AMD Radeon RX 7900 XTX vs NVIDIA GeForce RTX 4090 Max-Q

Comparative analysis of AMD Radeon RX 7900 XTX and NVIDIA GeForce RTX 4090 Max-Q videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory. Benchmark videocards performance analysis: PassMark - G2D Mark, PassMark - G3D Mark, 3DMark Fire Strike - Graphics Score, Geekbench - OpenCL, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

AMD Radeon RX 7900 XTX

NVIDIA GeForce RTX 4090 Max-Q

Differences

Reasons to consider the AMD Radeon RX 7900 XTX

Around 99% higher core clock speed: 1855 MHz vs 930 MHz
Around 72% higher boost clock speed: 2499 MHz vs 1455 MHz
2.2x more texture fill rate: 959.6 GTexel/s vs 442.3 GTexel/s
Around 50% higher maximum memory size: 24 GB vs 16 GB
Around 43% higher memory clock speed: 2500 MHz, 20 Gbps effective vs 1750 MHz, 14 Gbps effective

Core clock speed	1855 MHz vs 930 MHz
Boost clock speed	2499 MHz vs 1455 MHz
Texture fill rate	959.6 GTexel/s vs 442.3 GTexel/s
Maximum memory size	24 GB vs 16 GB
Memory clock speed	2500 MHz, 20 Gbps effective vs 1750 MHz, 14 Gbps effective

Reasons to consider the NVIDIA GeForce RTX 4090 Max-Q

Videocard is newer: launch date 3 year(s) 7 month(s) later
Around 58% higher pipelines: 9728 vs 6144
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 4 nm vs 5 nm
2.4x lower typical power consumption: 150 Watt vs 355 Watt

Launch date	2023 vs 3 Nov 2022
Pipelines	9728 vs 6144
Manufacturing process technology	4 nm vs 5 nm
Thermal Design Power (TDP)	150 Watt vs 355 Watt

Compare benchmarks

GPU 1: AMD Radeon RX 7900 XTX
GPU 2: NVIDIA GeForce RTX 4090 Max-Q

Name	AMD Radeon RX 7900 XTX	NVIDIA GeForce RTX 4090 Max-Q
PassMark - G2D Mark	1255
PassMark - G3D Mark	31122
3DMark Fire Strike - Graphics Score	6841
Geekbench - OpenCL	189258
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	492.964
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	14101.507
CompuBench 1.5 Desktop - T-Rex (Frames/s)	65.586
CompuBench 1.5 Desktop - Video Composition (Frames/s)	461.69
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	2659.85

Compare specifications (specs)

	AMD Radeon RX 7900 XTX	NVIDIA GeForce RTX 4090 Max-Q
Essentials
Architecture	RDNA 3.0	Ada Lovelace
Code name	Navi 31	AD103
Launch date	3 Nov 2022	2023
Place in performance rating	9	not rated
Technical info
Boost clock speed	2499 MHz	1455 MHz
Compute units	96
Core clock speed	1855 MHz	930 MHz
Manufacturing process technology	5 nm	4 nm
Peak Double Precision (FP64) Performance	3.838 TFLOPS (1:16)	442.3 GFLOPS (1:64)
Peak Half Precision (FP16) Performance	122.8 TFLOPS (2:1)	28.31 TFLOPS (1:1)
Peak Single Precision (FP32) Performance	61.42 TFLOPS	28.31 TFLOPS
Pipelines	6144	9728
Pixel fill rate	479.8 GPixel/s	163.0 GPixel/s
Texture fill rate	959.6 GTexel/s	442.3 GTexel/s
Thermal Design Power (TDP)	355 Watt	150 Watt
Transistor count	57700 million	45900 million
Video outputs and ports
Display Connectors	1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C	Portable Device Dependent
Compatibility, dimensions and requirements
Form factor	Dual-slot	IGP
Height	51 mm, 2 inches
Interface	PCIe 4.0 x16	PCIe 4.0 x16
Length	287 mm, 11.3 inches
Recommended system power (PSU)	750 Watt
Supplementary power connectors	2x 8-pin	None
Width	135 mm, 5.3 inches
API support
DirectX	12 Ultimate (12_2)	12 Ultimate (12_2)
OpenCL	2.1	3.0
OpenGL	4.6	4.6
Shader Model	6.7	6.7
Vulkan
Memory
Maximum RAM amount	24 GB	16 GB
Memory bandwidth	960.0 GB/s	448.0 GB/s
Memory bus width	384 bit	256 bit
Memory clock speed	2500 MHz, 20 Gbps effective	1750 MHz, 14 Gbps effective
Memory type	GDDR6	GDDR6