Xeon E3-1558L v5 vs i7-950
Primary details
Comparing Core i7-950 and Xeon E3-1558L v5 processor market type (desktop or notebook), architecture, sales start time and price.
Place in performance ranking | 1869 | not rated |
Place by popularity | not in top-100 | not in top-100 |
Cost-effectiveness evaluation | 0.14 | no data |
Market segment | Desktop processor | Server |
Series | Core i7 (Desktop) | Intel Xeon E3 |
Architecture codename | Bloomfield (2008−2010) | Skylake-H (2015−2016) |
Release date | 2 June 2009 (15 years ago) | 31 May 2016 (8 years ago) |
Launch price (MSRP) | $290 | $396 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i7-950 and Xeon E3-1558L v5 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 | 4 (Quad-Core) | 4 (Quad-Core) |
Threads | 8 | 8 |
Base clock speed | 3.06 GHz | 1.9 GHz |
Boost clock speed | 3.33 GHz | 1.9 GHz |
Bus type | no data | DMI 3.0 |
Bus rate | 1333 MHz | 4 × 8 GT/s |
Multiplier | no data | 19 |
L1 cache | 64 KB (per core) | 256 KB |
L2 cache | 256 KB (per core) | 1 MB |
L3 cache | 8 MB (shared) | 8 MB (shared) |
Chip lithography | 45 nm | 14 nm |
Die size | 263 mm2 | 171 mm2 |
Maximum core temperature | 68 °C | no data |
Number of transistors | 731 million | 2,300 million |
64 bit support | + | + |
Windows 11 compatibility | - | - |
Compatibility
Information on Core i7-950 and Xeon E3-1558L v5 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 | 1 | 1 (Uniprocessor) |
Socket | FCLGA1366 | Intel BGA 1440 |
Power consumption (TDP) | 130 Watt | 45 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-950 and Xeon E3-1558L v5. You'll probably need this information if you require some particular technology.
Instruction set extensions | Intel® SSE4.2 | no data |
AES-NI | - | + |
AVX | - | + |
vPro | no data | + |
Enhanced SpeedStep (EIST) | + | + |
Turbo Boost Technology | 1.0 | no data |
Hyper-Threading Technology | + | no data |
TSX | - | + |
Idle States | + | no data |
Demand Based Switching | - | no data |
PAE | 36 Bit | no data |
Status | Discontinued | no data |
Security technologies
Core i7-950 and Xeon E3-1558L v5 technologies aimed at improving security, for example, by protecting against hacks.
TXT | + | + |
EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-950 and Xeon E3-1558L v5 are enumerated here.
VT-d | no data | + |
VT-x | + | + |
EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-950 and Xeon E3-1558L v5. Depending on the motherboard, higher memory frequencies may be supported.
Supported memory types | DDR3 | LPDDR3-1866 |
Maximum memory size | 24 GB | 64 GB |
Max memory channels | 3 | 2 |
Maximum memory bandwidth | 25.6 GB/s | 34.134 GB/s |
ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
Integrated graphics card | N/A | Intel Iris Pro Graphics P555 |
Peripherals
Specifications and connection of peripherals supported by Core i7-950 and Xeon E3-1558L v5.
PCIe version | 2.0 | 3.0 |
PCI Express lanes | no data | 16 |
Pros & cons summary
Recency | 2 June 2009 | 31 May 2016 |
Chip lithography | 45 nm | 14 nm |
Power consumption (TDP) | 130 Watt | 45 Watt |
Xeon E3-1558L v5 has an age advantage of 6 years, a 221.4% more advanced lithography process, and 188.9% lower power consumption.
We couldn't decide between Core i7-950 and Xeon E3-1558L v5. We've got no test results to judge.
Note that Core i7-950 is a desktop processor while Xeon E3-1558L v5 is a server/workstation one.
Should you still have questions on choice between Core i7-950 and Xeon E3-1558L v5, ask them in Comments section, and we shall answer.
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