GeForce RTX 3080 Ti vs Radeon RX 6900 XT

CPU

GPU

GeForce RTX 3080 Ti

2021Core: 1365 MHzBoost: 1665 MHz

RTX family

·······

Buy on Amazon

Radeon RX 6900 XT

2020Core: 1825 MHzBoost: 2250 MHz

RX family

·······

Buy on Amazon

GeForce RTX 3080 Ti vs Radeon RX 6900 XT Performance Spectrum

GeForce RTX 3080 Ti

12 GB 350

26,861

+0.5%

GeForce RTX 2080 (Mobile)

GeForce GTX 1070 SLI

GeForce RTX 5060

RTX 5000 Ada Generation Mobile

GeForce RTX 5070

GeForce RTX 5090 D v2

GeForce RTX 5070 Ti

GeForce RTX 4080 SUPER

Radeon RX 6900 XT

16 GB 300

26,729

0.0%

About G3D Mark

G3D Mark is a standard benchmark that measures graphics performance in real-world gaming scenarios. It simplifies comparing cards from different brands, where higher scores directly correlate with better fps and smoother gaming experiences.

GeForce RTX 3080 Ti vs Radeon RX 6900 XT FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with Ryzen 7 9800X3D to isolate GPU performance.

Search any supported game below to compare 1080p FPS for both components.

GeForce RTX 3080 Ti vs Radeon RX 6900 XT: Pros, Cons & Final Verdict

See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.

GeForce RTX 3080 Ti

2021

Why buy it

✅1.8% more average FPS across 50 tracked games in our benchmark data.
✅Access to DLSS 2 Super Resolution (2020).

Trade-offs

❌Less VRAM, with 12 GB vs 16 GB for high-resolution textures and newer games.
❌No equivalent frame-generation stack like FSR Frame Generation + AFMF (2023).
❌
20% HIGHER MSRP
$1,199 MSRPvs$999 MSRP
❌Lower G3D Mark per dollar, at 22.4 vs 26.8 G3D/$ ($1,199 MSRP vs $999 MSRP).
❌16.7% higher power demand at 350W vs 300W.

Radeon RX 6900 XT

2020

Why buy it

✅Costs $200 less on MSRP ($999 MSRP vs $1,199 MSRP).
✅Delivers 19.4% more G3D Mark for each dollar spent, at 26.8 vs 22.4 G3D/$ ($999 MSRP vs $1,199 MSRP).
✅Access to a newer frame-generation stack with FSR Frame Generation + AFMF (2023).
✅33.3% more VRAM for high-resolution textures and newer games (16 GB vs 12 GB).
✅Draws 300W instead of 350W, a 50W reduction.

Trade-offs

❌Lower average FPS than GeForce RTX 3080 Ti across 50 tracked games in our benchmark data.
❌No DLSS support; it relies on FSR 3 (2023) instead.

Quick Answers

Which GPU is faster for gaming right now?

GeForce RTX 3080 Ti is the faster gaming card right now. In our data, it leads by 1.8% in average FPS across 50 tracked games in our benchmark data and by 0.5% in PassMark G3D (26,861 vs 26,729), so the answer here is pretty clean.

Which GPU is the safer long-term pick for 2026 and beyond?

GeForce RTX 3080 Ti is the safer long-term pick for 2026 and beyond. The case is simple: a newer 2021 generation instead of 2020. That makes it the less risky pick as game demands keep moving.

Which GPU is the better buy today?

Radeon RX 6900 XT makes the most sense to buy today. It is $200 cheaper on MSRP at $999 vs $1,199, and it leads G3D-per-dollar by 19.4% (26.8 vs 22.4), which is enough to swing the recommendation its way. If you are mainly targeting 1080p and strong 1440p, Radeon RX 6900 XT is the easier value choice. If you care more about 1080p and strong 1440p headroom, GeForce RTX 3080 Ti has the stronger long-term case.

GeForce RTX 3080 Ti vs Radeon RX 6900 XT Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

GeForce RTX 3080 Ti

The GeForce RTX 3080 Ti is manufactured by NVIDIA. It was released in May 31 2021. It features the Ampere architecture. The core clock ranges from 1365 MHz to 1665 MHz. It has 10240 shading units. The thermal design power (TDP) is 350W. Manufactured using 8 nm process technology. It features 80 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 26,861 points. Launch price was $1,199.

Radeon RX 6900 XT

The Radeon RX 6900 XT is manufactured by AMD. It was released in October 28 2020. It features the RDNA 2.0 architecture. The core clock ranges from 1825 MHz to 2250 MHz. It has 5120 shading units. The thermal design power (TDP) is 300W. Manufactured using 7 nm process technology. It features 80 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 26,729 points. Launch price was $999.

⚡

Graphics Performance

The GeForce RTX 3080 Ti scores 26,861 and the Radeon RX 6900 XT reaches 26,729 in the G3D Mark benchmark — just a 0.5% difference, making them near-identical in rasterization performance. The GeForce RTX 3080 Ti is built on Ampere while the Radeon RX 6900 XT uses RDNA 2.0, both on 8 nm vs 7 nm. Shader units: 10,240 (GeForce RTX 3080 Ti) vs 5,120 (Radeon RX 6900 XT). Raw compute: 34.1 TFLOPS (GeForce RTX 3080 Ti) vs 23.04 TFLOPS (Radeon RX 6900 XT). Boost clocks: 1665 MHz vs 2250 MHz. Ray tracing: 80 RT cores (GeForce RTX 3080 Ti) vs 80 (Radeon RX 6900 XT) with 320 Tensor cores.

