AMD Radeon RX 6900 XT vs AMD Radeon 680M

Updated Nov 2026 · Scored by the Let’s Compare Data Engine · How we score

For most buyers the AMD Radeon RX 6900 XT is the better pick — it scores 80/100 to the AMD Radeon 680M's 24, leading on Core Specifications and Memory. Choose the AMD Radeon 680M instead if you want to spend less.

Verdict

Our overall take, at a glance

AMD Radeon RX 6900 XT leads overall

AMD Radeon RX 6900 XT

AMD Radeon 680M

Why it stands out

Theoretical Performance Performance (FP16): 46.1 TFLOPS (582% more)
Theoretical Performance Performance (FP32): 23 TFLOPS (581% more)
Benchmark G3D Mark: 26,642 (563% more)

Winner by category for AMD Radeon RX 6900 XT vs AMD Radeon 680M
Category	AMD Radeon RX 6900 XT	AMD Radeon 680M	Winner
Core Specifications	73	57	AMD Radeon RX 6900 XT
Memory	95	54	AMD Radeon RX 6900 XT
API Support	50	50	Tie
Theoretical Performance	76	31	AMD Radeon RX 6900 XT
Benchmark	81	4	AMD Radeon RX 6900 XT
Miscellaneous	89	22	AMD Radeon RX 6900 XT

In-depth analysisAI

AI-generated from the cited sources — may be incomplete or inaccurate; verify important details before deciding · generated Nov 2026.

AMD Radeon RX 6900 XT

The AMD Radeon RX 6900 XT is a flagship desktop graphics processor designed for enthusiast-level PC gaming. It was launched to deliver performance comparable to its primary competitor, the RTX 3090, but at a retail price that is $500 lower. The card targets high-resolution gaming and features support for technologies like Smart Access Memory.

Best for high-frame-rate 4K gaming in titles without demanding ray-tracing effectsBest for enthusiast builds configured to leverage Smart Access Memory with compatible…

Pros

Delivers highly competitive frame rates in traditional rasterized gaming workloads
Priced substantially lower than its direct top-tier competitor
Provides measurable performance gains when utilizing Smart Access Memory
Operates with respectable thermal performance and quiet acoustic levels

Cons

Significantly weaker performance when running games with heavy ray tracing enabled
Offers a relatively low cost-per-frame value improvement compared to the cheaper RX 6800 XT

AMD Radeon 680M

The AMD Radeon 680M is an integrated graphics processor engineered for mobile laptops and handheld devices powered by AMD Ryzen processors. Designed to handle light gaming and daily multimedia tasks without the added bulk of a dedicated graphics card, it offers a balance of energy efficiency and entry-level 3D graphics performance. It targets users seeking lightweight laptops or portable gaming devices with decent graphical capabilities.

Best for Lightweight laptops prioritized for portability and casual 1080p gamingBest for Handheld gaming PCs requiring power-efficient integrated graphics

Pros

Integrated architecture reduces total device power consumption and heat output
Delivers entry-level 1080p gaming capabilities without requiring a discrete GPU
Enables compact and ultraportable laptop designs

Cons

Graphics performance is constrained compared to standalone dedicated GPUs
Relies on shared system memory, which can limit bandwidth

Value for Money

Which is the better deal for the price

Pre-filled with launch prices where known — enter today's price for an up-to-date check. Use the same currency for both.

AMD Radeon RX 6900 XT

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AMD Radeon 680M

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Performance

Higher benchmark score = faster

AMD Radeon RX 6900 XT26,642

AMD Radeon 680M4,016

See the raw benchmark values →

Benchmark score — a measured indicator of raw performance, not a guarantee of real-world speed.

Review Videos

Hand-picked expert reviews for each product

Detailed Specifications

The full spec sheet, side by side

Core Specifications

Feature	AMD Radeon RX 6900 XT	AMD Radeon 680M
Base Frequency	1.825 GHz	N/A
Base Power	N/A	N/A
Maximum Frequency	2.245 GHz	2.4 GHz
Maximum Power	300 W	N/A
Lithography Process	7 nm	6 nm14% less

Memory

Feature	AMD Radeon RX 6900 XT	AMD Radeon 680M
Capacity	16 GB	N/A
Technology
Bus Width	256 bit	N/A
Bandwidth	512 GB/s	N/A
Is Shared	No	Yes

API Support

Feature	AMD Radeon RX 6900 XT	AMD Radeon 680M
DirectX Version	12	12
OpenGL Version	4.6	N/A
Vulkan Version	1.3	1.3
OpenCL Version	2.1	N/A

Theoretical Performance

Feature	AMD Radeon RX 6900 XT	AMD Radeon 680M
Pixel Rate	288 GP/s	N/A
Texture Rate	720 GT/s	N/A
Performance (FP16)	46.1 TFLOPS582% more	6.758 TFLOPS
Performance (FP32)	23 TFLOPS581% more	3.379 TFLOPS
Performance (FP64)	1,440 GFLOPS	N/A

Benchmark

Feature	AMD Radeon RX 6900 XT	AMD Radeon 680M
G3D Mark	26,642563% more	4,016

Miscellaneous

Feature	AMD Radeon RX 6900 XT	AMD Radeon 680M
Release Date	December 8, 2020	January 4, 2022
Platform

Specification Note

Specifications are compiled from official manufacturer data and other reliable internet sources. Some features may vary by region or model configuration.

Frequently Asked Questions

Common questions about AMD Radeon RX 6900 XT vs AMD Radeon 680M comparison

Based on our overall comparison score, AMD Radeon RX 6900 XT rates higher at 78/100 versus 24/100 for AMD Radeon 680M — a 54-point lead. AMD Radeon RX 6900 XT is the stronger overall pick, though the right choice still depends on which specs matter most to you; the full spec table above breaks down every difference.

AMD Radeon RX 6900 XT and AMD Radeon 680M are compared side by side above across every spec in the gpus category — including performance, features and design — each scored 0–100 so you can see exactly where one leads the other. Our overall scores are 78/100 for AMD Radeon RX 6900 XT and 24/100 for AMD Radeon 680M.

If you want the higher-rated gpus option overall, AMD Radeon RX 6900 XT (78/100) edges out AMD Radeon 680M (24/100). But if AMD Radeon 680M is cheaper or stronger on the specific specs you care about, it can still be the better buy — use the spec table and strengths profile above to decide.