AMD Radeon RX 7900 XT vs NVIDIA GeForce RTX 4090 Mobile

Comparative analysis of AMD Radeon RX 7900 XT and NVIDIA GeForce RTX 4090 Mobile 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 XT

NVIDIA GeForce RTX 4090 Mobile

Differences

Reasons to consider the AMD Radeon RX 7900 XT

Around 12% higher core clock speed: 1500 MHz vs 1335 MHz
Around 41% higher boost clock speed: 2394 MHz vs 1695 MHz
Around 56% higher texture fill rate: 804.4 GTexel/s vs 515.3 GTexel/s
Around 25% higher maximum memory size: 20 GB vs 16 GB
Around 25% higher memory clock speed: 2500 MHz, 20 Gbps effective vs 2000 MHz, 16 Gbps effective
Around 21% better performance in PassMark - G2D Mark: 1192 vs 984
Around 3% better performance in PassMark - G3D Mark: 28825 vs 28053
Around 23% better performance in 3DMark Fire Strike - Graphics Score: 26644 vs 21691

Specifications (specs)
Core clock speed	1500 MHz vs 1335 MHz
Boost clock speed	2394 MHz vs 1695 MHz
Texture fill rate	804.4 GTexel/s vs 515.3 GTexel/s
Maximum memory size	20 GB vs 16 GB
Memory clock speed	2500 MHz, 20 Gbps effective vs 2000 MHz, 16 Gbps effective
Benchmarks
PassMark - G2D Mark	1192 vs 984
PassMark - G3D Mark	28825 vs 28053
3DMark Fire Strike - Graphics Score	26644 vs 21691

Reasons to consider the NVIDIA GeForce RTX 4090 Mobile

Videocard is newer: launch date 1 year(s) 6 month(s) later
Around 81% higher pipelines: 9728 vs 5376
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 4 nm vs 5 nm
2x lower typical power consumption: 150 Watt vs 300 Watt
Around 7% better performance in Geekbench - OpenCL: 181366 vs 169687

Specifications (specs)
Launch date	2023 vs 3 Nov 2022
Pipelines	9728 vs 5376
Manufacturing process technology	4 nm vs 5 nm
Thermal Design Power (TDP)	150 Watt vs 300 Watt
Benchmarks
Geekbench - OpenCL	181366 vs 169687

Compare benchmarks

GPU 1: AMD Radeon RX 7900 XT
GPU 2: NVIDIA GeForce RTX 4090 Mobile

PassMark - G2D Mark

GPU 1

GPU 2

1192

984

PassMark - G3D Mark

GPU 1

GPU 2

28825

28053

3DMark Fire Strike - Graphics Score

GPU 1

GPU 2

26644

21691

Geekbench - OpenCL

GPU 1

GPU 2

169687

181366

Name	AMD Radeon RX 7900 XT	NVIDIA GeForce RTX 4090 Mobile
PassMark - G2D Mark	1192	984
PassMark - G3D Mark	28825	28053
3DMark Fire Strike - Graphics Score	26644	21691
Geekbench - OpenCL	169687	181366
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	343.519
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	12483.531
CompuBench 1.5 Desktop - T-Rex (Frames/s)	60.185
CompuBench 1.5 Desktop - Video Composition (Frames/s)	320.733
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	2714.187

Compare specifications (specs)

	AMD Radeon RX 7900 XT	NVIDIA GeForce RTX 4090 Mobile
Essentials
Architecture	RDNA 3.0	Ada Lovelace
Code name	Navi 31	AD103
Launch date	3 Nov 2022	2023
Place in performance rating	19	22
Technical info
Boost clock speed	2394 MHz	1695 MHz
Compute units	84
Core clock speed	1500 MHz	1335 MHz
Manufacturing process technology	5 nm	4 nm
Peak Double Precision (FP64) Performance	3.218 TFLOPS (1:16)	515.3 GFLOPS (1:64)
Peak Half Precision (FP16) Performance	103.0 TFLOPS (2:1)	32.98 TFLOPS (1:1)
Peak Single Precision (FP32) Performance	51.48 TFLOPS	32.98 TFLOPS
Pipelines	5376	9728
Pixel fill rate	459.6 GPixel/s	189.8 GPixel/s
Texture fill rate	804.4 GTexel/s	515.3 GTexel/s
Thermal Design Power (TDP)	300 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	276 mm, 10.9 inches
Recommended system power (PSU)	700 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	20 GB	16 GB
Memory bandwidth	800.0 GB/s	512.0 GB/s
Memory bus width	320 bit	256 bit
Memory clock speed	2500 MHz, 20 Gbps effective	2000 MHz, 16 Gbps effective
Memory type	GDDR6	GDDR6