Radeon RX 6900 vs GeForce RTX 3080 Mobile

Place in the ranking	92	22
Place by popularity	not in top-100	not in top-100
Power efficiency	25.49	18.66
Architecture	Ampere (2020−2024)	RDNA 2.0 (2020−2024)
GPU code name	GA104	Navi 21
Market segment	Laptop	Desktop
Release date	12 January 2021 (3 years ago)	28 October 2020 (4 years ago)

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores	6144	4608
Core clock speed	1110 MHz	no data
Boost clock speed	1545 MHz	2105 MHz
Number of transistors	17,400 million	23,000 million
Manufacturing process technology	8 nm	7 nm
Power consumption (TDP)	115 Watt	255 Watt
Texture fill rate	296.6	606.2
Floating-point processing power	18.98 TFLOPS	19.4 TFLOPS
ROPs	96	64
TMUs	192	288
Tensor Cores	192	no data
Ray Tracing Cores	48	no data

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

Laptop size	large	no data
Interface	PCIe 4.0 x16	PCIe 4.0 x16
Width	no data	2-slot
Supplementary power connectors	no data	2x 8-pin

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory type	GDDR6	GDDR6
Maximum RAM amount	8 GB	16 GB
Memory bus width	256 Bit	256 Bit
Memory clock speed	1750 MHz	16 GB/s
Memory bandwidth	448.0 GB/s	512.0 GB/s
Shared memory	-	-

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display Connectors	No outputs	1x HDMI, 2x DisplayPort, 1x USB Type-C
HDMI	-	+

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX	12 Ultimate (12_2)	12 Ultimate (12_2)
Shader Model	6.5	6.5
OpenGL	4.6	4.6
OpenCL	2.0	2.0
Vulkan	1.2	1.2
CUDA	8.6	-

Synthetic benchmark performance

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.

Combined synthetic benchmark score

This is our combined benchmark score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

RTX 3080 Mobile 42.76

RX 6900 69.42
+62.3%

Passmark

This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

RTX 3080 Mobile 16478

RX 6900 26751
+62.3%

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Average FPS across all PC games

Here are the average frames per second in a large set of popular games across different resolutions:

Full HD	120 −58.3%	190−200 +58.3%
1440p	75 −60%	120−130 +60%
4K	44 −59.1%	70−75 +59.1%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

134

−56.7%

210−220
+56.7%

Full HD
Medium Preset

Assassin's Creed Odyssey	122 −55.7%	190−200 +55.7%
Assassin's Creed Valhalla	98 −53.1%	150−160 +53.1%
Battlefield 5	130−140 −57.9%	210−220 +57.9%
Call of Duty: Modern Warfare	80−85 −54.8%	130−140 +54.8%
Cyberpunk 2077	117 −53.8%	180−190 +53.8%
Far Cry 5	85−90 −59.1%	140−150 +59.1%
Far Cry New Dawn	100−110 −56.9%	160−170 +56.9%
Forza Horizon 4	190−200 −52.3%	300−310 +52.3%
Hitman 3	130 −61.5%	210−220 +61.5%
Horizon Zero Dawn	170−180 −58.8%	270−280 +58.8%
Metro Exodus	130−140 −61.5%	210−220 +61.5%
Red Dead Redemption 2	95−100 −57.9%	150−160 +57.9%
Shadow of the Tomb Raider	150−160 −56.9%	240−250 +56.9%
Watch Dogs: Legion	130−140 −59.1%	210−220 +59.1%

Full HD
High Preset

Assassin's Creed Odyssey	188 −59.6%	300−310 +59.6%
Assassin's Creed Valhalla	79 −51.9%	120−130 +51.9%
Battlefield 5	130−140 −57.9%	210−220 +57.9%
Call of Duty: Modern Warfare	80−85 −54.8%	130−140 +54.8%
Cyberpunk 2077	99 −61.6%	160−170 +61.6%
Far Cry 5	85−90 −59.1%	140−150 +59.1%
Far Cry New Dawn	100−110 −56.9%	160−170 +56.9%
Forza Horizon 4	190−200 −52.3%	300−310 +52.3%
Hitman 3	117 −53.8%	180−190 +53.8%
Horizon Zero Dawn	170−180 −58.8%	270−280 +58.8%
Metro Exodus	144 −59.7%	230−240 +59.7%
Red Dead Redemption 2	96 −56.3%	150−160 +56.3%
Shadow of the Tomb Raider	213 −40.8%	300−310 +40.8%
The Witcher 3: Wild Hunt	85−90 −52.9%	130−140 +52.9%
Watch Dogs: Legion	227 −54.2%	350−400 +54.2%

