Ryzen 7 5800G vs Xeon E5645
Primary details
Comparing Xeon E5645 and Ryzen 7 5800G processor market type (desktop or notebook), architecture, sales start time and price.
Place in performance ranking | 1574 | not rated |
Place by popularity | not in top-100 | not in top-100 |
Cost-effectiveness evaluation | 1.84 | no data |
Market segment | Server | Desktop processor |
Architecture codename | Westmere-EP (2010−2011) | Cezanne (2021−2024) |
Release date | 16 March 2010 (14 years ago) | no data |
Launch price (MSRP) | $294 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Xeon E5645 and Ryzen 7 5800G basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
Physical cores | 6 (Hexa-Core) | 8 (Octa-Core) |
Threads | 12 | 16 |
Base clock speed | 2.4 GHz | 3.8 GHz |
Boost clock speed | 2.67 GHz | 4.8 GHz |
L1 cache | 64 KB (per core) | 64 KB (per core) |
L2 cache | 256 KB (per core) | 512 KB (per core) |
L3 cache | 12 MB (shared) | 16 MB |
Chip lithography | 32 nm | 7 nm |
Die size | 239 mm2 | 180 mm2 |
Maximum core temperature | 76 °C | no data |
Maximum case temperature (TCase) | no data | 95 °C |
Number of transistors | 1,170 million | 10,700 million |
64 bit support | + | + |
Windows 11 compatibility | - | no data |
Unlocked multiplier | - | + |
Compatibility
Information on Xeon E5645 and Ryzen 7 5800G compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
Number of CPUs in a configuration | 2 | 1 |
Socket | FCLGA1366,LGA1366 | AM4 |
Power consumption (TDP) | 80 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon E5645 and Ryzen 7 5800G. You'll probably need this information if you require some particular technology.
Instruction set extensions | Intel® SSE4.2 | no data |
AES-NI | + | + |
AVX | - | + |
Enhanced SpeedStep (EIST) | + | no data |
Turbo Boost Technology | 1.0 | no data |
Hyper-Threading Technology | + | no data |
Idle States | + | no data |
Demand Based Switching | + | no data |
PAE | 40 Bit | no data |
Status | Discontinued | no data |
Precision Boost 2 | no data | + |
Security technologies
Xeon E5645 and Ryzen 7 5800G technologies aimed at improving security, for example, by protecting against hacks.
TXT | + | no data |
EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon E5645 and Ryzen 7 5800G are enumerated here.
AMD-V | - | + |
VT-d | + | no data |
VT-x | + | no data |
EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon E5645 and Ryzen 7 5800G. Depending on the motherboard, higher memory frequencies may be supported.
Supported memory types | DDR3 | DDR4-3200 |
Maximum memory size | 288 GB | no data |
Max memory channels | 3 | no data |
Maximum memory bandwidth | 32 GB/s | no data |
ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
Integrated graphics card | no data | AMD Radeon RX Vega 8 (Ryzen 2000/3000) |
Peripherals
Specifications and connection of peripherals supported by Xeon E5645 and Ryzen 7 5800G.
PCIe version | 2.0 | 3.0 |
PCI Express lanes | no data | 16 |
Pros & cons summary
Physical cores | 6 | 8 |
Threads | 12 | 16 |
Chip lithography | 32 nm | 7 nm |
Power consumption (TDP) | 80 Watt | 65 Watt |
Ryzen 7 5800G has 33.3% more physical cores and 33.3% more threads, a 357.1% more advanced lithography process, and 23.1% lower power consumption.
We couldn't decide between Xeon E5645 and Ryzen 7 5800G. We've got no test results to judge.
Be aware that Xeon E5645 is a server/workstation processor while Ryzen 7 5800G is a desktop one.
Should you still have questions on choice between Xeon E5645 and Ryzen 7 5800G, ask them in Comments section, and we shall answer.
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