GPU Comparison

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

Quick Verdict

The Radeon RX 7900 XTX is dramatically faster than the Radeon RX 6700 XT, leading by roughly 133% in our performance index. The Radeon RX 6700 XT, however, delivers more performance per dollar — $1,099 CAD cheaper.

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

VS
AMD
Radeon RX 6700 XT
Price
$761 CAD
Performance
24%
VRAM
12 GB GDDR6
Key Specs Advantage
+3% Boost Clock (2,581 MHz vs 2,500 MHz)
Price
$1,860 CAD
Performance
56%
VRAM
24 GB GDDR6
Key Specs Advantage
+150% Bandwidth (960 GB/s vs 384 GB/s)
+140% Stream Processors (6,144 vs 2,560)
+140% Ray Accelerators (96 vs 40)

Radeon RX 7900 XTX vs Radeon RX 6700 XT: In-Depth Breakdown

Performance: Radeon RX 7900 XTX vs Radeon RX 6700 XT

The Radeon RX 7900 XTX is dramatically faster, around 133% ahead of the Radeon RX 6700 XT. That gap is enough to move it up a tier: the Radeon RX 7900 XTX is comfortable at 4K with upscaling and native 1440p, while the Radeon RX 6700 XT is better matched to 1080p. The Radeon RX 7900 XTX packs 6,144 stream processors versus 2,560 on the Radeon RX 6700 XT.

Price & Value

Right now the Radeon RX 6700 XT starts at $761 CAD against $1,860 CAD for the Radeon RX 7900 XTX. Despite being slower, the Radeon RX 6700 XT offers the better performance-per-dollar, so budget-focused buyers should weigh it carefully. The Radeon RX 6700 XT still sits about $282 CAD above its $479 CAD MSRP. The Radeon RX 7900 XTX still sits about $861 CAD above its $999 CAD MSRP.

Power & Efficiency

The Radeon RX 6700 XT pulls less power (230W vs 355W), so it's the easier card to cool and the lighter load on your PSU. The faster Radeon RX 7900 XTX draws more overall but extracts more performance from each watt — plan for a sturdier power supply if you pick it. Its more modern RDNA 3 architecture on a TSMC N5 process is part of why it does more with each watt.

VRAM & Future-Proofing

With 24GB against 12GB, the Radeon RX 7900 XTX has more headroom for 4K textures and memory-hungry creative/AI tasks where the Radeon RX 6700 XT's 12GB can fall short. The Radeon RX 7900 XTX's memory is also faster — 960 GB/s versus 384 GB/s (384-bit vs 192-bit bus) — which helps feed the GPU at 4K and with heavy textures.

Which should you buy: Radeon RX 6700 XT or Radeon RX 7900 XTX?

Choose the Radeon RX 7900 XTX if you want the most performance and can absorb the higher price. If you're optimizing for value, the Radeon RX 6700 XT stretches your money further for only slightly lower performance.

Frequently Asked Questions

Is the Radeon RX 7900 XTX better than the Radeon RX 6700 XT?

The Radeon RX 7900 XTX is dramatically faster, roughly 133% ahead. The Radeon RX 6700 XT is still worth it if value matters more than top-end frames.

Which is better for 4K gaming, the Radeon RX 6700 XT or the Radeon RX 7900 XTX?

The Radeon RX 7900 XTX is the better 4K option — it's comfortable at 4K with upscaling and native 1440p, and its 24GB of VRAM helps with 4K textures.

Is the Radeon RX 7900 XTX worth the extra $1,099 CAD over the Radeon RX 6700 XT?

Only if you need the extra performance or features; on pure value the Radeon RX 6700 XT comes out ahead.

Does the Radeon RX 7900 XTX have enough VRAM advantage to matter?

Its 24GB (vs 12GB) gives real headroom for 4K, heavy texture mods, and creative/AI work. At 1080p the gap matters less.

Technical Specifications Comparison

Architecture & Cores

SpecificationRadeon RX 6700 XTRadeon RX 7900 XTX
ArchitectureRDNA 2RDNA 3
Process NodeTSMC N7TSMC N5
CUDA Cores (Stream Processors / Stream Processors)2,5606,144
Ray Tracing Cores4096
Tensor / AI Cores192

Clock Speeds

SpecificationRadeon RX 6700 XTRadeon RX 7900 XTX
Base Clock2,321 MHz1,900 MHz
Boost Clock2,581 MHz2,500 MHz

Memory

SpecificationRadeon RX 6700 XTRadeon RX 7900 XTX
VRAM Capacity12 GB24 GB
Memory TypeGDDR6GDDR6
Memory Bus192-bit384-bit
Memory Speed16 Gbps20 Gbps
Bandwidth384 GB/s960 GB/s

Connectivity & Power

SpecificationRadeon RX 6700 XTRadeon RX 7900 XTX
InterfacePCIe 4.0 x16PCIe 4.0 x16
TDP230 W355 W
Power Connectors1x 6-pin + 1x 8-pin2x 8-pin
ReleasedMar 2021Nov 2022