Radeon R9 M275X / M375 vs Radeon Vega 8

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.

Radeon R9 M275X / M375 vs Radeon Vega 8 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.

Radeon R9 M275X / M375 vs Radeon Vega 8: Pros, Cons & Final Verdict

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

Radeon R9 M275X / M375

2014

Why buy it

✅100+% more VRAM for high-resolution textures and newer games (4 GB vs Unknown).

Trade-offs

❌Lower average FPS than Radeon Vega 8 across 50 tracked games in our benchmark data.
❌2014 hardware with 4 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
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100% HIGHER MSRP
$300 MSRPvs$150 MSRP
❌Lower G3D Mark per dollar, at 5.3 vs 10.5 G3D/$ ($300 MSRP vs $150 MSRP).
❌66.7% higher power demand at 75W vs 45W.

Radeon Vega 8

2021

Why buy it

✅25.8% more average FPS across 50 tracked games in our benchmark data.
✅Costs $150 less on MSRP ($150 MSRP vs $300 MSRP).
✅Delivers 99.2% more G3D Mark for each dollar spent, at 10.5 vs 5.3 G3D/$ ($150 MSRP vs $300 MSRP).
✅Radeon R9 M275X / M375 is already obsolete for modern gaming, so Radeon Vega 8 is the less risky modern option long term.
✅Draws 45W instead of 75W, a 30W reduction.

Trade-offs

❌Less VRAM, with Unknown vs 4 GB for high-resolution textures and newer games.
❌2021 hardware with Unknown 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 Vega 8 is the faster gaming card right now. In our data, it leads by 25.8% in average FPS across 50 tracked games in our benchmark data. PassMark G3D leans toward Radeon R9 M275X / M375 instead at 1,575 vs 1,569, 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?

Radeon Vega 8 is the safer long-term pick for 2026 and beyond. The case is simple: a 7nm process instead of 28nm and a newer 2021 generation instead of 2014. That makes it the less risky pick as game demands keep moving.

Which GPU is the better buy today?

Radeon Vega 8 makes the most sense to buy today. It is $150 cheaper on MSRP at $150 vs $300, and it leads G3D-per-dollar by 99.2% (10.5 vs 5.3), so the value case lines up with the gaming result.

Radeon R9 M275X / M375 vs Radeon Vega 8 Technical Specifications

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

Radeon R9 M275X / M375

The Radeon R9 M275X / M375 is manufactured by AMD. It was released in January 28 2014. It features the GCN 1.0 architecture. The core clock ranges from 900 MHz to 925 MHz. It has 640 shading units. The thermal design power (TDP) is 75W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,575 points.

Radeon Vega 8

The Radeon Vega 8 is manufactured by AMD. It was released in April 13 2021. It features the GCN 5.1 architecture. The core clock ranges from 300 MHz to 1900 MHz. It has 448 shading units. The thermal design power (TDP) is 45W. Manufactured using 7 nm process technology. G3D Mark benchmark score: 1,569 points.

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Graphics Performance

The Radeon R9 M275X / M375 scores 1,575 and the Radeon Vega 8 reaches 1,569 in the G3D Mark benchmark — just a 0.4% difference, making them near-identical in rasterization performance. The Radeon R9 M275X / M375 is built on GCN 1.0 while the Radeon Vega 8 uses GCN 5.1, both on 28 nm vs 7 nm. Shader units: 640 (Radeon R9 M275X / M375) vs 448 (Radeon Vega 8). Raw compute: 1.184 TFLOPS (Radeon R9 M275X / M375) vs 1.702 TFLOPS (Radeon Vega 8). Boost clocks: 925 MHz vs 1900 MHz.

Feature	Radeon R9 M275X / M375	Radeon Vega 8
G3D Mark Score	1,575	1,569
Architecture	GCN 1.0	GCN 5.1
Process Node	28 nm	7 nm
Shading Units	640+43%	448
Compute (TFLOPS)	1.184 TFLOPS	1.702 TFLOPS+44%
Boost Clock	925 MHz	1900 MHz+105%
ROPs	16+100%	8
TMUs	40+43%	28
Frame Generation	FSR upscaling	FSR upscaling

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Advanced Features (DLSS/FSR)

Feature	Radeon R9 M275X / M375	Radeon Vega 8
Upscaling Tech	FSR Upscaling / FSR 4	FSR Upscaling / FSR 4
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	AMD Anti-Lag	AMD Anti-Lag

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Video Memory (VRAM)

The Radeon R9 M275X / M375 has 4 GB of VRAM, while the Radeon Vega 8 carries 0 MB. Radeon R9 M275X / M375 gives you 100+% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 128-bit on the Radeon R9 M275X / M375 and System on the Radeon Vega 8.

Feature	Radeon R9 M275X / M375	Radeon Vega 8
VRAM Capacity	4 GB	Shared System RAM
Memory Type	GDDR5	Shared
Memory Bandwidth	Unknown	System
Bus Width	128-bit	System

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Power & Dimensions

The Radeon R9 M275X / M375 draws 75W versus the Radeon Vega 8's 45W — a 50% difference. The Radeon Vega 8 is more power-efficient. Recommended PSU: 350W (Radeon R9 M275X / M375) vs 1W (Radeon Vega 8). Power connectors: Mobile vs Integrated.

Feature	Radeon R9 M275X / M375	Radeon Vega 8
TDP	75W	45W-40%
Recommended PSU	350W	1W-100%
Power Connector	Mobile	Integrated
Length	1mm	—
Slots	0	—
Perf/Watt	21.0	34.9+66%

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Value Analysis

At launch, the Radeon R9 M275X / M375 came in at $300, while the Radeon Vega 8 launched at $150. On MSRP, Radeon Vega 8 was 50% cheaper ($150 less). Performance per dollar on MSRP (G3D Mark / MSRP): 5.3 (Radeon R9 M275X / M375) vs 10.5 (Radeon Vega 8) — the Radeon Vega 8 offers 98.1% better value. The newer card here is Radeon Vega 8 (2021 vs 2014).

Feature	Radeon R9 M275X / M375	Radeon Vega 8
MSRP	$300	$150-50%
Performance per Dollar	5.3	10.5+98%
Codename	Venus	Cezanne
Release	January 28 2014	April 13 2021
Ranking	#746	#601

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