Intel Core i7-870 processor review

Intel Core i7-870

Core i7-870 processor released by Intel; release date: September 2009. At the time of release, the processor cost $197. The processor is designed for desktop-computers and based on Lynnfield microarchitecture.

CPU is locked to prevent overclocking. Total number of cores - 4, threads - 8. Maximum CPU clock speed - 3.60 GHz. Maximum operating temperature - 72.7°C. Manufacturing process technology - 45 nm. Cache size: L1 - 64 KB (per core), L2 - 256 KB (per core), L3 - 8192 KB (shared).

Supported memory types: DDR3 1066/1333. Maximum memory size: 16 GB.

Supported socket types: LGA1156. Maximum number of processors in a configuration - 1. Power consumption (TDP): 95 Watt.

Benchmarks

PassMark
Single thread mark
Top 1 CPU
This CPU
4760
1385
PassMark
CPU mark
Top 1 CPU
This CPU
154674
3122
Geekbench 4
Single Core
Top 1 CPU
This CPU
5311
547
Geekbench 4
Multi-Core
Top 1 CPU
This CPU
36691
2032
3DMark Fire Strike
Physics Score
Top 1 CPU
This CPU
36198
2453
CompuBench 1.5 Desktop
Face Detection
Top 1 CPU
This CPU
97.640 mPixels/s
1.029 mPixels/s
CompuBench 1.5 Desktop
Ocean Surface Simulation
Top 1 CPU
This CPU
741.453 Frames/s
53.478 Frames/s
CompuBench 1.5 Desktop
T-Rex
Top 1 CPU
This CPU
4.623 Frames/s
0.342 Frames/s
CompuBench 1.5 Desktop
Video Composition
Top 1 CPU
This CPU
49.002 Frames/s
1.541 Frames/s
CompuBench 1.5 Desktop
Bitcoin Mining
Top 1 CPU
This CPU
218.231 mHash/s
4.602 mHash/s
Name Value
PassMark - Single thread mark 1385
PassMark - CPU mark 3122
Geekbench 4 - Single Core 547
Geekbench 4 - Multi-Core 2032
3DMark Fire Strike - Physics Score 2453
CompuBench 1.5 Desktop - Face Detection 1.029 mPixels/s
CompuBench 1.5 Desktop - Ocean Surface Simulation 53.478 Frames/s
CompuBench 1.5 Desktop - T-Rex 0.342 Frames/s
CompuBench 1.5 Desktop - Video Composition 1.541 Frames/s
CompuBench 1.5 Desktop - Bitcoin Mining 4.602 mHash/s

Specifications (specs)

Essentials

Architecture codename Lynnfield
Launch date September 2009
Launch price (MSRP) $197
Place in performance rating 2616
Price now $98.99
Processor Number i7-870
Series Legacy Intel® Core™ Processors
Status Discontinued
Value for money (0-100) 15.90
Vertical segment Desktop

Performance

64 bit support
Base frequency 2.93 GHz
Bus Speed 2.5 GT/s DMI
Die size 296 mm2
L1 cache 64 KB (per core)
L2 cache 256 KB (per core)
L3 cache 8192 KB (shared)
Manufacturing process technology 45 nm
Maximum core temperature 72.7°C
Maximum frequency 3.60 GHz
Number of cores 4
Number of threads 8
Transistor count 774 million
VID voltage range 0.6500V-1.4000V

Memory

Max memory channels 2
Maximum memory bandwidth 21 GB/s
Maximum memory size 16 GB
Supported memory types DDR3 1066/1333

Compatibility

Low Halogen Options Available
Max number of CPUs in a configuration 1
Package Size 37.5mm x 37.5mm
Sockets supported LGA1156
Thermal Design Power (TDP) 95 Watt

Peripherals

Max number of PCIe lanes 16
PCI Express revision 2.0
PCIe configurations 1x16, 2x8

Security & Reliability

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

Advanced Technologies

Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions Intel® SSE4.2
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Physical Address Extensions (PAE) 36-bit
Thermal Monitoring

Virtualization

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