Intel Core i7-4578U vs Intel Core i7-2820QM
Comparative analysis of Intel Core i7-4578U and Intel Core i7-2820QM processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Graphics image quality, Graphics API support, 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 i7-4578U
- CPU is newer: launch date 3 year(s) 6 month(s) later
- Around 3% higher clock speed: 3.50 GHz vs 3.40 GHz
- A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 32 nm
- Around 61% lower typical power consumption: 28 Watt vs 45 Watt
- Around 30% better performance in PassMark - Single thread mark: 1935 vs 1493
- Around 28% better performance in Geekbench 4 - Single Core: 788 vs 617
Specifications (specs) | |
Launch date | 21 July 2014 vs 3 January 2011 |
Maximum frequency | 3.50 GHz vs 3.40 GHz |
Manufacturing process technology | 22 nm vs 32 nm |
Thermal Design Power (TDP) | 28 Watt vs 45 Watt |
Benchmarks | |
PassMark - Single thread mark | 1935 vs 1493 |
Geekbench 4 - Single Core | 788 vs 617 |
Reasons to consider the Intel Core i7-2820QM
- 2 more cores, run more applications at once: 4 vs 2
- 4 more threads: 8 vs 4
- 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
- 2x more L3 cache, more data can be stored in the L3 cache for quick access later
- 2x more maximum memory size: 32 GB vs 16 GB
- Around 42% better performance in PassMark - CPU mark: 4407 vs 3112
- Around 32% better performance in Geekbench 4 - Multi-Core: 2236 vs 1697
- Around 68% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 4.053 vs 2.408
- Around 52% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 65.357 vs 43.106
- Around 42% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 1.591 vs 1.123
- Around 40% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 3.98 vs 2.835
- Around 55% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.459 vs 0.297
Specifications (specs) | |
Number of cores | 4 vs 2 |
Number of threads | 8 vs 4 |
L1 cache | 256 KB vs 128 KB |
L2 cache | 1024 KB vs 512 KB |
L3 cache | 8192 KB vs 4 MB |
Maximum memory size | 32 GB vs 16 GB |
Benchmarks | |
PassMark - CPU mark | 4407 vs 3112 |
Geekbench 4 - Multi-Core | 2236 vs 1697 |
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 4.053 vs 2.408 |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 65.357 vs 43.106 |
CompuBench 1.5 Desktop - Video Composition (Frames/s) | 1.591 vs 1.123 |
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 3.98 vs 2.835 |
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.459 vs 0.297 |
Compare benchmarks
CPU 1: Intel Core i7-4578U
CPU 2: Intel Core i7-2820QM
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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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 - Video Composition (Frames/s) |
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CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) |
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CompuBench 1.5 Desktop - T-Rex (Frames/s) |
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Name | Intel Core i7-4578U | Intel Core i7-2820QM |
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PassMark - Single thread mark | 1935 | 1493 |
PassMark - CPU mark | 3112 | 4407 |
Geekbench 4 - Single Core | 788 | 617 |
Geekbench 4 - Multi-Core | 1697 | 2236 |
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 2.408 | 4.053 |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 43.106 | 65.357 |
CompuBench 1.5 Desktop - Video Composition (Frames/s) | 1.123 | 1.591 |
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 2.835 | 3.98 |
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.297 | 0.459 |
Compare specifications (specs)
Intel Core i7-4578U | Intel Core i7-2820QM | |
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Essentials |
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Architecture codename | Haswell | Sandy Bridge |
