Quadro FX 3800 vs Radeon HD 6650A

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.

Quadro FX 3800 vs Radeon HD 6650A 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.

Quadro FX 3800 vs Radeon HD 6650A: Pros, Cons & Final Verdict

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

Quadro FX 3800

2008

Why buy it

✅71.2% more average FPS across 50 tracked games in our benchmark data.
✅100% more VRAM for high-resolution textures and newer games (1 GB vs 512 MB).

Trade-offs

❌2008 hardware with 1 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌
699% HIGHER MSRP
$799 MSRPvs$100 MSRP
❌Lower G3D Mark per dollar, at 1.0 vs 8.4 G3D/$ ($799 MSRP vs $100 MSRP).
❌320% higher power demand at 189W vs 45W.

Radeon HD 6650A

2011

Why buy it

✅Costs $699 less on MSRP ($100 MSRP vs $799 MSRP).
✅Delivers 710.6% more G3D Mark for each dollar spent, at 8.4 vs 1.0 G3D/$ ($100 MSRP vs $799 MSRP).
✅Draws 45W instead of 189W, a 144W reduction.

Trade-offs

❌Lower average FPS than Quadro FX 3800 across 50 tracked games in our benchmark data.
❌Less VRAM, with 512 MB vs 1 GB for high-resolution textures and newer games.
❌2011 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.

Quick Answers

Which GPU is faster for gaming right now?

Quadro FX 3800 is the faster gaming card right now. In our data, it leads by 71.2% in average FPS across 50 tracked games in our benchmark data. PassMark G3D leans toward Radeon HD 6650A instead at 836 vs 824, so for this question the real-game FPS result matters more than the synthetic split.

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

Quadro FX 3800 is the safer long-term pick for 2026 and beyond. The case is simple: 1 GB vs 512 MB of VRAM. That gives it more room for heavier textures and higher settings over time.

Which GPU is the better buy today?

Radeon HD 6650A makes the most sense to buy today. It is $699 cheaper on MSRP at $100 vs $799, and it leads G3D-per-dollar by 710.6% (8.4 vs 1.0), which is enough to swing the recommendation its way. If you are mainly targeting 1080p and some 1440p, Radeon HD 6650A is the easier value choice. If you care more about 1080p and some 1440p headroom, Quadro FX 3800 has the stronger long-term case.

Quadro FX 3800 vs Radeon HD 6650A Technical Specifications

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

Quadro FX 3800

The Quadro FX 3800 is manufactured by NVIDIA. It was released in November 11 2008. It features the Tesla 2.0 architecture. The core clock speed is 610 MHz. It has 240 shading units. The thermal design power (TDP) is 189W. Manufactured using 55 nm process technology. G3D Mark benchmark score: 824 points. Launch price was $3,499.

Radeon HD 6650A

The Radeon HD 6650A is manufactured by AMD. It was released in April 19 2011. It features the TeraScale 2 architecture. The core clock speed is 600 MHz. It has 480 shading units. The thermal design power (TDP) is 45W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 836 points.

⚡

Graphics Performance

The Quadro FX 3800 scores 824 and the Radeon HD 6650A reaches 836 in the G3D Mark benchmark — just a 1.5% difference, making them near-identical in rasterization performance. The Quadro FX 3800 is built on Tesla 2.0 while the Radeon HD 6650A uses TeraScale 2, both on 55 nm vs 40 nm. Shader units: 240 (Quadro FX 3800) vs 480 (Radeon HD 6650A). Raw compute: 0.6221 TFLOPS (Quadro FX 3800) vs 0.576 TFLOPS (Radeon HD 6650A).

Feature	Quadro FX 3800	Radeon HD 6650A
G3D Mark Score	824	836+1%
Architecture	Tesla 2.0	TeraScale 2
Process Node	55 nm	40 nm
Shading Units	240	480+100%
Compute (TFLOPS)	0.6221 TFLOPS+8%	0.576 TFLOPS
ROPs	32+300%	8
TMUs	80+233%	24
L2 Cache	256 KB	256 KB

✨

Advanced Features (DLSS/FSR)

Feature	Quadro FX 3800	Radeon HD 6650A
Upscaling Tech	Upscaling support	FSR Upscaling / FSR 4
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	Standard	AMD Anti-Lag

💾

Video Memory (VRAM)

The Quadro FX 3800 has 1 GB of VRAM, while the Radeon HD 6650A carries 512 MB. Quadro FX 3800 gives you 100% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 64-bit on the Quadro FX 3800 and 128-bit on the Radeon HD 6650A.

Feature	Quadro FX 3800	Radeon HD 6650A
VRAM Capacity	1 GB+100%	0.5 GB
Memory Type	GDDR5	GDDR5
Bus Width	64-bit	128-bit+100%
L2 Cache	256 KB	256 KB

🔌

Power & Dimensions

The Quadro FX 3800 draws 189W versus the Radeon HD 6650A's 45W — a 123.1% difference. The Radeon HD 6650A is more power-efficient. Recommended PSU: 350W (Quadro FX 3800) vs 350W (Radeon HD 6650A). Power connectors: PCIe-powered vs 1x 6-pin.

Feature	Quadro FX 3800	Radeon HD 6650A
TDP	189W	45W-76%
Recommended PSU	350W	350W
Power Connector	PCIe-powered	1x 6-pin
Length	1mm	—
Slots	1	—
Perf/Watt	4.4	18.6+323%

💰

Value Analysis

At launch, the Quadro FX 3800 came in at $799, while the Radeon HD 6650A launched at $100. On MSRP, Radeon HD 6650A was 87.5% cheaper ($699 less). Performance per dollar on MSRP (G3D Mark / MSRP): 1.0 (Quadro FX 3800) vs 8.4 (Radeon HD 6650A) — the Radeon HD 6650A offers 740% better value. The newer card here is Radeon HD 6650A (2011 vs 2008).

Feature	Quadro FX 3800	Radeon HD 6650A
MSRP	$799	$100-87%
Performance per Dollar	1.0	8.4+740%
Codename	GT200B	Onega
Release	November 11 2008	April 19 2011
Ranking	#815	#926

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