CPUs

Intel Xeon 6503P-B vs Intel Xeon E7520 Full Specs

12 Cores
24 Threads
2GHz
4 Cores
8 Threads
1.86GHz
TDP
110W
TDP
105W
Bandwidth
153.6GB/s
DDR5
Bandwidth
42.7GB/s
DDR3
Socket
Socket

Xeon 6503P-BXeon 6503P-B-
-
Xeon E7520Xeon E7520279
x1

12 Cores
4 Cores
24 Threads
8 Threads

Base Clock
2GHz
Base Clock
1.86GHz
Boost Clock
3.5GHz
Boost Clock
-
Overclocking
Locked
Overclocking
Locked

L1i
64KB
L1i
32KB
L1d
48KB
L1d
32KB
L2
2MB
L2
256KB
L3
48MB
L3
18MB

Type
DDR5
Type
DDR3
Max Memory
1.13TB
Max Memory
2.05TB
ECC
Yes
ECC
Yes
Channels
4
Channels
4
Bus Width
256-bit
Bus Width
256-bit
Speed
4800MT/s
Speed
1333MT/s
Bandwidth
153.6GB/s
Bandwidth
42.7GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
153.6GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
42.7GB/s

TDP
110W
TDP
105W
T-Case
85°C Max
T-Case
70°C Max
Voltage Range
-
Voltage Range
-

Bus Type
-
Bus Type
QPI
Bus Config
-
Bus Config
16-bit
Bus Speed
-
Bus Speed
4.8GT/s
Bus Bandwidth
-
Bus Bandwidth
9.6GB/s

PCIe
PCIe 5.0 x32
126GB/sBandwidth
-
PCIe Secondary
PCIe 4.0 x16
31.5GB/sBandwidth
-

Manufacturer
Manufacturer
ISA
x86-64
ISA
x86-64
Architecture
Architecture
Family
Family
Branding
Xeon 2024 branding
Branding
Xeon 2010 branding
Codename
Granite Rapids-D
16Die
Granite Rapids-LCCVariant
Redwood CoveP-Core
12M-Core
Codename
Nehalem-EX
-
-
BecktonP-Core
-
Market Segment
Server
Market Segment
Server
Release Date
Feb 24, 2025
Release Date
Mar 30, 2010

Foundry
Intel
Foundry
Intel
Other Foundries
IntelIO
Other Foundries
-
Fabrication Node
Intel 3
Intel 7IO
Fabrication Node
45nm
-
Die Size
-
482mm²IO
Die Size
648mm²
-
Transistor Count
-
Transistor Count
2.3 Billion
Transistor Density
-
Transistor Density
4 MTr/mm²

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