Intel Core i5-2550K vs Intel Core i7-970

Comparative analysis of Intel Core i5-2550K and Intel Core i7-970 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, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), CompuBench 1.5 Desktop - T-Rex (Frames/s).

 

Differences

Reasons to consider the Intel Core i5-2550K

  • CPU is newer: launch date 1 year(s) 6 month(s) later
  • Processor is unlocked, an unlocked multiplier allows for easier overclocking
  • Around 10% higher clock speed: 3.80 GHz vs 3.46 GHz
  • Around 7% higher maximum core temperature: 72.6°C vs 67.9°C
  • Around 33% higher maximum memory size: 32 GB vs 24 GB
  • Around 37% lower typical power consumption: 95 Watt vs 130 Watt
  • Around 20% better performance in PassMark - Single thread mark: 1755 vs 1467
  • Around 42% better performance in Geekbench 4 - Single Core: 840 vs 592
  • Around 53% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 2.383 vs 1.559
Specifications (specs)
Launch date January 2012 vs July 2010
Unlocked Unlocked vs Locked
Maximum frequency 3.80 GHz vs 3.46 GHz
Maximum core temperature 72.6°C vs 67.9°C
Maximum memory size 32 GB vs 24 GB
Thermal Design Power (TDP) 95 Watt vs 130 Watt
Benchmarks
PassMark - Single thread mark 1755 vs 1467
Geekbench 4 - Single Core 840 vs 592
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 2.383 vs 1.559

Reasons to consider the Intel Core i7-970

  • 2 more cores, run more applications at once: 6 vs 4
  • 8 more threads: 12 vs 4
  • Around 50% more L1 cache; more data can be stored in the L1 cache for quick access later
  • Around 50% more L2 cache; more data can be stored in the L2 cache for quick access later
  • 2x more L3 cache, more data can be stored in the L3 cache for quick access later
  • Around 58% better performance in PassMark - CPU mark: 6546 vs 4134
  • Around 15% better performance in Geekbench 4 - Multi-Core: 3217 vs 2806
  • Around 12% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 49.006 vs 43.659
  • 2.7x better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 2.584 vs 0.941
  • 2.8x better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 6.816 vs 2.465
Specifications (specs)
Number of cores 6 vs 4
Number of threads 12 vs 4
L1 cache 64 KB (per core) vs 64 KB (per core)
L2 cache 256 KB (per core) vs 256 KB (per core)
L3 cache 12288 KB (shared) vs 6144 KB (shared)
Benchmarks
PassMark - CPU mark 6546 vs 4134
Geekbench 4 - Multi-Core 3217 vs 2806
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 49.006 vs 43.659
CompuBench 1.5 Desktop - Video Composition (Frames/s) 2.584 vs 0.941
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 6.816 vs 2.465

Compare benchmarks

CPU 1: Intel Core i5-2550K
CPU 2: Intel Core i7-970

PassMark - Single thread mark
CPU 1
CPU 2
1755
1467
PassMark - CPU mark
CPU 1
CPU 2
4134
6546
Geekbench 4 - Single Core
CPU 1
CPU 2
840
592
Geekbench 4 - Multi-Core
CPU 1
CPU 2
2806
3217
CompuBench 1.5 Desktop - Face Detection (mPixels/s)
CPU 1
CPU 2
2.383
1.559
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)
CPU 1
CPU 2
43.659
49.006
CompuBench 1.5 Desktop - Video Composition (Frames/s)
CPU 1
CPU 2
0.941
2.584
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)
CPU 1
CPU 2
2.465
6.816
Name Intel Core i5-2550K Intel Core i7-970
PassMark - Single thread mark 1755 1467
PassMark - CPU mark 4134 6546
Geekbench 4 - Single Core 840 592
Geekbench 4 - Multi-Core 2806 3217
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 2.383 1.559
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 43.659 49.006
CompuBench 1.5 Desktop - Video Composition (Frames/s) 0.941 2.584
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 2.465 6.816
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.506

Compare specifications (specs)

Intel Core i5-2550K Intel Core i7-970

Essentials

Architecture codename Sandy Bridge Gulftown
Launch date January 2012 July 2010
Launch price (MSRP) $189 $662
Place in performance rating 2462 2477
Price now $128.99 $148.99
Processor Number i5-2550K i7-970
Series Legacy Intel® Core™ Processors Legacy Intel® Core™ Processors
Status Discontinued Discontinued
Value for money (0-100) 15.22 16.59
Vertical segment Desktop Desktop

Performance

64 bit support
Base frequency 3.40 GHz 3.20 GHz
Bus Speed 5 GT/s DMI 4.8 GT/s QPI
Die size 216 mm 239 mm2
L1 cache 64 KB (per core) 64 KB (per core)
L2 cache 256 KB (per core) 256 KB (per core)
L3 cache 6144 KB (shared) 12288 KB (shared)
Manufacturing process technology 32 nm 32 nm
Maximum core temperature 72.6°C 67.9°C
Maximum frequency 3.80 GHz 3.46 GHz
Number of cores 4 6
Number of threads 4 12
Transistor count 1160 million 1170 million
Unlocked
Number of QPI Links 1
VID voltage range 0.800V-1.375V

Memory

Max memory channels 2 3
Maximum memory bandwidth 21 GB/s 25.6 GB/s
Maximum memory size 32 GB 24 GB
Supported memory types DDR3 1066/1333 DDR3 800/1066

Graphics

Intel® Clear Video HD technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Intel® Quick Sync Video

Graphics interfaces

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 42.5mm X 45.0mm
Sockets supported LGA1155 FCLGA1366
Thermal Design Power (TDP) 95 Watt 130 Watt

Peripherals

Max number of PCIe lanes 16
PCI Express revision 2.0

Security & Reliability

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

Advanced Technologies

Enhanced Intel SpeedStep® technology
Flexible Display interface (FDI)
Idle States
Instruction set extensions Intel® SSE4.1, Intel® SSE4.2, Intel® AVX Intel® SSE4.2
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Intel® Demand Based Switching
Physical Address Extensions (PAE) 36-bit

Virtualization

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