GeForce GTX 580M SLI vs Radeon R9 M375X

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.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, raw graphics performance, VRAM, feature set, power efficiency, pricing context, and long-term value so you can see which GPU actually makes more sense.

GeForce GTX 580M SLI

2011

Why buy it

✅65.3% more average FPS across 12 tracked games in our benchmark data.

Trade-offs

❌Less VRAM, with 512 MB vs 4 GB for high-resolution textures and newer games.
❌Very weak future-proofing: 2011-era hardware with 512 MB of VRAM is already obsolete for modern gaming and is hard to recommend today.
❌Lower G3D Mark per dollar, at 0 vs 6.8 G3D/$ (Unknown MSRP vs $250 MSRP).
❌33.3% higher power demand at 100W vs 75W.

Radeon R9 M375X

2015

Why buy it

✅Delivers 100+% more G3D Mark for each dollar spent, at 6.8 vs 0 G3D/$ ($250 MSRP vs Unknown MSRP).
✅700% more VRAM for high-resolution textures and newer games (4 GB vs 512 MB).
✅Draws 75W instead of 100W, a 25W reduction.

Trade-offs

❌Lower average FPS than GeForce GTX 580M SLI across 12 tracked games in our benchmark data.
❌Very weak future-proofing: 2015-era hardware with 4 GB of VRAM is already obsolete for modern gaming and is hard to recommend today.

GeForce GTX 580M SLI

2011

Radeon R9 M375X

2015

Why buy it

✅65.3% more average FPS across 12 tracked games in our benchmark data.

Why buy it

✅Delivers 100+% more G3D Mark for each dollar spent, at 6.8 vs 0 G3D/$ ($250 MSRP vs Unknown MSRP).
✅700% more VRAM for high-resolution textures and newer games (4 GB vs 512 MB).
✅Draws 75W instead of 100W, a 25W reduction.

Trade-offs

❌Less VRAM, with 512 MB vs 4 GB for high-resolution textures and newer games.
❌Very weak future-proofing: 2011-era hardware with 512 MB of VRAM is already obsolete for modern gaming and is hard to recommend today.
❌Lower G3D Mark per dollar, at 0 vs 6.8 G3D/$ (Unknown MSRP vs $250 MSRP).
❌33.3% higher power demand at 100W vs 75W.

Trade-offs

❌Lower average FPS than GeForce GTX 580M SLI across 12 tracked games in our benchmark data.
❌Very weak future-proofing: 2015-era hardware with 4 GB of VRAM is already obsolete for modern gaming and is hard to recommend today.

Quick Answers

So, is GeForce GTX 580M SLI better than Radeon R9 M375X?

Yes. GeForce GTX 580M SLI is the better GPU overall here. You are getting 65.3% more average FPS across 12 tracked games in our benchmark data and 3.5% higher PassMark G3D performance. It also comes from 2011 instead of 2015, which helps its case as the more complete modern gaming card.

Which one is more future-proof for 2026 and beyond?

GeForce GTX 580M SLI is the more future-proof choice for 2026 and beyond. You are getting the stronger feature stack with no meaningful modern upscaling stack instead of FSR upscaling. That broader feature stack should age better as more games lean on modern upscaling and frame-generation support.

Which one is the smarter buy today, not just the cheaper card?

GeForce GTX 580M SLI is the smarter buy by a wide margin. GeForce GTX 580M SLI is priced in an unclear MSRP range at an unclear MSRP versus $250 MSRP, and you are getting 65.3% more estimated average FPS across 12 tracked games in our benchmark data and 3.5% higher G3D Mark. Radeon R9 M375X really only makes sense now as a very cheap stopgap or a used-market placeholder.

When does Radeon R9 M375X make more sense than GeForce GTX 580M SLI?

Yes. Radeon R9 M375X is still an excellent gaming GPU in 2026: it is still comfortable for 1080p and decent for 1440p, though 4K is more situational. It makes more sense if your priority is newer architecture, lower power draw (75W vs 100W), and staying closer to $250 MSRP more than squeezing out the extra headroom of GeForce GTX 580M SLI. The trade-off is that GeForce GTX 580M SLI currently gives you 3.5% higher G3D Mark and 65.3% more estimated average FPS across 12 tracked games in our benchmark data. Radeon R9 M375X still holds the G3D-per-dollar lead, so the performance win comes with a real value premium.

Games Benchmarks

Real-world benchmarks and performance projections based on comprehensive hardware analysis and comparative metrics. Values represent expected performance on High/Ultra settings at 1080p, 1440p, and 4K. Modeled using a Ryzen 7 9800X3D reference profile to minimize specific CPU bottlenecks.

Note: Performance behavior can vary per game. Specific architectures may perform better or worse depending on game engine optimizations and API implementation.

