Intel Xeon W3540 vs. Intel Xeon E3-1275

CPU Comparison, Reviews and Tests
Intel Xeon W3540
Intel Xeon E3-1275

Side by side comparison and review of Intel Xeon W3540 and Intel Xeon E3-1275. Compare overall performance, core and thread counts, cache memory, speed, power efficiency, dimensions, socket compatibility and other key specifications and features to simplify the choice of your perfect CPU. Our goal is to make it easier for you to decide on the processor that will best meet your expectations by revealing the main differences between the products.

CPUs Specifications Comparison

Intel Xeon W3540 vs. Intel Xeon E3-1275 Benchmark Chart
GENERAL Intel Xeon W3540 Intel Xeon E3-1275
Product Type Processor Processor
PROCESSOR Intel Xeon W3540 Intel Xeon E3-1275
Type Intel Xeon W3540 Intel Xeon E3-1275
ARCHITECTURE
Processor Qty 1 1
Packaging Type FC-LGA8 -
Compatible Processor Socket LGA1366 Socket LGA1155 Socket
Manufacturing Process 45 nm 32 nm
Thermal Design Power 130 W 95 W
Thermal Specification 67 °C 72.6 °C
PCI Express Revision - 2.0
PCI Express Lanes Qty - 20
Architecture Features Enhanced SpeedStep technology, streaming SIMD extensions 2, Hyper-Threading Technology, integrated memory controller, streaming SIMD extensions 3, Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel I/O Acceleration Technology, streaming SIMD extensions 4 Hyper-Threading Technology, Demand Based Switching, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel Trusted Execution Technology, streaming SIMD extensions 4.1, streaming SIMD extensions 4.2, Intel Fast Memory Access, Intel Flex Memory Access, Intel Turbo Boost Technology 2.0, Intel Advanced Vector Extensions (AVX), Intel AES New Instructions (AES-NI)
PERFORMANCE
Number of Cores Quad-Core Quad-Core
Number of Threads 8 threads 8 threads
Clock Speed (Frequency) 2.93 GHz 3.4 GHz
Max Turbo Speed 3.2 GHz 3.8 GHz
Bus Speed 1066 MHz -
64-bit Computing Yes Yes
CACHE MEMORY
Cache 8 MB 8 MB
Cache Level 1 Size - 256 KB
Cache Memory Details L3 - 8 MB Smart Cache - 8 MB
Installed Size 8 MB 8 MB
INTEGRATED GRAPHICS (GPU) Intel Xeon W3540 Intel Xeon E3-1275
Type - Intel HD Graphics P3000
Base Frequency - 850 MHz
Max Dynamic Frequency - 1.35 GHz
Features - Dual Display Capable, Intel FDI, Intel Clear Video HD Technology, InTRU 3D Technology, Intel Quick Sync Video
EXPANSION & CONNECTIVITY Intel Xeon W3540 Intel Xeon E3-1275
Expansion Slots 1 processor -
Compatible Slots 1 x processor 1 x processor - LGA1155 Socket
MISCELLANEOUS Intel Xeon W3540 Intel Xeon E3-1275
Included Accessories - Heat sink
Compliant Standards - Halogen-free
Service & Support Limited warranty - 90 days Limited warranty - 3 years
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