Launch date | 21 July 2014 | 3 January 2011 |
Launch price (MSRP) | $426 | $568 |
Place in performance rating | 2513 | 2520 |
Processor Number | i7-4578U | i7-2820QM |
Series | 4th Generation Intel® Core™ i7 Processors | Legacy Intel® Core™ Processors |
Status | Launched | Launched |
Vertical segment | Mobile | Mobile |
Price now | $251.04 | |
Value for money (0-100) | 7.79 | |
Performance |
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64 bit support | ||
Base frequency | 3.00 GHz | 2.30 GHz |
Bus Speed | 5 GT/s DMI2 | 5 GT/s DMI |
Die size | 181 mm | 216 mm |
L1 cache | 128 KB | 256 KB |
L2 cache | 512 KB | 1024 KB |
L3 cache | 4 MB | 8192 KB |
Manufacturing process technology | 22 nm | 32 nm |
Maximum core temperature | 100 °C | 100 C |
Maximum frequency | 3.50 GHz | 3.40 GHz |
Number of cores | 2 | 4 |
Number of threads | 4 | 8 |
Transistor count | 1300 Million | 995 Million |
Memory |
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Max memory channels | 2 | 2 |
Maximum memory bandwidth | 25.6 GB/s | 25.6 GB/s |
Maximum memory size | 16 GB | 32 GB |
Supported memory types | DDR3L-1333, 1600; LPDDR3-1333, 1600 | DDR3 1066/1333/1600 |
Graphics |
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Device ID | 0xA2E | 0x116 |
Graphics base frequency | 200 MHz | 650 MHz |
Graphics max dynamic frequency | 1.20 GHz | 1.30 GHz |
Graphics max frequency | 1.2 GHz | 1.3 GHz |
Intel® Clear Video HD technology | ||
Intel® Flexible Display Interface (Intel® FDI) | ||
Intel® InTru™ 3D technology | ||
Intel® Quick Sync Video | ||
Max video memory | 2 GB | |
Processor graphics | Intel® Iris® Graphics 5100 | Intel® HD Graphics 3000 |
Graphics interfaces |
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DisplayPort | ||
eDP | ||
HDMI | ||
Number of displays supported | 3 | 2 |
VGA | ||
Wireless Display (WiDi) support | ||
CRT | ||
SDVO | ||
Graphics image quality |
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Max resolution over DisplayPort | 3200x2000@60Hz | |
Max resolution over HDMI 1.4 | 3200x2000@60Hz | |
Max resolution over VGA | N / A | |
Graphics API support |
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DirectX | 11.2/12 | |
OpenGL | 4.3 | |
Compatibility |
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Low Halogen Options Available | ||
Max number of CPUs in a configuration | 1 | 1 |
Package Size | 40mm x 24mm x 1.5mm | 37.5 x 37.5mm (rPGA988B); 31.0 x 24.0mm (BGA1224) |
Sockets supported | FCBGA1168 | FCPGA988, FCBGA1224 |
Thermal Design Power (TDP) | 28 Watt | 45 Watt |
Peripherals |
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Max number of PCIe lanes | 12 | 16 |
PCI Express revision | 2 | 2.0 |
PCIe configurations | 4x1, 2x4 | 1x16, 2x8, 1x8+2x4 |
Security & Reliability |
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Execute Disable Bit (EDB) | ||
Intel® Identity Protection technology | ||
Intel® Secure Key technology | ||
Intel® Trusted Execution technology (TXT) | ||
Anti-Theft technology | ||
Advanced Technologies |
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Enhanced Intel SpeedStep® technology | ||
Flexible Display interface (FDI) | ||
Idle States | ||
Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | Intel® AVX |
Intel 64 | ||
Intel® Advanced Vector Extensions (AVX) | ||
Intel® AES New Instructions | ||
Intel® Hyper-Threading technology | ||
Intel® TSX-NI | ||
Intel® Turbo Boost technology | ||
Intel® vPro™ Platform Eligibility | ||
Thermal Monitoring | ||
4G WiMAX Wireless | ||
Intel® Demand Based Switching | ||
Intel® Fast Memory Access | ||
Intel® Flex Memory Access | ||
Intel® My WiFi technology | ||
Virtualization |
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AMD Virtualization (AMD-V™) | ||
Intel® Virtualization Technology (VT-x) | ||
Intel® Virtualization Technology for Directed I/O (VT-d) | ||
Intel® VT-x with Extended Page Tables (EPT) |