GeForce GTX 775M vs Radeon R9 M390X

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 GTX 775M vs Radeon R9 M390X 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 GTX 775M vs Radeon R9 M390X: 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 GTX 775M

2013

Why buy it

✅Competitive enough if your priority is price, power, or specific feature preference.

Trade-offs

❌Lower average FPS than Radeon R9 M390X across 50 tracked games in our benchmark data.
❌Less VRAM, with 2 GB vs 4 GB for high-resolution textures and newer games.
❌2013 hardware with 2 GB 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 7.1 G3D/$ (Unknown MSRP vs $550 MSRP).
❌33.3% higher power demand at 100W vs 75W.

Radeon R9 M390X

2015

Why buy it

✅30.1% more average FPS across 50 tracked games in our benchmark data.
✅Delivers 100+% more G3D Mark for each dollar spent, at 7.1 vs 0 G3D/$ ($550 MSRP vs Unknown MSRP).
✅100% more VRAM for high-resolution textures and newer games (4 GB vs 2 GB).
✅Draws 75W instead of 100W, a 25W reduction.

Trade-offs

❌2015 hardware with 4 GB 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?

Radeon R9 M390X is the faster gaming card right now. In our data, it leads by 30.1% in average FPS across 50 tracked games in our benchmark data and by 1.5% in PassMark G3D (3,895 vs 3,837), so the answer here is pretty clean.

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

GeForce GTX 775M is the safer long-term pick for 2026 and beyond because it comes out ahead on the available hardware-headroom signals for this matchup.

Which GPU is the better buy today?

Radeon R9 M390X makes the most sense today based on the pricing and value data we have for this matchup. If you are mainly targeting 1080p and some 1440p, Radeon R9 M390X is the easier value choice. If you care more about 1080p and some 1440p headroom, GeForce GTX 775M has the stronger long-term case.

GeForce GTX 775M vs Radeon R9 M390X Technical Specifications

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

GeForce GTX 775M

The GeForce GTX 775M is manufactured by NVIDIA. It was released in September 24 2013. It features the Kepler architecture. The core clock speed is 719 MHz. It has 1344 shading units. The thermal design power (TDP) is 100W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 3,837 points.

Radeon R9 M390X

The Radeon R9 M390X is manufactured by AMD. It was released in May 5 2015. It features the GCN 3.0 architecture. The core clock speed is 723 MHz. It has 2048 shading units. The thermal design power (TDP) is 75W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 3,895 points.

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Graphics Performance

The GeForce GTX 775M scores 3,837 and the Radeon R9 M390X reaches 3,895 in the G3D Mark benchmark — just a 1.5% difference, making them near-identical in rasterization performance. The GeForce GTX 775M is built on Kepler while the Radeon R9 M390X uses GCN 3.0, both on a 28 nm process. Shader units: 1,344 (GeForce GTX 775M) vs 2,048 (Radeon R9 M390X).

Feature	GeForce GTX 775M	Radeon R9 M390X
G3D Mark Score	3,837	3,895+2%
Architecture	Kepler	GCN 3.0
Process Node	28 nm	28 nm
Shading Units	1344	2048+52%

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Advanced Features (DLSS/FSR)

The GeForce GTX 775M gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon R9 M390X leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.

Feature	GeForce GTX 775M	Radeon R9 M390X
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

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Video Memory (VRAM)

The GeForce GTX 775M has 2 GB of VRAM, while the Radeon R9 M390X carries 4 GB. Radeon R9 M390X gives you 100% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 256-bit on the GeForce GTX 775M and 256-bit on the Radeon R9 M390X.

Feature	GeForce GTX 775M	Radeon R9 M390X
VRAM Capacity	2 GB	4 GB+100%
Memory Type	GDDR5	GDDR5
Memory Bandwidth	160 GB/s	160 GB/s
Bus Width	256-bit	256-bit

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Power & Dimensions

The GeForce GTX 775M draws 100W versus the Radeon R9 M390X's 75W — a 28.6% difference. The Radeon R9 M390X is more power-efficient. Recommended PSU: 350W (GeForce GTX 775M) vs 350W (Radeon R9 M390X). Power connectors: 1x 6-pin vs Mobile.

Feature	GeForce GTX 775M	Radeon R9 M390X
TDP	100W	75W-25%
Recommended PSU	350W	350W
Power Connector	1x 6-pin	Mobile
Length	1mm	—
Slots	0	—
Perf/Watt	38.4	51.9+35%

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Value Analysis

The newer card here is Radeon R9 M390X (2015 vs 2013).

Feature	GeForce GTX 775M	Radeon R9 M390X
MSRP	—	$550
Codename	N13E-GTX-A2	Amethyst
Release	September 24 2013	May 5 2015
Ranking	#502	#504

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