NVIDIA GeForce RTX 3080 Mobile vs AMD Radeon RX 6900 XT

Comparative analysis of NVIDIA GeForce RTX 3080 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, Technologies. Benchmark videocards performance analysis: 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), PassMark - G3D Mark, PassMark - G2D Mark, Geekbench - OpenCL, 3DMark Fire Strike - Graphics Score.

NVIDIA GeForce RTX 3080 Mobile

AMD Radeon RX 6900 XT

Differences

Reasons to consider the NVIDIA GeForce RTX 3080 Mobile

Videocard is newer: launch date 2 month(s) later
Around 20% higher pipelines: 6144 vs 5120
2.6x lower typical power consumption: 115 Watt vs 300 Watt
Around 53% better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 26295 vs 17213
2.5x better performance in GFXBench 4.0 - Manhattan (Frames): 9367 vs 3714
2.6x better performance in GFXBench 4.0 - T-Rex (Frames): 8604 vs 3350
Around 53% better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 26295 vs 17213
2.5x better performance in GFXBench 4.0 - Manhattan (Fps): 9367 vs 3714
2.6x better performance in GFXBench 4.0 - T-Rex (Fps): 8604 vs 3350

Specifications (specs)
Launch date	12 Jan 2021 vs 28 Oct 2020
Pipelines	6144 vs 5120
Thermal Design Power (TDP)	115 Watt vs 300 Watt
Benchmarks
GFXBench 4.0 - Car Chase Offscreen (Frames)	26295 vs 17213
GFXBench 4.0 - Manhattan (Frames)	9367 vs 3714
GFXBench 4.0 - T-Rex (Frames)	8604 vs 3350
GFXBench 4.0 - Car Chase Offscreen (Fps)	26295 vs 17213
GFXBench 4.0 - Manhattan (Fps)	9367 vs 3714
GFXBench 4.0 - T-Rex (Fps)	8604 vs 3350

Reasons to consider the AMD Radeon RX 6900 XT

Around 64% higher core clock speed: 1825 MHz vs 1110 MHz
Around 46% higher boost clock speed: 2250 MHz vs 1545 MHz
2.4x more texture fill rate: 720.0 GTexel/s vs 296.6 GTexel/s
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 7 nm vs 8 nm
2x more maximum memory size: 16 GB vs 8 GB
Around 14% higher memory clock speed: 2000 MHz (16 Gbps effective) vs 1750 MHz, 14 Gbps effective
Around 46% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 543.753 vs 371.785
Around 64% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 51.155 vs 31.212
Around 68% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 320.733 vs 190.723
Around 80% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 2566.9 vs 1422.602

Specifications (specs)
Core clock speed	1825 MHz vs 1110 MHz
Boost clock speed	2250 MHz vs 1545 MHz
Texture fill rate	720.0 GTexel/s vs 296.6 GTexel/s
Manufacturing process technology	7 nm vs 8 nm
Maximum memory size	16 GB vs 8 GB
Memory clock speed	2000 MHz (16 Gbps effective) vs 1750 MHz, 14 Gbps effective
Benchmarks
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	543.753 vs 371.785
CompuBench 1.5 Desktop - T-Rex (Frames/s)	51.155 vs 31.212
CompuBench 1.5 Desktop - Video Composition (Frames/s)	320.733 vs 190.723
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	2566.9 vs 1422.602

Compare benchmarks

GPU 1: NVIDIA GeForce RTX 3080 Mobile
GPU 2: AMD Radeon RX 6900 XT

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

GPU 1

GPU 2

371.785

543.753

CompuBench 1.5 Desktop - T-Rex (Frames/s)

GPU 1

GPU 2

31.212

51.155

CompuBench 1.5 Desktop - Video Composition (Frames/s)

GPU 1

GPU 2

190.723

320.733

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

GPU 1

GPU 2

1422.602

2566.9

GFXBench 4.0 - Car Chase Offscreen (Frames)

GPU 1

GPU 2

26295

17213

GFXBench 4.0 - Manhattan (Frames)

GPU 1

GPU 2

9367

3714

GFXBench 4.0 - T-Rex (Frames)

GPU 1

GPU 2

8604

3350

GFXBench 4.0 - Car Chase Offscreen (Fps)

GPU 1

GPU 2

26295

17213

GFXBench 4.0 - Manhattan (Fps)

GPU 1

GPU 2

9367

3714

GFXBench 4.0 - T-Rex (Fps)

GPU 1

GPU 2

8604

3350

Name	NVIDIA GeForce RTX 3080 Mobile	AMD Radeon RX 6900 XT
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	371.785	543.753
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	3552.807	0
CompuBench 1.5 Desktop - T-Rex (Frames/s)	31.212	51.155
CompuBench 1.5 Desktop - Video Composition (Frames/s)	190.723	320.733
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	1422.602	2566.9
GFXBench 4.0 - Car Chase Offscreen (Frames)	26295	17213
GFXBench 4.0 - Manhattan (Frames)	9367	3714
GFXBench 4.0 - T-Rex (Frames)	8604	3350
GFXBench 4.0 - Car Chase Offscreen (Fps)	26295	17213
GFXBench 4.0 - Manhattan (Fps)	9367	3714
GFXBench 4.0 - T-Rex (Fps)	8604	3350
PassMark - G3D Mark		26853
PassMark - G2D Mark		1048
Geekbench - OpenCL		161035
3DMark Fire Strike - Graphics Score		20909

Compare specifications (specs)

	NVIDIA GeForce RTX 3080 Mobile	AMD Radeon RX 6900 XT
Essentials
Architecture	Ampere	RDNA 2.0
Code name	GA104	Navi 21
Launch date	12 Jan 2021	28 Oct 2020
Place in performance rating	93	70
Type	Laptop	Desktop
Launch price (MSRP)		$999
Technical info
Boost clock speed	1545 MHz	2250 MHz
Core clock speed	1110 MHz	1825 MHz
Manufacturing process technology	8 nm	7 nm
Peak Double Precision (FP64) Performance	296.6 GFLOPS (1:64)	1440 GFLOPS (1:16)
Peak Half Precision (FP16) Performance	18.98 TFLOPS (1:1)	46.08 TFLOPS (2:1)
Peak Single Precision (FP32) Performance	18.98 TFLOPS	23.04 TFLOPS
Pipelines	6144	5120
Pixel fill rate	148.3 GPixel/s	288.0 GPixel/s
Texture fill rate	296.6 GTexel/s	720.0 GTexel/s
Thermal Design Power (TDP)	115 Watt	300 Watt
Transistor count	17400 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
Height	PCIe 4.0 x16	50 mm (2 inches)
Interface	PCIe 4.0 x16	PCIe 4.0 x16
Supplementary power connectors	None	2x 8-pin
Form factor		Triple-slot
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	8 GB	16 GB
Memory bandwidth	448.0 GB/s	512 GB/s
Memory bus width	256 bit	256 bit
Memory clock speed	1750 MHz, 14 Gbps effective	2000 MHz (16 Gbps effective)
Memory type	GDDR6	GDDR6
Technologies
GPU Boost
VR Ready