CPUs

AMD RX-421BD vs AMD RX-421ND Full Specs

2 Cores
4 Threads
2.1GHz
2 Cores
4 Threads
2.1GHz
TDP
35W
TDP
35W
Bandwidth
38.4GB/s
DDR4
Bandwidth
38.4GB/s
DDR4
iGPU
iGPU
0
··
819.2 GFLOPSFP16
··
-
Socket
Socket

RX-421BDRX-421BD567
x1.09
RX-421NDRX-421ND520
x1

2 Cores
2 Cores
4 Threads
4 Threads

Base Clock
2.1GHz
Base Clock
2.1GHz
Boost Clock
3.4GHz
Boost Clock
3.4GHz
Overclocking
Locked
Overclocking
Locked

L1i
96KB
L1i
96KB
L1d
32KB
L1d
32KB
L2
1MB
L2
1MB

Type
DDR4
Type
DDR4
Max Memory
64GB
Max Memory
64GB
ECC
Yes
ECC
Yes
Channels
2
Channels
2
Bus Width
128-bit
Bus Width
128-bit
Speed
2400MT/s
Speed
2400MT/s
Bandwidth
38.4GB/s
Bandwidth
38.4GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
38.4GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
38.4GB/s

TDP
35W
TDP
35W
cTDP-down
12W
cTDP-down
12W
Max Operating Temp
90°C Max
Max Operating Temp
90°C Max

Bus Type
PCIe
Bus Type
PCIe
Bus Config
4 lanes
Bus Config
4 lanes
Bus Speed
8GT/s
Bus Speed
8GT/s
Bus Bandwidth
4GB/s
Bus Bandwidth
4GB/s

PCIe
PCIe 3.0 x8
7.9GB/sBandwidth
PCIe
PCIe 3.0 x8
7.9GB/sBandwidth

iGPU
iGPU
0
Shaders
512
Shaders
-
Boost Clock
800MHz
Boost Clock
-
··
819.2 GFLOPSFP16
··
-

Manufacturer
Manufacturer
ISA
x86-64
ISA
x86-64
Architecture
Architecture
Family
Family
Branding
R Series 2015 branding
Branding
R Series 2015 branding
Codename
Merlin Falcon
Codename
Merlin Falcon
Market Segment
Embedded
Market Segment
Embedded
Release Date
Oct 21, 2015
Release Date
Oct 21, 2015

Foundry
GlobalFoundries
Foundry
GlobalFoundries
Fabrication Node
28nm
Fabrication Node
28nm
Die Size
250mm²
Die Size
250mm²
Transistor Count
3.1 Billion
Transistor Count
3.1 Billion
Transistor Density
12 MTr/mm²
Transistor Density
12 MTr/mm²

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