Radeon R7 340 vs Radeon R7 M270DX

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 R7 340 vs Radeon R7 M270DX 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 R7 340 vs Radeon R7 M270DX: 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 R7 340

2015

Why buy it

✅84.0% more average FPS across 14 tracked games in our benchmark data.
✅Costs $1 less on MSRP ($99 MSRP vs $100 MSRP).
✅More future proof: GCN 1.0 (2012−2020) on 28nm with a newer platform for upcoming games.

Trade-offs

❌2015 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌33.3% higher power demand at 100W vs 75W.

Radeon R7 M270DX

2014

Why buy it

✅Draws 75W instead of 100W, a 25W reduction.

Trade-offs

❌Lower average FPS than Radeon R7 340 across 14 tracked games in our benchmark data.
❌2014 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌
1% HIGHER MSRP
$100 MSRPvs$99 MSRP

Quick Answers

Which GPU is faster for gaming right now?

Radeon R7 340 is the faster gaming card right now. In our data, it leads by 84.0% in average FPS across 14 tracked games in our benchmark data. PassMark G3D leans toward Radeon R7 M270DX instead at 962 vs 960, 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 R7 340 is the safer long-term pick for 2026 and beyond. The case is simple: a newer 2015 generation instead of 2014. That makes it the less risky pick as game demands keep moving.

Which GPU is the better buy today?

Radeon R7 340 makes the most sense to buy today. It is $1 cheaper on MSRP at $99 vs $100, and it leads G3D-per-dollar by 0.8% (9.7 vs 9.6), so the value case lines up with the gaming result.

Radeon R7 340 vs Radeon R7 M270DX Technical Specifications

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

Radeon R7 340

The Radeon R7 340 is manufactured by AMD. It was released in June 18 2015. It features the GCN 1.0 architecture. The boost clock speed is 975 MHz. It has 1024 shading units. The thermal design power (TDP) is 100W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 960 points. Launch price was $149.

Radeon R7 M270DX

The Radeon R7 M270DX is manufactured by AMD. It was released in June 11 2014. It features the GCN 3.0 architecture. The core clock ranges from 900 MHz to 940 MHz. It has 384 shading units. The thermal design power (TDP) is 75W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 962 points.

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Graphics Performance

The Radeon R7 340 scores 960 and the Radeon R7 M270DX reaches 962 in the G3D Mark benchmark — just a 0.2% difference, making them near-identical in rasterization performance. The Radeon R7 340 is built on GCN 1.0 while the Radeon R7 M270DX uses GCN 3.0, both on a 28 nm process. Shader units: 1,024 (Radeon R7 340) vs 384 (Radeon R7 M270DX). Raw compute: 1.997 TFLOPS (Radeon R7 340) vs 0.7219 TFLOPS (Radeon R7 M270DX). Boost clocks: 975 MHz vs 940 MHz.

Feature	Radeon R7 340	Radeon R7 M270DX
G3D Mark Score	960	962
Architecture	GCN 1.0	GCN 3.0
Process Node	28 nm	28 nm
Shading Units	1024+167%	384
Compute (TFLOPS)	1.997 TFLOPS+177%	0.7219 TFLOPS
Boost Clock	975 MHz+4%	940 MHz
ROPs	32+300%	8
TMUs	64+167%	24
L1 Cache	256 KB+167%	96 KB
L2 Cache	512 KB+100%	256 KB
Frame Generation	FSR upscaling	FSR upscaling

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Advanced Features (DLSS/FSR)

Feature	Radeon R7 340	Radeon R7 M270DX
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

💾

Video Memory (VRAM)

Both cards ship with 512 MB of GDDR5. Memory bus width is 128-bit on the Radeon R7 340 and 128-bit on the Radeon R7 M270DX. L2 Cache: 512 KB (Radeon R7 340) vs 256 KB (Radeon R7 M270DX) — the Radeon R7 340 has significantly larger on-die cache to reduce VRAM reliance.

Feature	Radeon R7 340	Radeon R7 M270DX
VRAM Capacity	0.5 GB	0.5 GB
Memory Type	GDDR5	GDDR5
Memory Bandwidth	Unknown	Unknown
Bus Width	128-bit	128-bit
L2 Cache	512 KB+100%	256 KB

🔌

Power & Dimensions

The Radeon R7 340 draws 100W versus the Radeon R7 M270DX's 75W — a 28.6% difference. The Radeon R7 M270DX is more power-efficient. Recommended PSU: 300W (Radeon R7 340) vs 350W (Radeon R7 M270DX). Power connectors: None vs Mobile.

Feature	Radeon R7 340	Radeon R7 M270DX
TDP	100W	75W-25%
Recommended PSU	300W-14%	350W
Power Connector	None	Mobile
Perf/Watt	9.6	12.8+33%

💰

Value Analysis

At launch, the Radeon R7 340 came in at $99, while the Radeon R7 M270DX launched at $100. On MSRP, Radeon R7 340 was 1% cheaper ($1 less). Performance per dollar on MSRP (G3D Mark / MSRP): 9.7 (Radeon R7 340) vs 9.6 (Radeon R7 M270DX) — the Radeon R7 340 offers 1% better value. The newer card here is Radeon R7 340 (2015 vs 2014).

Feature	Radeon R7 340	Radeon R7 M270DX
MSRP	$99-1%	$100
Performance per Dollar	9.7+1%	9.6
Codename	Trinidad	Topaz
Release	June 18 2015	June 11 2014
Ranking	#467	#897

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