CPUs

Intel Xeon 6503P-B vs Intel Xeon Gold 6126T Full Specs

12 Cores
24 Threads
2GHz
12 Cores
24 Threads
2.6GHz
TDP
110W
TDP
125W
Bandwidth
153.6GB/s
DDR5
Bandwidth
128GB/s
DDR4
Socket
Socket

Xeon 6503P-BXeon 6503P-B-
-
Xeon Gold 6126TXeon Gold 6126T1,080
x1

12 Cores
12 Cores
24 Threads
24 Threads

Base Clock
2GHz
Base Clock
2.6GHz
Boost Clock
3.5GHz
Boost Clock
3.7GHz
Overclocking
Locked
Overclocking
Locked

L1i
64KB
L1i
32KB
L1d
48KB
L1d
32KB
L2
2MB
L2
1MB
L3
48MB
L3
19.3MB

Type
DDR5
Type
DDR4
Max Memory
1.13TB
Max Memory
768GB
ECC
Yes
ECC
Yes
Channels
4
Channels
6
Bus Width
256-bit
Bus Width
384-bit
Speed
4800MT/s
Speed
2666MT/s
Bandwidth
153.6GB/s
Bandwidth
128GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
153.6GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
128GB/s

TDP
110W
TDP
125W
T-Case
85°C Max
T-Case
89°C Max
Included Cooler
-
Included Cooler
0

Bus Type
-
Bus Type
UPI
Bus Config
-
Bus Config
16-bit
Bus Speed
-
Bus Speed
10.4GT/s
Bus Bandwidth
-
Bus Bandwidth
20.8GB/s

PCIe
PCIe 5.0 x32
126GB/sBandwidth
PCIe
PCIe 3.0 x48
47.3GB/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 Gold 2017 branding
Codename
Granite Rapids-D
16Die
Granite Rapids-LCCVariant
Redwood CoveP-Core
12M-Core
Codename
Skylake-E
-
Skylake-SP-HCCVariant
-
-
Market Segment
Server
Market Segment
Server
Release Date
Feb 24, 2025
Release Date
Jul 11, 2017

Foundry
Intel
Foundry
Intel
Other Foundries
IntelIO
Other Foundries
-
Fabrication Node
Intel 3
Intel 7IO
Fabrication Node
14nm
-
Die Size
-
482mm²IO
Die Size
484mm²
-
Transistor Count
-
Transistor Count
8.3 Billion
Transistor Density
-
Transistor Density
17 MTr/mm²

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