AMD Ryzen 9 7900 vs Intel Core i9-13900KS

Comparative analysis of AMD Ryzen 9 7900 and Intel Core i9-13900KS processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Advanced Technologies, Virtualization, Graphics, Graphics interfaces, Graphics image quality, Graphics API support, Security & Reliability. 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

Intel Core i9-13900KS

Differences

Reasons to consider the AMD Ryzen 9 7900

Processor is unlocked, an unlocked multiplier allows for easier overclocking
A newer manufacturing process allows for a more powerful, yet cooler running processor: 5 nm vs 7 nm
Around 78% more L3 cache; more data can be stored in the L3 cache for quick access later
2.3x lower typical power consumption: 65 Watt vs 150 Watt

Unlocked	Unlocked vs Locked
Manufacturing process technology	5 nm vs 7 nm
L3 cache	64 MB vs 36 MB
Thermal Design Power (TDP)	65 Watt vs 150 Watt

Reasons to consider the Intel Core i9-13900KS

12 more cores, run more applications at once: 24 vs 12
8 more threads: 32 vs 24
Around 11% higher clock speed: 6.00 GHz vs 5.4 GHz
Around 5% higher maximum core temperature: 100°C vs 95 °C
2.5x more L1 cache, more data can be stored in the L1 cache for quick access later
2.7x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 14% better performance in PassMark - Single thread mark: 4743 vs 4146
Around 26% better performance in PassMark - CPU mark: 61474 vs 48784
Around 49% better performance in 3DMark Fire Strike - Physics Score: 16568 vs 11106

Specifications (specs)
Number of cores	24 vs 12
Number of threads	32 vs 24
Maximum frequency	6.00 GHz vs 5.4 GHz
Maximum core temperature	100°C vs 95 °C
L1 cache	1920 KB vs 768 KB
L2 cache	32 MB vs 12 MB
Benchmarks
PassMark - Single thread mark	4743 vs 4146
PassMark - CPU mark	61474 vs 48784
3DMark Fire Strike - Physics Score	16568 vs 11106

Compare benchmarks

CPU 1: AMD Ryzen 9 7900
CPU 2: Intel Core i9-13900KS

PassMark - Single thread mark

CPU 1

CPU 2

4146

4743

PassMark - CPU mark

CPU 1

CPU 2

48784

61474

3DMark Fire Strike - Physics Score

CPU 1

CPU 2

11106

16568

Name	AMD Ryzen 9 7900	Intel Core i9-13900KS
PassMark - Single thread mark	4146	4743
PassMark - CPU mark	48784	61474
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	11106	16568

Compare specifications (specs)

	AMD Ryzen 9 7900	Intel Core i9-13900KS
Essentials
Architecture codename	Zen 4	Raptor Lake
Launch date	14 Jan 2023	4 Jan 2023
Launch price (MSRP)	$429
OPN Tray	100-000000590
Place in performance rating	16	22
Vertical segment	Desktop	Desktop
Processor Number		i9-13900KS
Series		13th Generation Intel Core i9 Processors
Performance
Base frequency	3.7 GHz
Die size	71 mm²
L1 cache	768 KB	1920 KB
L2 cache	12 MB	32 MB
L3 cache	64 MB	36 MB
Manufacturing process technology	5 nm	7 nm
Maximum case temperature (TCase)	47 °C
Maximum core temperature	95 °C	100°C
Maximum frequency	5.4 GHz	6.00 GHz
Number of cores	12	24
Number of threads	24	32
Transistor count	13140 million
Unlocked
64 bit support
Memory
ECC memory support
Max memory channels	2	2
Supported memory types	DDR5-5200	Up to DDR5 5600 MT/s Up to DDR4 3200 MT/s
Maximum memory bandwidth		89.6 GB/s
Maximum memory size		128 GB
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	AM5	FCLGA1700
Thermal Design Power (TDP)	65 Watt	150 Watt
Peripherals
Max number of PCIe lanes	24	20
PCI Express revision	5.0	5.0 and 4.0
PCIe configurations		Up to 1x16+4, 2x8+4
Scalability		1S Only
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
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions		Intel SSE4.1, Intel SSE4.2, Intel AVX2
Intel 64
Intel® Hyper-Threading technology
Intel® Thermal Velocity Boost
Intel® Turbo Boost technology
Intel® Volume Management Device (VMD)
Speed Shift technology
Thermal Monitoring
Virtualization
AMD Virtualization (AMD-V™)
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)
Graphics
Device ID		0xA780
Execution Units		32
Graphics base frequency		300 MHz
Graphics max dynamic frequency		1.65 GHz
Intel® Clear Video HD technology
Intel® Quick Sync Video
Processor graphics		Intel UHD Graphics 770
Graphics interfaces
Number of displays supported		4
Graphics image quality
Max resolution over DisplayPort		7680 x 4320 @ 60Hz
Max resolution over eDP		5120 x 3200 @ 120Hz
Graphics API support
DirectX		12
OpenGL		4.5
Security & Reliability
Execute Disable Bit (EDB)
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Secure Boot