GPU Comparison

Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.

Quick Verdict

On raw speed the GeForce RTX 4070 comes out dramatically faster — about 106% ahead of the Radeon RX 6600 XT. But the Radeon RX 6600 XT is the better value, undercutting it by $442 CAD for the performance you get.

Maximum Capacity Reached. Remove a model to add another. (2/2)

VS
Price
$842 CAD
Performance
37%
VRAM
12 GB GDDR6X
Key Specs Advantage
+188% CUDA Cores (5,888 vs 2,048)
+97% Bandwidth (504 GB/s vs 256 GB/s)
+50% Memory Bus (192-bit vs 128-bit)
AMD
Radeon RX 6600 XT
Price
$400 CAD
Performance
18%
VRAM
8 GB GDDR6
Key Specs Advantage
+5% Boost Clock (2,589 MHz vs 2,475 MHz)

GeForce RTX 4070 vs Radeon RX 6600 XT: In-Depth Breakdown

Performance: GeForce RTX 4070 vs Radeon RX 6600 XT

The GeForce RTX 4070 is dramatically faster, around 106% ahead of the Radeon RX 6600 XT. That gap is enough to move it up a tier: the GeForce RTX 4070 is comfortable at 1440p, while the Radeon RX 6600 XT is better matched to 1080p.

Price & Value

The Radeon RX 6600 XT currently lists from $400 CAD, $442 CAD less than the GeForce RTX 4070 at $842 CAD. Despite being slower, the Radeon RX 6600 XT offers the better performance-per-dollar, so budget-focused buyers should weigh it carefully. The GeForce RTX 4070 still sits about $242 CAD above its $600 CAD MSRP.

Power & Efficiency

On power, the Radeon RX 6600 XT is the gentler choice at 160W versus 200W. The GeForce RTX 4070 is more efficient per watt because it's faster, but its higher 200W draw means more heat and a bigger PSU. Its more modern Ada Lovelace architecture on a TSMC N4 process is part of why it does more with each watt.

VRAM & Future-Proofing

The GeForce RTX 4070 carries 12GB versus 8GB on the Radeon RX 6600 XT. The extra 4GB helps at 4K, with high-resolution texture packs, and for content-creation or local-AI workloads that exhaust smaller buffers.

Generation & Longevity

The GeForce RTX 4070 is roughly 2 years newer than the Radeon RX 6600 XT (Ada Lovelace vs RDNA 2), so it generally benefits from a more modern architecture and longer driver-support runway.

Features & Ecosystem

Beyond raw numbers, the GeForce RTX 4070 brings NVIDIA DLSS upscaling/frame generation and stronger ray tracing, while the Radeon RX 6600 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 4070 or Radeon RX 6600 XT?

Choose the GeForce RTX 4070 if you want the most performance and can absorb the higher price. If you're optimizing for value, the Radeon RX 6600 XT stretches your money further for only slightly lower performance.

Frequently Asked Questions

Is the GeForce RTX 4070 better than the Radeon RX 6600 XT?

The GeForce RTX 4070 is dramatically faster, roughly 106% ahead. The Radeon RX 6600 XT is still worth it if value matters more than top-end frames.

Which is better for 4K gaming, the GeForce RTX 4070 or the Radeon RX 6600 XT?

Neither is a dedicated 4K card; both are best at 1440p. For 4K you'd want a faster GPU, or lean on upscaling.

Is the GeForce RTX 4070 worth the extra $442 CAD over the Radeon RX 6600 XT?

Only if you need the extra performance or features; on pure value the Radeon RX 6600 XT comes out ahead.

Does the GeForce RTX 4070 have enough VRAM advantage to matter?

Its 12GB (vs 8GB) gives real headroom for 4K, heavy texture mods, and creative/AI work. At 1080p the gap matters less.

Technical Specifications Comparison

Architecture & Cores

SpecificationGeForce RTX 4070Radeon RX 6600 XT
ArchitectureAda LovelaceRDNA 2
Process NodeTSMC N4TSMC N7
CUDA Cores (CUDA Cores / Stream Processors)5,8882,048
Ray Tracing Cores4632
Tensor / AI Cores184

Clock Speeds

SpecificationGeForce RTX 4070Radeon RX 6600 XT
Base Clock1,920 MHz1,968 MHz
Boost Clock2,475 MHz2,589 MHz

Memory

SpecificationGeForce RTX 4070Radeon RX 6600 XT
VRAM Capacity12 GB8 GB
Memory TypeGDDR6XGDDR6
Memory Bus192-bit128-bit
Memory Speed21 Gbps16 Gbps
Bandwidth504 GB/s256 GB/s

Connectivity & Power

SpecificationGeForce RTX 4070Radeon RX 6600 XT
InterfacePCIe 4.0 x16PCIe 4.0 x8
TDP200 W160 W
Power Connectors1x 16-pin1x 8-pin
ReleasedApr 2023Jul 2021