Intel Core i7-4820K vs Intel Core i7-920
Comparative analysis of Intel Core i7-4820K and Intel Core i7-920 processors for all known characteristics in the following categories: Essentials, Performance, Memory, 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 i7-4820K
- CPU is newer: launch date 4 year(s) 9 month(s) later
- Processor is unlocked, an unlocked multiplier allows for easier overclocking
- Around 33% higher clock speed: 3.90 GHz vs 2.93 GHz
- A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 45 nm
- Around 25% more L3 cache; more data can be stored in the L3 cache for quick access later
- 2.7x more maximum memory size: 64 GB vs 24 GB
- Around 61% better performance in PassMark - Single thread mark: 1958 vs 1213
- 2.3x better performance in PassMark - CPU mark: 6495 vs 2846
- Around 81% better performance in Geekbench 4 - Single Core: 848 vs 469
- Around 90% better performance in Geekbench 4 - Multi-Core: 3531 vs 1855
- Around 74% better performance in 3DMark Fire Strike - Physics Score: 3874 vs 2227
- 5.8x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 5.079 vs 0.873
- Around 88% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 94.62 vs 50.388
- 2.2x better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.648 vs 0.3
- Around 69% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 6.745 vs 4
| Specifications (specs) | |
| Launch date | September 2013 vs November 2008 |
| Unlocked | Unlocked vs Locked |
| Maximum frequency | 3.90 GHz vs 2.93 GHz |
| Manufacturing process technology | 22 nm vs 45 nm |
| L3 cache | 10240 KB (shared) vs 8192 KB (shared) |
| Maximum memory size | 64 GB vs 24 GB |
| Benchmarks | |
| PassMark - Single thread mark | 1958 vs 1213 |
| PassMark - CPU mark | 6495 vs 2846 |
| Geekbench 4 - Single Core | 848 vs 469 |
| Geekbench 4 - Multi-Core | 3531 vs 1855 |
| 3DMark Fire Strike - Physics Score | 3874 vs 2227 |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 5.079 vs 0.873 |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 94.62 vs 50.388 |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.648 vs 0.3 |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 6.745 vs 4 |
Reasons to consider the Intel Core i7-920
- Around 2% higher maximum core temperature: 67.9°C vs 66.8°C
- Around 96% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 1.595 vs 0.812
| Specifications (specs) | |
| Maximum core temperature | 67.9°C vs 66.8°C |
| Benchmarks | |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 1.595 vs 0.812 |
Compare benchmarks
CPU 1: Intel Core i7-4820K
CPU 2: Intel Core i7-920
| PassMark - Single thread mark |
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| PassMark - CPU mark |
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| Geekbench 4 - Single Core |
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| Geekbench 4 - Multi-Core |
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| 3DMark Fire Strike - Physics Score |
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| CompuBench 1.5 Desktop - Face Detection (mPixels/s) |
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| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) |
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| CompuBench 1.5 Desktop - T-Rex (Frames/s) |
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| CompuBench 1.5 Desktop - Video Composition (Frames/s) |
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| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) |
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| Name | Intel Core i7-4820K | Intel Core i7-920 |
|---|---|---|
| PassMark - Single thread mark | 1958 | 1213 |
| PassMark - CPU mark | 6495 | 2846 |
| Geekbench 4 - Single Core | 848 | 469 |
| Geekbench 4 - Multi-Core | 3531 | 1855 |
| 3DMark Fire Strike - Physics Score | 3874 | 2227 |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 5.079 | 0.873 |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 94.62 | 50.388 |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.648 | 0.3 |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 0.812 | 1.595 |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 6.745 | 4 |
Compare specifications (specs)
| Intel Core i7-4820K | Intel Core i7-920 | |
|---|---|---|
Essentials |
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| Architecture codename | Ivy Bridge E | Bloomfield |
| Launch date | September 2013 | November 2008 |
| Launch price (MSRP) | $399 | $340 |
| Place in performance rating | 2121 | 2773 |
| Price now | $594.96 | $174 |
| Processor Number | i7-4820K | i7-920 |
| Series | Intel® Core™ X-series Processors | Legacy Intel® Core™ Processors |
| Status | Discontinued | Discontinued |
| Value for money (0-100) | 4.81 | 8.34 |
| Vertical segment | Desktop | Desktop |
Performance |
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| 64 bit support | ||
| Base frequency | 3.70 GHz | 2.66 GHz |
| Bus Speed | 5 GT/s DMI2 | 4.8 GT/s QPI |
| Die size | 257 mm | 263 mm2 |
| L1 cache | 64 KB (per core) | 64 KB (per core) |
| L2 cache | 256 KB (per core) | 256 KB (per core) |
| L3 cache | 10240 KB (shared) | 8192 KB (shared) |
| Manufacturing process technology | 22 nm | 45 nm |
| Maximum core temperature | 66.8°C | 67.9°C |
| Maximum frequency | 3.90 GHz | 2.93 GHz |
| Number of cores | 4 | 4 |
| Number of threads | 8 | 8 |
| Transistor count | 1860 million | 731 million |
| Unlocked | ||
| Front-side bus (FSB) | 1333 MHz | |
| Number of QPI Links | 1 | |
| VID voltage range | 0.800V-1.375V | |
Memory |
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| Max memory channels | 4 | 3 |
| Maximum memory bandwidth | 59.7 GB/s | 25.6 GB/s |
| Maximum memory size | 64 GB | 24 GB |
| Supported memory types | DDR3 1333/1600/1866 | DDR3 800/1066 |
Compatibility |
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| Low Halogen Options Available | ||
| Max number of CPUs in a configuration | 1 | 1 |
| Package Size | 52.5mm x 45.0mm | 42.5mm x 45.0mm |
| Sockets supported | FCLGA2011 | FCLGA1366 |
| Thermal Design Power (TDP) | 130 Watt | 130 Watt |
Peripherals |
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| Max number of PCIe lanes | 40 | |
| PCI Express revision | 3.0 | |
Security & Reliability |
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| Execute Disable Bit (EDB) | ||
| Intel® Identity Protection technology | ||
| Intel® Trusted Execution technology (TXT) | ||
Advanced Technologies |
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| Enhanced Intel SpeedStep® technology | ||
| Idle States | ||
| Instruction set extensions | Intel® SSE4.2, Intel® AVX | Intel® SSE4.2 |
| Intel 64 | ||
| Intel® Advanced Vector Extensions (AVX) | ||
| Intel® AES New Instructions | ||
| Intel® Demand Based Switching | ||
| Intel® Hyper-Threading technology | ||
| Intel® Smart Response technology | ||
| Intel® Turbo Boost technology | ||
| Intel® vPro™ Platform Eligibility | ||
| Thermal Monitoring | ||
| Physical Address Extensions (PAE) | 36-bit | |
Virtualization |
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| Intel® Virtualization Technology (VT-x) | ||
| Intel® Virtualization Technology for Directed I/O (VT-d) | ||
| Intel® VT-x with Extended Page Tables (EPT) | ||
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