GPU Comparison

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

Quick Verdict

The Radeon RX 7900 GRE is dramatically faster than the Radeon RX 6650 XT, leading by roughly 126% in our performance index. It is also the stronger value pick here, so it's the easy recommendation if your budget allows.

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

VS
Price
$290 USD
Performance
19%
VRAM
8 GB GDDR6
Key Specs Advantage
+17% Boost Clock (2,635 MHz vs 2,245 MHz)
AMD
Radeon RX 7900 GRE
Price
$650 USD
Performance
43%
VRAM
16 GB GDDR6
Key Specs Advantage
+150% Stream Processors (5,120 vs 2,048)
+150% Ray Accelerators (80 vs 32)
+106% Bandwidth (576 GB/s vs 280 GB/s)

Radeon RX 7900 GRE vs Radeon RX 6650 XT: In-Depth Breakdown

Performance: Radeon RX 7900 GRE vs Radeon RX 6650 XT

The Radeon RX 7900 GRE is dramatically faster, around 126% ahead of the Radeon RX 6650 XT. That gap is enough to move it up a tier: the Radeon RX 7900 GRE is comfortable at 4K with upscaling and native 1440p, while the Radeon RX 6650 XT is better matched to 1080p. The Radeon RX 7900 GRE packs 5,120 stream processors versus 2,048 on the Radeon RX 6650 XT.

Price & Value

Right now the Radeon RX 6650 XT starts at $290 USD against $650 USD for the Radeon RX 7900 GRE. Because it's both faster and competitively priced, the Radeon RX 7900 GRE wins on performance-per-dollar. The Radeon RX 6650 XT is trading below its $399 USD MSRP — a genuine deal. The Radeon RX 7900 GRE still sits about $101 USD above its $549 USD MSRP.

Power & Efficiency

The Radeon RX 6650 XT pulls less power (180W vs 260W), so it's the easier card to cool and the lighter load on your PSU. The faster Radeon RX 7900 GRE 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 16GB against 8GB, the Radeon RX 7900 GRE has more headroom for 4K textures and memory-hungry creative/AI tasks where the Radeon RX 6650 XT's 8GB can fall short. The Radeon RX 7900 GRE's memory is also faster — 576 GB/s versus 280 GB/s (256-bit vs 128-bit bus) — which helps feed the GPU at 4K and with heavy textures.

Generation & Longevity

The Radeon RX 7900 GRE is roughly 2 years newer than the Radeon RX 6650 XT (RDNA 3 vs RDNA 2), so it generally benefits from a more modern architecture and longer driver-support runway.

Which should you buy: Radeon RX 6650 XT or Radeon RX 7900 GRE?

The Radeon RX 7900 GRE is the all-round winner here — it's faster and the better value, so buy it if it fits your budget. Only consider the Radeon RX 6650 XT if you find it at a steep discount.

Frequently Asked Questions

Is the Radeon RX 7900 GRE better than the Radeon RX 6650 XT?

The Radeon RX 7900 GRE is dramatically faster, roughly 126% ahead. If your budget allows, it's the stronger pick.

Which is better for 4K gaming, the Radeon RX 6650 XT or the Radeon RX 7900 GRE?

The Radeon RX 7900 GRE is the better 4K option — it's comfortable at 4K with upscaling and native 1440p, and its 16GB of VRAM helps with 4K textures.

Is the Radeon RX 7900 GRE worth the extra $360 USD over the Radeon RX 6650 XT?

Often yes — despite the higher price the Radeon RX 7900 GRE delivers better performance-per-dollar here.

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

Its 16GB (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

SpecificationRadeon RX 6650 XTRadeon RX 7900 GRE
ArchitectureRDNA 2RDNA 3
Process NodeTSMC N7TSMC N5
CUDA Cores (Stream Processors / Stream Processors)2,0485,120
Ray Tracing Cores3280
Tensor / AI Cores160

Clock Speeds

SpecificationRadeon RX 6650 XTRadeon RX 7900 GRE
Base Clock2,055 MHz1,287 MHz
Boost Clock2,635 MHz2,245 MHz

Memory

SpecificationRadeon RX 6650 XTRadeon RX 7900 GRE
VRAM Capacity8 GB16 GB
Memory TypeGDDR6GDDR6
Memory Bus128-bit256-bit
Memory Speed17.5 Gbps18 Gbps
Bandwidth280 GB/s576 GB/s

Connectivity & Power

SpecificationRadeon RX 6650 XTRadeon RX 7900 GRE
InterfacePCIe 4.0 x8PCIe 4.0 x16
TDP180 W260 W
Power Connectors1x 8-pin2x 8-pin
ReleasedMay 2022Feb 2024