CPUs

AMD Ryzen Threadripper 3990X vs Intel Core i7-3970X Full Specs

64 Cores
128 Threads
2.9GHz
6 Cores
12 Threads
3.5GHz
TDP
280W
TDP
150W
Bandwidth
102.4GB/s
DDR4
Bandwidth
51.2GB/s
DDR3
Socket
Socket

64 Cores
6 Cores
128 Threads
12 Threads

Base Clock
2.9GHz
Base Clock
3.5GHz
Boost Clock
4.3GHz
Boost Clock
4GHz
Overclocking
Unlocked
Overclocking
Locked

L1i
32KB
L1i
32KB
L1d
32KB
L1d
32KB
L2
512KB
L2
256KB
L3
256MB
L3
15MB

Type
DDR4
Type
DDR3
Max Memory
512GB
Max Memory
64GB
ECC
Yes
ECC
No
Channels
4
Channels
4
Bus Width
256-bit
Bus Width
256-bit
Speed
3200MT/s
Speed
1600MT/s
Bandwidth
102.4GB/s
Bandwidth
51.2GB/s
Bandwidth Calculator
Channels
Transfer Rate
··
102.4GB/s
Bandwidth Calculator
Channels
Transfer Rate
··
51.2GB/s

TDP
280W
TDP
150W
Peak Power
280W
Peak Power
-
Max Operating Temp
95°C Max
Max Operating Temp
-
T-Case
-
T-Case
66.8°C Max
Included Cooler
0
Included Cooler
0

Bus Type
PCIe
Bus Type
DMI
Bus Config
8 lanes
Bus Config
4 lanes
Bus Speed
16GT/s
Bus Speed
5GT/s
Bus Bandwidth
16GB/s
Bus Bandwidth
2.5GB/s

PCIe
PCIe 4.0 x64
126GB/sBandwidth
PCIe
PCIe 2.0 x40
20GB/sBandwidth

Manufacturer
Manufacturer
ISA
x86-64
ISA
x86-64
Architecture
Architecture
Family
Family
Branding
Ryzen Threadripper 2017 branding
Branding
Core i7 Extreme 2011 branding
Codename
Castle Peak
Aspen HighlandsDie
Castle Peak 8CCDVariant
Codename
Sandy Bridge-E
Sandy Bridge-EP-8Die
Sandy Bridge-EP-8CVariant
Market Segment
Workstation
Market Segment
Workstation
Release Date
Feb 7, 2020
Release Date
Nov 1, 2012

Foundry
TSMC
Foundry
Intel
Other Foundries
GlobalFoundriesIO
Other Foundries
-
Fabrication Node
N7
12LPIO
Fabrication Node
32nm
-
Die Size
592mm²
416mm²IO
Die Size
435mm²
-
Transistor Count
30.4 Billion
8.3 BillionIO
Transistor Count
2.3 Billion
-
Transistor Density
51 MTr/mm²
20 MTr/mm²IO
Transistor Density
5 MTr/mm²
-