AMD Ryzen 9 7900 vs AMD Ryzen 7 7700

Comparative analysis of AMD Ryzen 9 7900 and AMD Ryzen 7 7700 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), 3DMark Fire Strike - Physics Score.

AMD Ryzen 9 7900

AMD Ryzen 7 7700

Differences

Reasons to consider the AMD Ryzen 9 7900

4 more cores, run more applications at once: 12 vs 8
8 more threads: 24 vs 16
Around 2% higher clock speed: 5.4 GHz vs 5.3 GHz
Around 50% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 50% more L2 cache; more data can be stored in the L2 cache for quick access later
2x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 2% better performance in PassMark - Single thread mark: 4141 vs 4063
Around 41% better performance in PassMark - CPU mark: 48529 vs 34481
Around 30% better performance in 3DMark Fire Strike - Physics Score: 11047 vs 8515

Specifications (specs)
Number of cores	12 vs 8
Number of threads	24 vs 16
Maximum frequency	5.4 GHz vs 5.3 GHz
L1 cache	768 KB vs 512 KB
L2 cache	12 MB vs 8 MB
L3 cache	64 MB vs 32 MB
Benchmarks
PassMark - Single thread mark	4141 vs 4063
PassMark - CPU mark	48529 vs 34481
3DMark Fire Strike - Physics Score	11047 vs 8515

Compare benchmarks

CPU 1: AMD Ryzen 9 7900
CPU 2: AMD Ryzen 7 7700

PassMark - Single thread mark

CPU 1

CPU 2

4141

4063

PassMark - CPU mark

CPU 1

CPU 2

48529

34481

3DMark Fire Strike - Physics Score

CPU 1

CPU 2

11047

8515

Name	AMD Ryzen 9 7900	AMD Ryzen 7 7700
PassMark - Single thread mark	4141	4063
PassMark - CPU mark	48529	34481
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	97.64
CompuBench 1.5 Desktop - T-Rex (Frames/s)	4.623
CompuBench 1.5 Desktop - Video Composition (Frames/s)	31.051
3DMark Fire Strike - Physics Score	11047	8515

Compare specifications (specs)

	AMD Ryzen 9 7900	AMD Ryzen 7 7700
Essentials
Architecture codename	Zen 4	Zen 4
Launch date	14 Jan 2023	14 Jan 2023
Launch price (MSRP)	$429	$329
OPN Tray	100-000000590	100-000000592
Place in performance rating	10	236
Vertical segment	Desktop	Desktop
Performance
Base frequency	3.7 GHz	3.8 GHz
Die size	71 mm²	70 mm²
L1 cache	768 KB	512 KB
L2 cache	12 MB	8 MB
L3 cache	64 MB	32 MB
Manufacturing process technology	5 nm	5 nm
Maximum case temperature (TCase)	47 °C	61 °C
Maximum core temperature	95 °C	95 °C
Maximum frequency	5.4 GHz	5.3 GHz
Number of cores	12	8
Number of threads	24	16
Transistor count	13140 million	6570 million
Unlocked
Memory
ECC memory support
Max memory channels	2	2
Supported memory types	DDR5-5200	DDR5-5200
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	AM5	AM5
Thermal Design Power (TDP)	65 Watt	65 Watt
Peripherals
Max number of PCIe lanes	24	24
PCI Express revision	5.0	5.0
Advanced Technologies
Enhanced Virus Protection (EVP)
Fused Multiply-Add 3 (FMA3)
Intel® Advanced Vector Extensions (AVX)
Intel® Advanced Vector Extensions 2 (AVX2)
Intel® AES New Instructions
Virtualization
AMD Virtualization (AMD-V™)