Full HD
Ultra Preset

Assassin's Creed Odyssey	75 −60%	120−130 +60%
Assassin's Creed Valhalla	69 −59.4%	110−120 +59.4%
Call of Duty: Modern Warfare	80−85 −54.8%	130−140 +54.8%
Cyberpunk 2077	90 −55.6%	140−150 +55.6%
Far Cry 5	85−90 −59.1%	140−150 +59.1%
Forza Horizon 4	157 −59.2%	250−260 +59.2%
Hitman 3	108 −57.4%	170−180 +57.4%
Horizon Zero Dawn	155 −61.3%	250−260 +61.3%
Shadow of the Tomb Raider	185 −62.2%	300−310 +62.2%
The Witcher 3: Wild Hunt	106 −60.4%	170−180 +60.4%
Watch Dogs: Legion	74 −62.2%	120−130 +62.2%

Full HD
Epic Preset

Red Dead Redemption 2

95
−57.9%

150−160

+57.9%

1440p
High Preset

Battlefield 5	80−85 −50%	120−130 +50%
Far Cry New Dawn	60−65 −58.7%	100−105 +58.7%

1440p
Ultra Preset

Assassin's Creed Odyssey	62 −61.3%	100−105 +61.3%
Assassin's Creed Valhalla	60 −58.3%	95−100 +58.3%
Call of Duty: Modern Warfare	45−50 −53.1%	75−80 +53.1%
Cyberpunk 2077	30−35 −61.8%	55−60 +61.8%
Far Cry 5	45−50 −56.3%	75−80 +56.3%
Forza Horizon 4	230−240 −52.2%	350−400 +52.2%
Hitman 3	76 −57.9%	120−130 +57.9%
Horizon Zero Dawn	121 −57%	190−200 +57%
Metro Exodus	90 −55.6%	140−150 +55.6%
Shadow of the Tomb Raider	141 −56%	220−230 +56%
The Witcher 3: Wild Hunt	79 −51.9%	120−130 +51.9%
Watch Dogs: Legion	177 −58.2%	280−290 +58.2%

1440p
Epic Preset

Red Dead Redemption 2

83
−56.6%

130−140

+56.6%

4K
High Preset

Battlefield 5	40−45 −54.8%	65−70 +54.8%
Far Cry New Dawn	35−40 −57.1%	55−60 +57.1%
Hitman 3	47 −59.6%	75−80 +59.6%
Horizon Zero Dawn	33 −51.5%	50−55 +51.5%
Metro Exodus	74 −62.2%	120−130 +62.2%
The Witcher 3: Wild Hunt	70 −57.1%	110−120 +57.1%

4K
Ultra Preset

Assassin's Creed Odyssey	43 −51.2%	65−70 +51.2%
Assassin's Creed Valhalla	38 −57.9%	60−65 +57.9%
Call of Duty: Modern Warfare	27−30 −48.1%	40−45 +48.1%
Cyberpunk 2077	14−16 −60%	24−27 +60%
Far Cry 5	24−27 −60%	40−45 +60%
Forza Horizon 4	87 −60.9%	140−150 +60.9%
Shadow of the Tomb Raider	79 −51.9%	120−130 +51.9%
Watch Dogs: Legion	33 −51.5%	50−55 +51.5%

4K
Epic Preset

Red Dead Redemption 2

−52.2%

70−75
+52.2%

This is how RTX 3080 Mobile and RX 6900 compete in popular games:

RX 6900 is 58% faster in 1080p
RX 6900 is 60% faster in 1440p
RX 6900 is 59% faster in 4K

Pros & cons summary

Performance score	42.76	69.42
Recency	12 January 2021	28 October 2020
Maximum RAM amount	8 GB	16 GB
Chip lithography	8 nm	7 nm
Power consumption (TDP)	115 Watt	255 Watt

RTX 3080 Mobile has an age advantage of 2 months, and 121.7% lower power consumption.

RX 6900, on the other hand, has a 62.3% higher aggregate performance score, a 100% higher maximum VRAM amount, and a 14.3% more advanced lithography process.

The Radeon RX 6900 is our recommended choice as it beats the GeForce RTX 3080 Mobile in performance tests.

Be aware that GeForce RTX 3080 Mobile is a notebook card while Radeon RX 6900 is a desktop one.

Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.