GeForce GTX 580M SLI Benchmark Check

Radeon R9 M375X Benchmark Check

Path of Exile 2

Preset	GeForce GTX 580M SLI	Radeon R9 M375X
1080p
low	77 FPS	25 FPS
medium	64 FPS	16 FPS
high	49 FPS	10 FPS
ultra	32 FPS	5 FPS
1440p
low	60 FPS	13 FPS
medium	48 FPS	7 FPS
high	38 FPS	3 FPS
ultra	24 FPS	2 FPS
4K
low	24 FPS	4 FPS
medium	22 FPS	3 FPS
high	14 FPS	1 FPS
ultra	12 FPS	1 FPS

Open GeForce GTX 580M SLI Open Radeon R9 M375X

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	GeForce GTX 580M SLI	Radeon R9 M375X
1080p
low	67 FPS	54 FPS
medium	45 FPS	28 FPS
high	33 FPS	20 FPS
ultra	21 FPS	13 FPS
1440p
low	38 FPS	26 FPS
medium	21 FPS	15 FPS
high	15 FPS	9 FPS
ultra	11 FPS	7 FPS
4K
low	13 FPS	7 FPS
medium	8 FPS	5 FPS
high	6 FPS	4 FPS
ultra	5 FPS	2 FPS

Open GeForce GTX 580M SLI Open Radeon R9 M375X

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	GeForce GTX 580M SLI	Radeon R9 M375X
1080p
low	80 FPS	77 FPS
medium	64 FPS	62 FPS
high	53 FPS	51 FPS
ultra	40 FPS	38 FPS
1440p
low	60 FPS	58 FPS
medium	48 FPS	46 FPS
high	40 FPS	38 FPS
ultra	30 FPS	29 FPS
4K
low	40 FPS	38 FPS
medium	32 FPS	31 FPS
high	27 FPS	26 FPS
ultra	20 FPS	19 FPS

Open GeForce GTX 580M SLI Open Radeon R9 M375X

League of Legends

League of Legends

Valorant

Preset	GeForce GTX 580M SLI	Radeon R9 M375X
1080p
low	69 FPS	77 FPS
medium	58 FPS	62 FPS
high	50 FPS	51 FPS
ultra	40 FPS	38 FPS
1440p
low	56 FPS	58 FPS
medium	48 FPS	46 FPS
high	40 FPS	38 FPS
ultra	30 FPS	27 FPS
4K
low	39 FPS	34 FPS
medium	32 FPS	24 FPS
high	26 FPS	20 FPS
ultra	20 FPS	14 FPS

Open GeForce GTX 580M SLI Open Radeon R9 M375X

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of GeForce GTX 580M SLI and Radeon R9 M375X

GeForce GTX 580M SLI

The GeForce GTX 580M SLI is manufactured by NVIDIA. It was released in January 6 2011. It features the Fermi architecture. The core clock speed is 620 MHz. It has 768 shading units. The thermal design power (TDP) is 100W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 1,771 points.

Radeon R9 M375X

The Radeon R9 M375X is manufactured by AMD. It was released in May 5 2015. It features the GCN 1.0 architecture. The core clock ranges from 925 MHz to 1015 MHz. It has 640 shading units. The thermal design power (TDP) is 75W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,711 points.

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Graphics Performance

The GeForce GTX 580M SLI scores 1,771 and the Radeon R9 M375X reaches 1,711 in the G3D Mark benchmark — just a 3.5% difference, making them near-identical in rasterization performance. The GeForce GTX 580M SLI is built on Fermi while the Radeon R9 M375X uses GCN 1.0, both on 40 nm vs 28 nm. Shader units: 768 (GeForce GTX 580M SLI) vs 640 (Radeon R9 M375X).

Feature	GeForce GTX 580M SLI	Radeon R9 M375X
G3D Mark Score	1,771+4%	1,711
Architecture	Fermi	GCN 1.0
Process Node	40 nm	28 nm
Shading Units	768+20%	640

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Advanced Features (DLSS/FSR)

The GeForce GTX 580M SLI gives access to NVIDIA DLSS (Deep Learning Super Sampling), widely regarding as the superior upscaling method for image quality. The Radeon R9 M375X relies on FSR (FidelityFX Super Resolution), which is capable but generally slightly noisier than DLSS in motion.

Feature	GeForce GTX 580M SLI	Radeon R9 M375X
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 580M SLI comes with 512 MB of VRAM, while the Radeon R9 M375X has 4 GB. The Radeon R9 M375X offers 700% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 128-bit.

Feature	GeForce GTX 580M SLI	Radeon R9 M375X
VRAM Capacity	0.5 GB	4 GB+700%
Memory Type	GDDR5	GDDR5
Memory Bandwidth	Unknown	80 GB/s
Bus Width	128-bit	128-bit

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Power & Dimensions

The GeForce GTX 580M SLI draws 100W versus the Radeon R9 M375X's 75W — a 28.6% difference. The Radeon R9 M375X is more power-efficient. Recommended PSU: 350W (GeForce GTX 580M SLI) vs 350W (Radeon R9 M375X). Power connectors: 1x 6-pin vs Mobile.