Single Core 538 756
Geekbench 4 - Multi-Core 977 3163
3DMark Fire Strike - Physics Score 3318
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 4.665
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 84.218
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.606
CompuBench 1.5 Desktop - Video Composition (Frames/s) 2.267
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 5.758

Compare specifications (specs)

Intel Pentium G870 Intel Core i7-3820

Essentials

Architecture codename Sandy Bridge Sandy Bridge E
Launch date June 2012 February 2012
Launch price (MSRP) $97 $400
Place in performance rating 2253 2236
Price now $97 $199.99
Processor Number G870 i7-3820
Series Legacy Intel® Pentium® Processor Intel® Core™ X-series Processors
Status Discontinued Discontinued
Value for money (0-100) 8.58 13.26
Vertical segment Desktop Desktop

Performance

64 bit support
Base frequency 3.10 GHz 3.60 GHz
Bus Speed 5 GT/s DMI 5 GT/s DMI2
Die size 131 mm 294 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) 10240 KB (shared)
Manufacturing process technology 32 nm 32 nm
Maximum core temperature 69.1°C 66.8°C
Maximum frequency 3.1 GHz 3.80 GHz
Number of cores 2 4
Number of threads 2 8
Transistor count 504 million 1270 million
Maximum case temperature (TCase) 67 °C
VID voltage range 0.600V – 1.350V

Memory

Max memory channels 2 4
Maximum memory bandwidth 21 GB/s 51.2 GB/s
Maximum memory size 32 GB 64.23 GB
Supported memory types DDR3 1066/1333 DDR3 1066/1333/1600

Graphics

Graphics base frequency 850 MHz
Graphics max dynamic frequency 1.10 GHz
Graphics max frequency 1.1 GHz
Intel® Clear Video HD technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Processor graphics Intel HD Graphics

Graphics interfaces

Number of displays supported 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 52.5mm x 45.0mm
Sockets supported FCLGA1155 FCLGA2011
Thermal Design Power (TDP) 65 Watt 130 Watt

Peripherals

Max number of PCIe lanes 16 40
PCI Express revision 2.0 2.0

Security & Reliability

Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Intel® Identity Protection technology

Advanced Technologies

Enhanced Intel SpeedStep® technology
Flexible Display interface (FDI)
Idle States
Instruction set extensions Intel® SSE4.1, Intel® SSE4.2 Intel® SSE4.2, Intel® AVX
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Intel® Demand Based Switching
Intel® Smart Response technology

Virtualization

Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)