AMD Radeon RX 6950 XT vs NVIDIA GeForce RTX 4090 Mobile

Comparative analysis of AMD Radeon RX 6950 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.

AMD Radeon RX 6950 XT

NVIDIA GeForce RTX 4090 Mobile

Differences

Reasons to consider the AMD Radeon RX 6950 XT

Around 39% higher core clock speed: 1860 MHz vs 1335 MHz
Around 36% higher boost clock speed: 2310 MHz vs 1695 MHz
Around 43% higher texture fill rate: 739.2 GTexel/s vs 515.3 GTexel/s
Around 13% higher memory clock speed: 2250 MHz, 18 Gbps effective vs 2000 MHz, 16 Gbps effective
Around 6% better performance in PassMark - G2D Mark: 1030 vs 975
Around 2% better performance in PassMark - G3D Mark: 28158 vs 27725

Specifications (specs)
Core clock speed	1860 MHz vs 1335 MHz
Boost clock speed	2310 MHz vs 1695 MHz
Texture fill rate	739.2 GTexel/s vs 515.3 GTexel/s
Memory clock speed	2250 MHz, 18 Gbps effective vs 2000 MHz, 16 Gbps effective
Benchmarks
PassMark - G2D Mark	1030 vs 975
PassMark - G3D Mark	28158 vs 27725

Reasons to consider the NVIDIA GeForce RTX 4090 Mobile

Videocard is newer: launch date 2 year(s) 5 month(s) later
Around 90% higher pipelines: 9728 vs 5120
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 4 nm vs 7 nm
2.2x lower typical power consumption: 150 Watt vs 335 Watt
Around 1% better performance in 3DMark Fire Strike - Graphics Score: 21530 vs 21420
Around 5% better performance in Geekbench - OpenCL: 180987 vs 171975

Specifications (specs)
Launch date	2023 vs 10 May 2022
Pipelines	9728 vs 5120
Manufacturing process technology	4 nm vs 7 nm
Thermal Design Power (TDP)	150 Watt vs 335 Watt
Benchmarks
3DMark Fire Strike - Graphics Score	21530 vs 21420
Geekbench - OpenCL	180987 vs 171975

Compare benchmarks

GPU 1: AMD Radeon RX 6950 XT
GPU 2: NVIDIA GeForce RTX 4090 Mobile

PassMark - G2D Mark

GPU 1

GPU 2

1030

975

PassMark - G3D Mark

GPU 1

GPU 2

28158

27725

3DMark Fire Strike - Graphics Score

GPU 1

GPU 2

21420

21530

Geekbench - OpenCL

GPU 1

GPU 2

171975

180987

Name	AMD Radeon RX 6950 XT	NVIDIA GeForce RTX 4090 Mobile
PassMark - G2D Mark	1030	975
PassMark - G3D Mark	28158	27725
3DMark Fire Strike - Graphics Score	21420	21530
Geekbench - OpenCL	171975	180987

Compare specifications (specs)

	AMD Radeon RX 6950 XT	NVIDIA GeForce RTX 4090 Mobile
Essentials
Architecture	RDNA 2.0	Ada Lovelace
Code name	Navi 21	AD103
Launch date	10 May 2022	2023
Place in performance rating	19	20
Technical info
Boost clock speed	2310 MHz	1695 MHz
Compute units	80
Core clock speed	1860 MHz	1335 MHz
Manufacturing process technology	7 nm	4 nm
Peak Double Precision (FP64) Performance	1,478 GFLOPS (1:16)	515.3 GFLOPS (1:64)
Peak Half Precision (FP16) Performance	47.31 TFLOPS (2:1)	32.98 TFLOPS (1:1)
Peak Single Precision (FP32) Performance	23.65 TFLOPS	32.98 TFLOPS
Pipelines	5120	9728
Pixel fill rate	295.7 GPixel/s	189.8 GPixel/s
Texture fill rate	739.2 GTexel/s	515.3 GTexel/s
Thermal Design Power (TDP)	335 Watt	150 Watt
Transistor count	26800 million	45900 million
Video outputs and ports
Display Connectors	1x HDMI 2.1, 2x DisplayPort 1.4a	Portable Device Dependent
Compatibility, dimensions and requirements
Form factor	Triple-slot	IGP
Height	50 mm, 2 inches
Interface	PCIe 4.0 x16	PCIe 4.0 x16
Length	267 mm, 10.5 inches
Recommended system power (PSU)	700 Watt
Supplementary power connectors	2x 8-pin	None
Width	120 mm, 4.7 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	16 GB	16 GB
Memory bandwidth	576.0 GB/s	512.0 GB/s
Memory bus width	256 bit	256 bit
Memory clock speed	2250 MHz, 18 Gbps effective	2000 MHz, 16 Gbps effective
Memory type	GDDR6	GDDR6