Product Comparison: Intel Xeon E5620 vs Intel Xeon E5645


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Intel Xeon E5620 CPU Processor
Intel Xeon E5645 CPU Processor
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General Specifications
Brand
Intel
Intel
Model
Xeon E5620
Xeon E5645
Origin
China
China
About the Product
This is Westmere-EP architecture processor primarily aimed at office systems. It has 4 cores and 8 threads, and is based on 32 nm manufacturing technology, with a maximum frequency of 2660 MHz.
This is Westmere-EP architecture processor primarily aimed at office systems. It has 6 cores and 12 threads, and is based on 32 nm manufacturing technology, with a maximum frequency of 2670 MHz.
Package Size
Height
5.5 in.
5.5 in.
Width
4.7 in.
4.7 in.
Depth
2 in.
2 in.
Weight
1.1 lbs.
1.1 lbs.
Details
Socket
FCLGA1366
FCLGA1366
Lithography
32 nm
32 nm
Type of Processors
Server
Server
Code Name
Westmere EP
Westmere EP
What customers say about "Details"
Intel Xeon E5620 CPU Processor
  • Reliable processor, due to the 32nm process technology.
  • Nice socket, easy to install. Happy with the purchase.
  • Excellent performance for the server processor due to the socket.
  • The socket is outdated, with no potential.
  • FCLGA1366 is already old, the motherboard is hard to find.
Intel Xeon E5645 CPU Processor
  • FCLGA1366 is god socket for office PC.
  • Good socket performance! Good variant for the upgrade.
  • Excellent Xeon, its socket has good core performance.
  • I love this socket, it was easy to install.
  • It's outdated socket, you can find better models. Bad performance.
Technical Specifications
CPU Cores
4
6
CPU Threads
8
12
Clock Speed
2.4 GHz
2.4 GHz
Turbo Clock Speed
2.66 GHz
2.67 GHz
Max TDP
80 W
80 W
Max Temperature
77.6 °C
76.2 °C
Data Width
64 bits
64 bits
Virtualization Technology
Yes
Yes
What customers say about "Technical Specifications"
Intel Xeon E5620 CPU Processor
  • Heats up poorly, if not overclocked.
  • It does not heat up, 4 cores, thinks quickly and does not require an upgrade for another couple of years.
  • Heats up a bit! at idle 32 degrees, under load 45!
  • Good CPU, powerful and not expensive.
  • The processor is very hot. Dislike.
Intel Xeon E5645 CPU Processor
  • The most powerful priced variant for starting a game hosting.
  • Overclocks well, 6 cores. Great processor.
  • The main advantages are high performance and 32nm lithography.
  • Does not overheat and does not lag. I'm happy with the choice.
  • An excellent Xeon, it works stably, 6 cores in 12 threads are impressive.
Cache And Memory Specifications
L1 Cache Size
256 kB
384 kB
L2 Cache Size
1024 kB
1536 kB
L3 Cache Size
12000 kB
12000 kB
Max Memory Size
288 GB
288 GB
Memory Types
DDR3
DDR3
Max Memory Channels
3
3
Max Memory Bandwidth
25.6 GB/s
32 GB/s
What customers say about "Cache And Memory Specifications"
Intel Xeon E5620 CPU Processor
  • This CPU has a lot of cache, really!
  • Works fine, fast memory. I like it.
  • 288 GB of max RAM, that so impressive!
  • It has a fast memory, I'm satisfied. Use CPU at the office PC.
  • Supports DDR3 with a low frequency, which affects performance.
Intel Xeon E5645 CPU Processor
  • 6 cores, 288 GB of RAM can be installed. Amazing CPU.
  • Overclocked well. 6 cores. Large cache.
  • L1 and L2 levels of cache are great!
  • Works well, good office CPU. I like cache size.
  • 3 memory channels make my PC faster.
Supported Technologies
Execute Disable Bit / Virus Protection
Yes
Yes
Turbo Boost / Turbo Core
Yes
Yes
Enhanced SpeedStep / PowerNow!
Yes
Yes
Hyper-Threading / HyperTransport
Yes
Yes
Warranty / Certifications
Manufacturer Warranty
3 year(s)
3 year(s)
Certifications
CE, FCC
CE, FCC
Other Information
Manufacturer
Link
Link

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