Intel Core i7-975 vs AMD Athlon X2 4450e

Comparative analysis of Intel Core i7-975 and AMD Athlon X2 4450e processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, 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 - 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 i7-975

  • CPU is newer: launch date 1 year(s) 2 month(s) later
  • Processor is unlocked, an unlocked multiplier allows for easier overclocking
  • 2 more cores, run more applications at once: 4 vs 2
  • Around 57% higher clock speed: 3.60 GHz vs 2.3 GHz
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 65 nm
  • 2x more L2 cache, more data can be stored in the L2 cache for quick access later
  • Around 41% better performance in PassMark - Single thread mark: 1499 vs 1066
  • 4x better performance in PassMark - CPU mark: 3493 vs 867
  • Around 40% better performance in Geekbench 4 - Multi-Core: 2380 vs 1701
  • Around 75% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 1.084 vs 0.62
  • 9.7x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 63.217 vs 6.492
Specifications (specs)
Launch date June 2009 vs April 2008
Unlocked Unlocked vs Locked
Number of cores 4 vs 2
Maximum frequency 3.60 GHz vs 2.3 GHz
Manufacturing process technology 45 nm vs 65 nm
L2 cache 256 KB (per core) vs 512 KB
Benchmarks
PassMark - Single thread mark 1499 vs 1066
PassMark - CPU mark 3493 vs 867
Geekbench 4 - Multi-Core 2380 vs 1701
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 1.084 vs 0.62
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 63.217 vs 6.492

Reasons to consider the AMD Athlon X2 4450e

  • 2.9x lower typical power consumption: 45 Watt vs 130 Watt
  • Around 72% better performance in Geekbench 4 - Single Core: 1045 vs 606
Specifications (specs)
Thermal Design Power (TDP) 45 Watt vs 130 Watt
Benchmarks
Geekbench 4 - Single Core 1045 vs 606

Compare benchmarks

CPU 1: Intel Core i7-975
CPU 2: AMD Athlon X2 4450e

PassMark - Single thread mark
CPU 1
CPU 2
1499
1066
PassMark - CPU mark
CPU 1
CPU 2
3493
867
Geekbench 4 - Single Core
CPU 1
CPU 2
606
1045
Geekbench 4 - Multi-Core
CPU 1
CPU 2
2380
1701
CompuBench 1.5 Desktop - Face Detection (mPixels/s)
CPU 1
CPU 2
1.084
0.62
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)
CPU 1
CPU 2
63.217
6.492
Name Intel Core i7-975 AMD Athlon X2 4450e
PassMark - Single thread mark 1499 1066
PassMark - CPU mark 3493 867
Geekbench 4 - Single Core 606 1045
Geekbench 4 - Multi-Core 2380 1701
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 1.084 0.62
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 63.217 6.492
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.376
CompuBench 1.5 Desktop - Video Composition (Frames/s) 1.858
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 5.196

Compare specifications (specs)

Intel Core i7-975 AMD Athlon X2 4450e

Essentials

Architecture codename Bloomfield Brisbane
Launch date June 2009 April 2008
Launch price (MSRP) $476
Place in performance rating 2591 2615
Price now $179.99
Processor Number i7-975
Series Legacy Intel® Core™ Processors
Status Discontinued
Value for money (0-100) 10.04
Vertical segment Desktop Desktop

Performance

64 bit support
Base frequency 3.33 GHz
Bus Speed 6.4 GT/s QPI
Die size 263 mm2 126 mm
Front-side bus (FSB) 1333 MHz
L1 cache 64 KB (per core) 256 KB
L2 cache 256 KB (per core) 512 KB
L3 cache 8192 KB (shared)
Manufacturing process technology 45 nm 65 nm
Maximum core temperature 67.9°C
Maximum frequency 3.60 GHz 2.3 GHz
Number of cores 4 2
Number of QPI Links 1
Number of threads 8
Transistor count 731 million 154 million
Unlocked
VID voltage range 0.800V-1.375V

Memory

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

Compatibility

Low Halogen Options Available
Max number of CPUs in a configuration 1 1
Package Size 42.5mm x 45.0mm
Sockets supported FCLGA1366 AM2
Thermal Design Power (TDP) 130 Watt 45 Watt

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
Physical Address Extensions (PAE) 36-bit
Thermal Monitoring

Virtualization

Intel® Virtualization Technology (VT-x)
Intel® VT-x with Extended Page Tables (EPT)