NVIDIA GeForce RTX 4080 Mobile vs AMD Radeon RX 6900 XT

Comparative analysis of NVIDIA GeForce RTX 4080 Mobile and AMD Radeon RX 6900 XT 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), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps).

NVIDIA GeForce RTX 4080 Mobile

AMD Radeon RX 6900 XT

Differences

Reasons to consider the NVIDIA GeForce RTX 4080 Mobile

Videocard is newer: launch date 4 year(s) 8 month(s) later
Around 45% higher pipelines: 7424 vs 5120
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 4 nm vs 7 nm
2x lower typical power consumption: 150 Watt vs 300 Watt

Launch date	2023 vs 28 Oct 2020
Pipelines	7424 vs 5120
Manufacturing process technology	4 nm vs 7 nm
Thermal Design Power (TDP)	150 Watt vs 300 Watt

Reasons to consider the AMD Radeon RX 6900 XT

Around 41% higher core clock speed: 1825 MHz vs 1290 MHz
Around 35% higher boost clock speed: 2250 MHz vs 1665 MHz
Around 86% higher texture fill rate: 720.0 GTexel/s vs 386.3 GTexel/s
Around 33% higher maximum memory size: 16 GB vs 12 GB
Around 13% better performance in PassMark - G2D Mark: 1052 vs 931
Around 7% better performance in PassMark - G3D Mark: 26746 vs 24971
5x better performance in 3DMark Fire Strike - Graphics Score: 21090 vs 4179
Around 4% better performance in Geekbench - OpenCL: 166557 vs 159976

Specifications (specs)
Core clock speed	1825 MHz vs 1290 MHz
Boost clock speed	2250 MHz vs 1665 MHz
Texture fill rate	720.0 GTexel/s vs 386.3 GTexel/s
Maximum memory size	16 GB vs 12 GB
Benchmarks
PassMark - G2D Mark	1052 vs 931
PassMark - G3D Mark	26746 vs 24971
3DMark Fire Strike - Graphics Score	21090 vs 4179
Geekbench - OpenCL	166557 vs 159976

Compare benchmarks

GPU 1: NVIDIA GeForce RTX 4080 Mobile
GPU 2: AMD Radeon RX 6900 XT

PassMark - G2D Mark

GPU 1

GPU 2

931

1052

PassMark - G3D Mark

GPU 1

GPU 2

24971

26746

3DMark Fire Strike - Graphics Score

GPU 1

GPU 2

4179

21090

Geekbench - OpenCL

GPU 1

GPU 2

159976

166557

Name	NVIDIA GeForce RTX 4080 Mobile	AMD Radeon RX 6900 XT
PassMark - G2D Mark	931	1052
PassMark - G3D Mark	24971	26746
3DMark Fire Strike - Graphics Score	4179	21090
Geekbench - OpenCL	159976	166557
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		543.753
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		0
CompuBench 1.5 Desktop - T-Rex (Frames/s)		51.155
CompuBench 1.5 Desktop - Video Composition (Frames/s)		320.733
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		2566.9
GFXBench 4.0 - Car Chase Offscreen (Frames)		17213
GFXBench 4.0 - Manhattan (Frames)		3714
GFXBench 4.0 - T-Rex (Frames)		3350
GFXBench 4.0 - Car Chase Offscreen (Fps)		17213
GFXBench 4.0 - Manhattan (Fps)		3714
GFXBench 4.0 - T-Rex (Fps)		3350

Compare specifications (specs)

	NVIDIA GeForce RTX 4080 Mobile	AMD Radeon RX 6900 XT
Essentials
Architecture	Ada Lovelace	RDNA 2.0
Code name	AD104	Navi 21
Launch date	2023	28 Oct 2020
Place in performance rating	49	62
Launch price (MSRP)		$999
Type		Desktop
Technical info
Boost clock speed	1665 MHz	2250 MHz
Core clock speed	1290 MHz	1825 MHz
Manufacturing process technology	4 nm	7 nm
Peak Double Precision (FP64) Performance	386.3 GFLOPS (1:64)	1440 GFLOPS (1:16)
Peak Half Precision (FP16) Performance	24.72 TFLOPS (1:1)	46.08 TFLOPS (2:1)
Peak Single Precision (FP32) Performance	24.72 TFLOPS	23.04 TFLOPS
Pipelines	7424	5120
Pixel fill rate	133.2 GPixel/s	288.0 GPixel/s
Texture fill rate	386.3 GTexel/s	720.0 GTexel/s
Thermal Design Power (TDP)	150 Watt	300 Watt
Transistor count	35800 million	26800 million
Compute units		80
Video outputs and ports
Display Connectors	Portable Device Dependent	1x HDMI, 2x DisplayPort, 1x USB Type-C
Compatibility, dimensions and requirements
Form factor	IGP	Triple-slot
Interface	PCIe 4.0 x16	PCIe 4.0 x16
Supplementary power connectors	None	2x 8-pin
Height		50 mm (2 inches)
Length		267 mm (10.5 inches)
Recommended system power (PSU)		700 Watt
Width		120 mm (4.7 inches)
API support
DirectX	12 Ultimate (12_2)	12.2
OpenCL	3.0	2.1
OpenGL	4.6	4.6
Shader Model	6.7	6.5
Vulkan
Memory
Maximum RAM amount	12 GB	16 GB
Memory bandwidth	384.0 GB/s	512 GB/s
Memory bus width	192 bit	256 bit
Memory clock speed	2000 MHz, 16 Gbps effective	2000 MHz (16 Gbps effective)
Memory type	GDDR6	GDDR6