Feature	GeForce RTX 3080 Ti	Radeon RX 6900 XT
G3D Mark Score	26,861	26,729
Architecture	Ampere	RDNA 2.0
Process Node	8 nm	7 nm
Shading Units	10240+100%	5120
Compute (TFLOPS)	34.1 TFLOPS+48%	23.04 TFLOPS
Boost Clock	1665 MHz	2250 MHz+35%
ROPs	112	128+14%
TMUs	320	320
L1 Cache	10 MB+900%	1 MB
L2 Cache	6 MB+50%	4 MB
Ray Tracing Cores	80	80

✨

Advanced Features (DLSS/FSR)

The clearest feature edge for the Radeon RX 6900 XT is support for FSR Frame Generation + AFMF. In games that support it, that can smooth out motion and lift perceived FPS. The GeForce RTX 3080 Ti does not have comparable native support in the same tier.The GeForce RTX 3080 Ti gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon RX 6900 XT leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.

Feature	GeForce RTX 3080 Ti	Radeon RX 6900 XT
Upscaling Tech	DLSS 2 Super Resolution	FSR 3
Frame Generation	Not Supported	FSR Frame Generation + AFMF
Ray Reconstruction	No	No
Low Latency	NVIDIA Reflex	AMD Anti-Lag

💾

Video Memory (VRAM)

The GeForce RTX 3080 Ti has 12 GB of VRAM, while the Radeon RX 6900 XT carries 16 GB. Radeon RX 6900 XT gives you 33.3% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bandwidth: 912 GB/s (GeForce RTX 3080 Ti) vs 512 GB/s (Radeon RX 6900 XT) — a 78.1% advantage for the GeForce RTX 3080 Ti. Memory bus width is 384-bit on the GeForce RTX 3080 Ti and 256-bit on the Radeon RX 6900 XT. L2 Cache: 6 MB (GeForce RTX 3080 Ti) vs 4 MB (Radeon RX 6900 XT) — the GeForce RTX 3080 Ti has significantly larger on-die cache to reduce VRAM reliance.

Feature	GeForce RTX 3080 Ti	Radeon RX 6900 XT
VRAM Capacity	12 GB	16 GB+33%
Memory Type	GDDR6X	GDDR6
Memory Bandwidth	912 GB/s+78%	512 GB/s
Bus Width	384-bit+50%	256-bit
L2 Cache	6 MB+50%	4 MB

🖥️

Display & API Support

DirectX support: 12 Ultimate (GeForce RTX 3080 Ti) vs 12 Ultimate (Radeon RX 6900 XT). Vulkan: 1.4 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 4.

Feature	GeForce RTX 3080 Ti	Radeon RX 6900 XT
DirectX	12 Ultimate	12 Ultimate
Vulkan	1.4+8%	1.3
OpenGL	4.6	4.6
Max Displays	4	4

🎬

Media & Encoding

Hardware encoder: NVENC 7th gen (GeForce RTX 3080 Ti) vs VCN 3.0 (Radeon RX 6900 XT). Decoder: NVDEC 5th gen vs VCN 3.0. Supported codecs: H.264,H.265/HEVC,AV1 (GeForce RTX 3080 Ti) vs H.264,H.265/HEVC,AV1,VP9 (Radeon RX 6900 XT).

Feature	GeForce RTX 3080 Ti	Radeon RX 6900 XT
Encoder	NVENC 7th gen	VCN 3.0
Decoder	NVDEC 5th gen	VCN 3.0
Codecs	H.264,H.265/HEVC,AV1	H.264,H.265/HEVC,AV1,VP9

🔌

Power & Dimensions

The GeForce RTX 3080 Ti draws 350W versus the Radeon RX 6900 XT's 300W — a 15.4% difference. The Radeon RX 6900 XT is more power-efficient. Recommended PSU: 750W (GeForce RTX 3080 Ti) vs 850W (Radeon RX 6900 XT). Power connectors: 2x 8-pin vs 2x 8-pin. Card length: 285mm vs 267mm, occupying 2 vs 2.5 slots. Typical load temperature: 85°C vs 80°C.

Feature	GeForce RTX 3080 Ti	Radeon RX 6900 XT
TDP	350W	300W-14%
Recommended PSU	750W-12%	850W
Power Connector	2x 8-pin	2x 8-pin
Length	285mm	267mm
Height	112mm	120mm
Slots	2-20%	2.5
Temp (Load)	85°C	80°C-6%
Perf/Watt	76.7	89.1+16%

💰

Value Analysis

At launch, the GeForce RTX 3080 Ti came in at $1199, while the Radeon RX 6900 XT launched at $999. On MSRP, Radeon RX 6900 XT was 16.7% cheaper ($200 less). Performance per dollar on MSRP (G3D Mark / MSRP): 22.4 (GeForce RTX 3080 Ti) vs 26.8 (Radeon RX 6900 XT) — the Radeon RX 6900 XT offers 19.6% better value. The newer card here is GeForce RTX 3080 Ti (2021 vs 2020).

Feature	GeForce RTX 3080 Ti	Radeon RX 6900 XT
MSRP	$1199	$999-17%
Performance per Dollar	22.4	26.8+20%
Codename	GA102	Navi 21
Release	May 31 2021	October 28 2020
Ranking	#33	#35

Search GeForce RTX 3080 Ti on Amazon

Search Radeon RX 6900 XT on Amazon

Affiliate Disclosure

ChipVERSUS is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. We may earn a commission on qualifying purchases made through our links. This comes at no additional cost to you and helps support our work in providing comprehensive PC building guides and tools.

Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates.