AMD Ryzen 7 5800X3D vs Intel Core i9-11900KB
Comparative analysis of AMD Ryzen 7 5800X3D and Intel Core i9-11900KB processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Advanced Technologies, Virtualization, Graphics, Graphics interfaces, Graphics image quality, Graphics API support, Security & Reliability. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, 3DMark Fire Strike - Physics Score.
Differences
Reasons to consider the AMD Ryzen 7 5800X3D
- A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm vs 10 nm SuperFin
- 4x more L3 cache, more data can be stored in the L3 cache for quick access later
- Around 24% better performance in PassMark - CPU mark: 28309 vs 22911
| Specifications (specs) | |
| Manufacturing process technology | 7 nm vs 10 nm SuperFin |
| L3 cache | 96 MB vs 24 MB |
| Benchmarks | |
| PassMark - CPU mark | 28309 vs 22911 |
Reasons to consider the Intel Core i9-11900KB
- Around 9% higher clock speed: 4.90 GHz vs 4.5 GHz
- Around 11% higher maximum core temperature: 100°C vs 90 °C
- Around 50% more L1 cache; more data can be stored in the L1 cache for quick access later
- 2.5x more L2 cache, more data can be stored in the L2 cache for quick access later
- Around 62% lower typical power consumption: 65 Watt vs 105 Watt
- Around 2% better performance in PassMark - Single thread mark: 3310 vs 3233
- Around 5% better performance in 3DMark Fire Strike - Physics Score: 7681 vs 7303
| Specifications (specs) | |
| Maximum frequency | 4.90 GHz vs 4.5 GHz |
| Maximum core temperature | 100°C vs 90 °C |
| L1 cache | 768 KB vs 512 KB |
| L2 cache | 10 MB vs 4 MB |
| Thermal Design Power (TDP) | 65 Watt vs 105 Watt |
| Benchmarks | |
| PassMark - Single thread mark | 3310 vs 3233 |
| 3DMark Fire Strike - Physics Score | 7681 vs 7303 |
Compare benchmarks
CPU 1: AMD Ryzen 7 5800X3D
CPU 2: Intel Core i9-11900KB
| PassMark - Single thread mark |
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| PassMark - CPU mark |
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| 3DMark Fire Strike - Physics Score |
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| Name | AMD Ryzen 7 5800X3D | Intel Core i9-11900KB |
|---|---|---|
| PassMark - Single thread mark | 3233 | 3310 |
| PassMark - CPU mark | 28309 | 22911 |
| 3DMark Fire Strike - Physics Score | 7303 | 7681 |
Compare specifications (specs)
| AMD Ryzen 7 5800X3D | Intel Core i9-11900KB | |
|---|---|---|
Essentials |
||
| Architecture codename | Zen 3 | Tiger Lake |
| Launch date | 20 Apr 2022 | Q2'21 |
| Launch price (MSRP) | $449 | $539 |
| OPN PIB | 100-100000651WOF | |
| OPN Tray | 100-000000651 | |
| Place in performance rating | 549 | 556 |
| Vertical segment | Desktop | Desktop |
| Processor Number | i9-11900KB | |
| Series | 11th Generation Intel Core i9 Processors | |
| Status | Launched | |
Performance |
||
| Base frequency | 3.4 GHz | 3.30 GHz |
| Die size | 74 mm² | |
| L1 cache | 512 KB | 768 KB |
| L2 cache | 4 MB | 10 MB |
| L3 cache | 96 MB | 24 MB |
| Manufacturing process technology | 7 nm | 10 nm SuperFin |
| Maximum core temperature | 90 °C | 100°C |
| Maximum frequency | 4.5 GHz | 4.90 GHz |
| Number of cores | 8 | 8 |
| Number of threads | 16 | 16 |
| Unlocked | ||
| 64 bit support | ||
| Bus Speed | 8 GT/s | |
Memory |
||
| ECC memory support | ||
| Max memory channels | 2 | 2 |
| Supported memory types | DDR4-3200 | Up to 3200 MT/s |
| Maximum memory bandwidth | 51.2 GB/s | |
| Maximum memory size | 128 GB | |
Compatibility |
||
| Max number of CPUs in a configuration | 1 | 1 |
| Sockets supported | AM4 | FCBGA1787 |
| Thermal Design Power (TDP) | 105 Watt | 65 Watt |
| Configurable TDP-down | 55 Watt | |
| Configurable TDP-up | 65 Watt | |
| Package Size | 50mm x 26.5mm | |
Peripherals |
||
| Max number of PCIe lanes | 20 | 20 |
| PCI Express revision | 4.0 | |
| PCIe configurations | Up to 1x16+1x4, 2x8+1x4, 1x8+3x4 | |
Advanced Technologies |
||
| AMD SenseMI | ||
| AMD StoreMI technology | ||
| Fused Multiply-Add 3 (FMA3) | ||
| Intel® Advanced Vector Extensions (AVX) | ||
| Intel® Advanced Vector Extensions 2 (AVX2) | ||
| Intel® AES New Instructions | ||
| Enhanced Intel SpeedStep® technology | ||
| Idle States | ||
| Instruction set extensions | Intel SSE4.1, Intel SSE4.2, Intel AVX2 | |
| Intel 64 | ||
| Intel® Flex Memory Access | ||
| Intel® Hyper-Threading technology | ||
| Intel® Optane™ Memory Supported | ||
| Speed Shift technology | ||
| Thermal Monitoring | ||
Virtualization |
||
| 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) | ||
Graphics |
||
| Execution Units | 32 | |
| Graphics base frequency | 350 MHz | |
| Graphics max dynamic frequency | 1.45 GHz | |
| Intel® Quick Sync Video | ||
| Processor graphics | Intel UHD Graphics for 11th Gen Intel Processors | |
Graphics interfaces |
||
| Number of displays supported | 4 | |
Graphics image quality |
||
| 4K resolution support | ||
| Max resolution over DisplayPort | 7680x4320@60Hz | |
| Max resolution over eDP | 4096 x 2304@60Hz | |
Graphics API support |
||
| DirectX | 12 | |
| OpenGL | 4.6 | |
Security & Reliability |
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| Execute Disable Bit (EDB) | ||
| Intel® Identity Protection technology | ||
| Intel® OS Guard | ||
| Intel® Secure Key technology | ||
| Intel® Software Guard Extensions (Intel® SGX) | ||
| Intel® Trusted Execution technology (TXT) | ||
| Secure Boot | ||
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