Intel Core i7-2700K vs AMD Phenom X4 9850B

Comparative analysis of Intel Core i7-2700K and AMD Phenom X4 9850B 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 Core i7-2700K

  • CPU is newer: launch date 3 year(s) 1 month(s) later
  • Processor is unlocked, an unlocked multiplier allows for easier overclocking
  • Around 56% higher clock speed: 3.90 GHz vs 2.5 GHz
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 65 nm
  • 4x more L3 cache, more data can be stored in the L3 cache for quick access later
  • Around 84% better performance in PassMark - Single thread mark: 1823 vs 992
  • 3x better performance in PassMark - CPU mark: 5745 vs 1946
Specifications (specs)
Launch date October 2011 vs August 2008
Unlocked Unlocked vs Locked
Maximum frequency 3.90 GHz vs 2.5 GHz
Manufacturing process technology 32 nm vs 65 nm
L3 cache 8192 KB (shared) vs 2048 KB (shared)
Benchmarks
PassMark - Single thread mark 1823 vs 992
PassMark - CPU mark 5745 vs 1946

Reasons to consider the AMD Phenom X4 9850B

  • 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
L1 cache 128 KB (per core) vs 64 KB (per core)
L2 cache 512 KB (per core) vs 256 KB (per core)

Compare benchmarks

CPU 1: Intel Core i7-2700K
CPU 2: AMD Phenom X4 9850B

PassMark - Single thread mark
CPU 1
CPU 2
1823
992
PassMark - CPU mark
CPU 1
CPU 2
5745
1946
Name Intel Core i7-2700K AMD Phenom X4 9850B
PassMark - Single thread mark 1823 992
PassMark - CPU mark 5745 1946
Geekbench 4 - Single Core 846
Geekbench 4 - Multi-Core 3277
3DMark Fire Strike - Physics Score 3461
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 4.472
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 66.305
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.557
CompuBench 1.5 Desktop - Video Composition (Frames/s) 1.632
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 4.935

Compare specifications (specs)

Intel Core i7-2700K AMD Phenom X4 9850B

Essentials

Architecture codename Sandy Bridge Agena
Launch date October 2011 August 2008
Launch price (MSRP) $514
Place in performance rating 2242 2267
Price now $288.99
Processor Number i7-2700K
Series Legacy Intel® Core™ Processors
Status Discontinued
Value for money (0-100) 8.88
Vertical segment Desktop Desktop

Performance

64 bit support
Base frequency 3.50 GHz
Bus Speed 5 GT/s DMI
Die size 216 mm 285 mm
L1 cache 64 KB (per core) 128 KB (per core)
L2 cache 256 KB (per core) 512 KB (per core)
L3 cache 8192 KB (shared) 2048 KB (shared)
Manufacturing process technology 32 nm 65 nm
Maximum core temperature 72.6°C
Maximum frequency 3.90 GHz 2.5 GHz
Number of cores 4 4
Number of threads 8
Transistor count 1160 million 450 million
Unlocked

Memory

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

Graphics

Device ID 0x112
Graphics base frequency 850 MHz
Graphics max dynamic frequency 1.35 GHz
Graphics max frequency 1.35 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 3000

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
Sockets supported LGA1155 AM2+
Thermal Design Power (TDP) 95 Watt 95 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 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

Virtualization

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