CPUs

Intel Xeon 6503P-B vs Intel Xeon E5-2648L Full Specs

12 Cores
24 Threads
2GHz
8 Cores
16 Threads
1.8GHz
TDP
110W
TDP
70W
Bandwidth
153.6GB/s
DDR5
Bandwidth
51.2GB/s
DDR3
Socket
Socket

Xeon 6503P-BXeon 6503P-B-
-
Xeon E5-2648LXeon E5-2648L703
x1

12 Cores
8 Cores
24 Threads
16 Threads

Base Clock
2GHz
Base Clock
1.8GHz
Boost Clock
3.5GHz
Boost Clock
2.1GHz
Overclocking
Locked
Overclocking
Locked

L1i
64KB
L1i
32KB
L1d
48KB
L1d
32KB
L2
2MB
L2
256KB
L3
48MB
L3
20MB

Type
DDR5
Type
DDR3
Max Memory
1.13TB
Max Memory
384GB
ECC
Yes
ECC
Yes
Channels
4
Channels
4
Bus Width
256-bit
Bus Width
256-bit
Speed
4800MT/s
Speed
1600MT/s
Bandwidth
153.6GB/s
Bandwidth
51.2GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
153.6GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
51.2GB/s

TDP
110W
TDP
70W
T-Case
85°C Max
T-Case
-

Bus Type
-
Bus Type
QPI
Bus Config
-
Bus Config
16-bit
Bus Speed
-
Bus Speed
8GT/s
Bus Bandwidth
-
Bus Bandwidth
16GB/s

PCIe
PCIe 5.0 x32
126GB/sBandwidth
PCIe
PCIe 3.0 x40
39.4GB/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 2011 branding
Codename
Granite Rapids-D
16Die
Granite Rapids-LCCVariant
Redwood CoveP-Core
12M-Core
Codename
Sandy Bridge-E
Sandy Bridge-EP-8Die
Sandy Bridge-EP-8CVariant
-
-
Market Segment
Server
Market Segment
Server
Release Date
Feb 24, 2025
Release Date
Mar 6, 2012

Foundry
Intel
Foundry
Intel
Other Foundries
IntelIO
Other Foundries
-
Fabrication Node
Intel 3
Intel 7IO
Fabrication Node
32nm
-
Die Size
-
482mm²IO
Die Size
435mm²
-
Transistor Count
-
Transistor Count
2.3 Billion
Transistor Density
-
Transistor Density
5 MTr/mm²

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