GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
Market Value Leader
Market comparison is currently pending while we verify the latest benchmarks for GeForce RTX 4080 and Radeon RX 6650 XT.
On raw speed the GeForce RTX 4080 comes out dramatically faster — about 189% ahead of the Radeon RX 6650 XT.
Maximum Capacity Reached. Remove a model to add another. (2/2)
GeForce RTX 4080 vs Radeon RX 6650 XT: In-Depth Breakdown
Performance: GeForce RTX 4080 vs Radeon RX 6650 XT
The GeForce RTX 4080 is dramatically faster, around 189% ahead of the Radeon RX 6650 XT. That gap is enough to move it up a tier: the GeForce RTX 4080 is comfortable at 4K with upscaling and native 1440p, while the Radeon RX 6650 XT is better matched to 1080p.
Power & Efficiency
On power, the Radeon RX 6650 XT is the gentler choice at 180W versus 320W. The GeForce RTX 4080 is more efficient per watt because it's faster, but its higher 320W draw means more heat and a bigger PSU.
VRAM & Future-Proofing
The GeForce RTX 4080 carries 16GB versus 8GB on the Radeon RX 6650 XT. The extra 8GB helps at 4K, with high-resolution texture packs, and for content-creation or local-AI workloads that exhaust smaller buffers.
Features & Ecosystem
Beyond raw numbers, the GeForce RTX 4080 brings NVIDIA DLSS upscaling/frame generation and stronger ray tracing, while the Radeon RX 6650 XT offers AMD FSR upscaling and strong rasterization value. If you lean on upscaling or ray tracing, that ecosystem difference can matter as much as the frame-rate gap.
Which should you buy: GeForce RTX 4080 or Radeon RX 6650 XT?
The GeForce RTX 4080 is the faster card by about 189%. With live pricing limited for this pair, base your decision on the spec differences above — particularly VRAM and power draw — and check current stock before buying.
Frequently Asked Questions
Is the GeForce RTX 4080 better than the Radeon RX 6650 XT?
Which is better for 4K gaming, the GeForce RTX 4080 or the Radeon RX 6650 XT?
Does the GeForce RTX 4080 have enough VRAM advantage to matter?
Technical Specifications Comparison
Architecture & Cores
| Specification | GeForce RTX 4080 | Radeon RX 6650 XT |
|---|---|---|
| Architecture | Ada Lovelace | RDNA 2 |
| Process Node | TSMC 4N | TSMC N7 |
| CUDA Cores (CUDA Cores / Stream Processors) | 9,728✓ | 2,048 |
| Ray Tracing Cores | 76✓ | 32 |
| Tensor / AI Cores | 304 | — |
Clock Speeds
| Specification | GeForce RTX 4080 | Radeon RX 6650 XT |
|---|---|---|
| Base Clock | 2,205 MHz✓ | 2,055 MHz |
| Boost Clock | 2,505 MHz | 2,635 MHz✓ |
Memory
| Specification | GeForce RTX 4080 | Radeon RX 6650 XT |
|---|---|---|
| VRAM Capacity | 16 GB✓ | 8 GB |
| Memory Type | GDDR6X | GDDR6 |
| Memory Bus | 256-bit✓ | 128-bit |
| Memory Speed | 22.4 Gbps✓ | 17.5 Gbps |
| Bandwidth | 716.8 GB/s✓ | 280 GB/s |
Connectivity & Power
| Specification | GeForce RTX 4080 | Radeon RX 6650 XT |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 4.0 x8 |
| TDP | 320 W | 180 W✓ |
| Power Connectors | 1x 16-pin | 1x 8-pin |
| Released | Sep 2022 | May 2022 |
Related Reading
The Ultimate 1440p Powerhouse: NVIDIA GeForce RTX 4080
In 2026, the RTX 4080 has found its sweet spot. Is this former 4K titan the ultimate high-refresh 1440p card for today's market?
Best for: The 4K Texture Modder & Raw Power Enthusiast
Modded Skyrim and Starfield at 4K can exceed 18GB of VRAM usage. Discover why the 7900 XT's 20GB buffer is a necessity.