GeForce 6600 GT vs Radeon X1900 GT

G3D Mark is a standard benchmark that measures graphics performance in real-world gaming scenarios. It simplifies comparing cards from different brands, where higher scores directly correlate with better fps and smoother gaming experiences.

GeForce 6600 GT vs Radeon X1900 GT FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with Ryzen 7 9800X3D to isolate GPU performance.

Search any supported game below to compare 1080p FPS for both components.

GeForce 6600 GT vs Radeon X1900 GT: Pros, Cons & Final Verdict

See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.

GeForce 6600 GT

2012

Why buy it

✅Costs $100 less on MSRP ($199 MSRP vs $299 MSRP).
✅Delivers 47.2% more G3D Mark for each dollar spent, at 0.7 vs 0.5 G3D/$ ($199 MSRP vs $299 MSRP).
✅Draws 150W instead of 300W, a 150W reduction.

Trade-offs

❌2012 hardware with 256 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.

Radeon X1900 GT

2022

Why buy it

✅Better long-term bet: RDNA 3.0 (2022−2026) on 5nm gives it a newer hardware base for upcoming games.
✅More future proof: RDNA 3.0 (2022−2026) on 5nm with a newer platform for upcoming games.

Trade-offs

❌
50.3% HIGHER MSRP
$299 MSRPvs$199 MSRP
❌Lower G3D Mark per dollar, at 0.5 vs 0.7 G3D/$ ($299 MSRP vs $199 MSRP).
❌100% higher power demand at 300W vs 150W.

Quick Answers

Which GPU is faster for gaming right now?

Radeon X1900 GT is the faster gaming card right now based on the synthetic data we have. It leads by 2.1% in PassMark G3D (146 vs 143), which is the best performance signal available in this matchup.

Which GPU is the safer long-term pick for 2026 and beyond?

Radeon X1900 GT is the safer long-term pick for 2026 and beyond. The case is simple: the newer upscaling stack, FSR Upscaling / FSR 4 (2025) instead of no meaningful modern upscaling stack, a 5nm process instead of 28nm, 84 vs 0 ray-tracing units, and a newer 2022 generation instead of 2012. That gives it the more rounded hardware package for newer games.

Which GPU is the better buy today?

GeForce 6600 GT makes the most sense to buy today. It is $100 cheaper on MSRP at $199 vs $299, and it leads G3D-per-dollar by 47.2% (0.7 vs 0.5), which is enough to swing the recommendation its way. If you are mainly targeting 1080p and some 1440p, GeForce 6600 GT is the easier value choice. If you care more about 1080p and some 1440p headroom, Radeon X1900 GT has the stronger long-term case.

GeForce 6600 GT vs Radeon X1900 GT Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

GeForce 6600 GT

The GeForce 6600 GT is manufactured by NVIDIA. It was released in August 16 2012. It features the Kepler architecture. The core clock ranges from 915 MHz to 980 MHz. It has 1344 shading units. The thermal design power (TDP) is 150W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 143 points. Launch price was $299.

Radeon X1900 GT

The Radeon X1900 GT is manufactured by AMD. It was released in November 3 2022. It features the RDNA 3.0 architecture. The core clock ranges from 1387 MHz to 2394 MHz. It has 5376 shading units. The thermal design power (TDP) is 300W. Manufactured using 5 nm process technology. It features 84 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 146 points. Launch price was $899.

⚡

Graphics Performance

The GeForce 6600 GT scores 143 and the Radeon X1900 GT reaches 146 in the G3D Mark benchmark — just a 2.1% difference, making them near-identical in rasterization performance. The GeForce 6600 GT is built on Kepler while the Radeon X1900 GT uses RDNA 3.0, both on 28 nm vs 5 nm. Shader units: 1,344 (GeForce 6600 GT) vs 5,376 (Radeon X1900 GT). Raw compute: 2.634 TFLOPS (GeForce 6600 GT) vs 51.48 TFLOPS (Radeon X1900 GT). Boost clocks: 980 MHz vs 2394 MHz.

Feature	GeForce 6600 GT	Radeon X1900 GT
G3D Mark Score	143	146+2%
Architecture	Kepler	RDNA 3.0
Process Node	28 nm	5 nm
Shading Units	1344	5376+300%
Compute (TFLOPS)	2.634 TFLOPS	51.48 TFLOPS+1854%
Boost Clock	980 MHz	2394 MHz+144%
ROPs	24	192+700%
TMUs	112	336+200%
L1 Cache	0.11 MB	3 MB+2627%
L2 Cache	0.38 MB	6 MB+1479%

✨

Advanced Features (DLSS/FSR)

The GeForce 6600 GT gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon X1900 GT leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.

Feature	GeForce 6600 GT	Radeon X1900 GT
Upscaling Tech	Upscaling support	FSR Upscaling / FSR 4
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	NVIDIA Reflex	AMD Anti-Lag

💾

Video Memory (VRAM)

Both cards ship with 256 MB of GDDR5. Memory bus width is 128-bit on the GeForce 6600 GT and 64-bit on the Radeon X1900 GT. L2 Cache: 0.38 MB (GeForce 6600 GT) vs 6 MB (Radeon X1900 GT) — the Radeon X1900 GT has significantly larger on-die cache to reduce VRAM reliance.

Feature	GeForce 6600 GT	Radeon X1900 GT
VRAM Capacity	0.25 GB	0.25 GB
Memory Type	GDDR5	GDDR5
Bus Width	128-bit+100%	64-bit
L2 Cache	0.38 MB	6 MB+1479%

🔌

Power & Dimensions

The GeForce 6600 GT draws 150W versus the Radeon X1900 GT's 300W — a 66.7% difference. The GeForce 6600 GT is more power-efficient. Recommended PSU: 350W (GeForce 6600 GT) vs 350W (Radeon X1900 GT). Power connectors: Legacy vs PCIe-powered.

Feature	GeForce 6600 GT	Radeon X1900 GT
TDP	150W-50%	300W
Recommended PSU	350W	350W
Power Connector	Legacy	PCIe-powered
Length	183mm	—
Height	111mm	—
Slots	1	—
Temp (Load)	75°C	—
Perf/Watt	1.0+100%	0.5

💰

Value Analysis

At launch, the GeForce 6600 GT came in at $199, while the Radeon X1900 GT launched at $299. On MSRP, GeForce 6600 GT was 33.4% cheaper ($100 less). Performance per dollar on MSRP (G3D Mark / MSRP): 0.7 (GeForce 6600 GT) vs 0.5 (Radeon X1900 GT) — the GeForce 6600 GT offers 40% better value. The newer card here is Radeon X1900 GT (2022 vs 2012).

Feature	GeForce 6600 GT	Radeon X1900 GT
MSRP	$199-33%	$299
Performance per Dollar	0.7+40%	0.5
Codename	GK104	Navi 31
Release	August 16 2012	November 3 2022
Ranking	#472	#21

Search GeForce 6600 GT on Amazon

Search Radeon X1900 GT on Amazon

Affiliate Disclosure

ChipVERSUS is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. We may earn a commission on qualifying purchases made through our links. This comes at no additional cost to you and helps support our work in providing comprehensive PC building guides and tools.

Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates.