Quadro P400 vs Radeon HD 6900M

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 P400 vs Radeon HD 6900M 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 P400 vs Radeon HD 6900M: 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 P400

2017

Why buy it

✅Delivers 100+% more G3D Mark for each dollar spent, at 9.8 vs 0 G3D/$ ($169 MSRP vs Unknown MSRP).
✅300% more VRAM for high-resolution textures and newer games (2 GB vs 512 MB).
✅Draws 30W instead of 75W, a 45W reduction.

Trade-offs

❌Lower average FPS than Radeon HD 6900M across 50 tracked games in our benchmark data.
❌2017 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.

Radeon HD 6900M

2011

Why buy it

✅32.2% more average FPS across 50 tracked games in our benchmark data.

Trade-offs

❌Less VRAM, with 512 MB vs 2 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.
❌Lower G3D Mark per dollar, at 0 vs 9.8 G3D/$ (Unknown MSRP vs $169 MSRP).
❌150% higher power demand at 75W vs 30W.

Quick Answers

Which GPU is faster for gaming right now?

Radeon HD 6900M is the faster gaming card right now. In our data, it leads by 32.2% in average FPS across 50 tracked games in our benchmark data and by 2.9% in PassMark G3D (1,707 vs 1,659), so the answer here is pretty clean.

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

Quadro P400 is the safer long-term pick for 2026 and beyond. The case is simple: 2 GB vs 512 MB of VRAM, a 14nm process instead of 40nm, and a newer 2017 generation instead of 2011. That gives it more room for heavier textures and higher settings over time.

Which GPU is the better buy today?

Quadro P400 makes the most sense today based on the pricing and value data we have for this matchup. Radeon HD 6900M still makes more sense if max raw gaming performance matters more than value.

Quadro P400 vs Radeon HD 6900M Technical Specifications

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

Quadro P400

The Quadro P400 is manufactured by NVIDIA. It was released in February 7 2017. It features the Pascal architecture. The core clock ranges from 1228 MHz to 1252 MHz. It has 256 shading units. The thermal design power (TDP) is 30W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 1,659 points. Launch price was $119.99.

Radeon HD 6900M

The Radeon HD 6900M is manufactured by AMD. It was released in January 4 2011. It features the TeraScale 2 architecture. The core clock speed is 680 MHz. It has 960 shading units. The thermal design power (TDP) is 75W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 1,707 points.

⚡

Graphics Performance

The Quadro P400 scores 1,659 and the Radeon HD 6900M reaches 1,707 in the G3D Mark benchmark — just a 2.9% difference, making them near-identical in rasterization performance. The Quadro P400 is built on Pascal while the Radeon HD 6900M uses TeraScale 2, both on 14 nm vs 40 nm. Shader units: 256 (Quadro P400) vs 960 (Radeon HD 6900M). Raw compute: 0.641 TFLOPS (Quadro P400) vs 1.306 TFLOPS (Radeon HD 6900M).

Feature	Quadro P400	Radeon HD 6900M
G3D Mark Score	1,659	1,707+3%
Architecture	Pascal	TeraScale 2
Process Node	14 nm	40 nm
Shading Units	256	960+275%
Compute (TFLOPS)	0.641 TFLOPS	1.306 TFLOPS+104%
ROPs	16	32+100%
TMUs	16	48+200%
L1 Cache	96 KB	192 KB+100%
L2 Cache	512 KB	512 KB

✨

Advanced Features (DLSS/FSR)

Feature	Quadro P400	Radeon HD 6900M
Upscaling Tech	Upscaling support	FSR Upscaling / FSR 4
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	Standard	AMD Anti-Lag

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Video Memory (VRAM)

The Quadro P400 has 2 GB of VRAM, while the Radeon HD 6900M carries 512 MB. Quadro P400 gives you 300% 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 P400 and System on the Radeon HD 6900M.

Feature	Quadro P400	Radeon HD 6900M
VRAM Capacity	2 GB+300%	0.5 GB
Memory Type	GDDR5	Shared
Bus Width	64-bit	System
L2 Cache	512 KB	512 KB

🔌

Power & Dimensions

The Quadro P400 draws 30W versus the Radeon HD 6900M's 75W — a 85.7% difference. The Quadro P400 is more power-efficient. Recommended PSU: 350W (Quadro P400) vs 350W (Radeon HD 6900M). Power connectors: PCIe-powered vs 1x 6-pin.

Feature	Quadro P400	Radeon HD 6900M
TDP	30W-60%	75W
Recommended PSU	350W	350W
Power Connector	PCIe-powered	1x 6-pin
Length	145mm	—
Slots	1	—
Perf/Watt	55.3+143%	22.8

💰

Value Analysis

The newer card here is Quadro P400 (2017 vs 2011).

Feature	Quadro P400	Radeon HD 6900M
MSRP	$169	—
Codename	GP107	Blackcomb
Release	February 7 2017	January 4 2011
Ranking	#741	#654

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