Intel Xeon Gold 6434 vs Intel Xeon Gold 6421N

Comparative analysis of Intel Xeon Gold 6434 and Intel Xeon Gold 6421N processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

Intel Xeon Gold 6434

Intel Xeon Gold 6421N

Differences

Reasons to consider the Intel Xeon Gold 6434

Around 14% higher clock speed: 4.1 GHz vs 3.6 GHz
262144x more L2 cache, more data can be stored in the L2 cache for quick access later
393216x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 13% better performance in PassMark - Single thread mark: 3367 vs 2978

Specifications (specs)
Maximum frequency	4.1 GHz vs 3.6 GHz
L2 cache	2 MB (per core) vs 2MB (per core)
L3 cache	22.5 MB vs 60MB
Max number of CPUs in a configuration	2 vs 1
Benchmarks
PassMark - Single thread mark	3367 vs 2978

Reasons to consider the Intel Xeon Gold 6421N

24 more cores, run more applications at once: 32 vs 8
48 more threads: 64 vs 16
4x more L1 cache, more data can be stored in the L1 cache for quick access later
Around 5% lower typical power consumption: 185 Watt vs 195 Watt
Around 27% better performance in PassMark - CPU mark: 58797 vs 46362

Specifications (specs)
Number of cores	32 vs 8
Number of threads	64 vs 16
L1 cache	80K (per core) vs 80 KB (per core)
Thermal Design Power (TDP)	185 Watt vs 195 Watt
Benchmarks
PassMark - CPU mark	58797 vs 46362

Compare benchmarks

CPU 1: Intel Xeon Gold 6434
CPU 2: Intel Xeon Gold 6421N

PassMark - Single thread mark

CPU 1

CPU 2

3367

2978

PassMark - CPU mark

CPU 1

CPU 2

46362

58797

Name	Intel Xeon Gold 6434	Intel Xeon Gold 6421N
PassMark - Single thread mark	3367	2978
PassMark - CPU mark	46362	58797

Compare specifications (specs)

	Intel Xeon Gold 6434	Intel Xeon Gold 6421N
Essentials
Launch date	10 Jan 2023	10 Jan 2023
Launch price (MSRP)	$2607	$2368
Place in performance rating	183	185
Performance
Base frequency	3.7 GHz	1800 MHz
L1 cache	80 KB (per core)	80K (per core)
L2 cache	2 MB (per core)	2MB (per core)
L3 cache	22.5 MB	60MB
Manufacturing process technology	10 nm	10 nm
Maximum case temperature (TCase)	64°C	85°C
Maximum frequency	4.1 GHz	3.6 GHz
Number of cores	8	32
Number of threads	16	64
Unlocked
Memory
ECC memory support
Supported memory types	DDR5	DDR5-4400 MHz, Eight-channel
Compatibility
Max number of CPUs in a configuration	2	1
Sockets supported	4677	4677
Thermal Design Power (TDP)	195 Watt	185 Watt
Peripherals
PCIe configurations	Gen 5, 80 Lanes, (CPU only)	Gen 5, 80 Lanes, (CPU only)