GeForce GTX 675M vs Radeon R6 M340DX

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 675M vs Radeon R6 M340DX 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 675M vs Radeon R6 M340DX: 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 675M

2012

Why buy it

✅161.6% more average FPS across 50 tracked games in our benchmark data.
✅300% more VRAM for high-resolution textures and newer games (2 GB vs 512 MB).

Trade-offs

❌2012 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌233.3% higher power demand at 100W vs 30W.

Radeon R6 M340DX

2015

Why buy it

✅Draws 30W instead of 100W, a 70W reduction.
✅More future proof: GCN 1.0 (2012−2020) on 28nm with a newer platform for upcoming games.

Trade-offs

❌Lower average FPS than GeForce GTX 675M across 50 tracked games in our benchmark data.
❌Less VRAM, with 512 MB vs 2 GB for high-resolution textures and newer games.
❌2015 hardware with 512 MB 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?

GeForce GTX 675M is the faster gaming card right now. In our data, it leads by 161.6% in average FPS across 50 tracked games in our benchmark data and by 3.1% in PassMark G3D (1,855 vs 1,800), so the answer here is pretty clean.

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

GeForce GTX 675M is the safer long-term pick for 2026 and beyond. The case is simple: 2 GB vs 512 MB of VRAM. That gives it more room for heavier textures and higher settings over time.

Which GPU is the better buy today?

GeForce GTX 675M makes the most sense today based on the pricing and value data we have for this matchup.

GeForce GTX 675M vs Radeon R6 M340DX Technical Specifications

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

GeForce GTX 675M

The GeForce GTX 675M is manufactured by NVIDIA. It was released in March 22 2012. It features the Fermi 2.0 architecture. The core clock speed is 620 MHz. It has 384 shading units. The thermal design power (TDP) is 100W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 1,855 points.

Radeon R6 M340DX

The Radeon R6 M340DX is manufactured by AMD. It was released in December 12 2015. It features the GCN 1.0 architecture. The core clock ranges from 955 MHz to 1030 MHz. It has 384 shading units. The thermal design power (TDP) is 30W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,800 points.

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Graphics Performance

The GeForce GTX 675M scores 1,855 and the Radeon R6 M340DX reaches 1,800 in the G3D Mark benchmark — just a 3.1% difference, making them near-identical in rasterization performance. The GeForce GTX 675M is built on Fermi 2.0 while the Radeon R6 M340DX uses GCN 1.0, both on 40 nm vs 28 nm. Shader units: 384 (GeForce GTX 675M) vs 384 (Radeon R6 M340DX). Raw compute: 0.9523 TFLOPS (GeForce GTX 675M) vs 0.791 TFLOPS (Radeon R6 M340DX).

Feature	GeForce GTX 675M	Radeon R6 M340DX
G3D Mark Score	1,855+3%	1,800
Architecture	Fermi 2.0	GCN 1.0
Process Node	40 nm	28 nm
Shading Units	384	384
Compute (TFLOPS)	0.9523 TFLOPS+20%	0.791 TFLOPS
ROPs	32+300%	8
TMUs	64+167%	24
L1 Cache	512 KB+433%	96 KB
L2 Cache	512 KB+100%	256 KB

✨

Advanced Features (DLSS/FSR)

The GeForce GTX 675M gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon R6 M340DX leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.

Feature	GeForce GTX 675M	Radeon R6 M340DX
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 675M has 2 GB of VRAM, while the Radeon R6 M340DX carries 512 MB. GeForce GTX 675M gives you 300% 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 675M and 64-bit on the Radeon R6 M340DX. L2 Cache: 512 KB (GeForce GTX 675M) vs 256 KB (Radeon R6 M340DX) — the GeForce GTX 675M has significantly larger on-die cache to reduce VRAM reliance.

Feature	GeForce GTX 675M	Radeon R6 M340DX
VRAM Capacity	2 GB+300%	0.5 GB
Memory Type	GDDR5	GDDR5
Bus Width	256-bit+300%	64-bit
L2 Cache	512 KB+100%	256 KB

🖥️

Display & API Support

DirectX support: 12 (11_0) (GeForce GTX 675M) vs 12_0 (Radeon R6 M340DX). Maximum simultaneous displays: 3 vs 0.

Feature	GeForce GTX 675M	Radeon R6 M340DX
DirectX	12 (11_0)	12_0
Max Displays	3	0

🎬

Media & Encoding

Hardware encoder: No NVENC (Fermi) (GeForce GTX 675M) vs VCE 2.0 (Radeon R6 M340DX). Decoder: PureVideo HD VP4 vs UVD 4.2.

Feature	GeForce GTX 675M	Radeon R6 M340DX
Encoder	No NVENC (Fermi)	VCE 2.0
Decoder	PureVideo HD VP4	UVD 4.2
Codecs	H.264,VC-1,MPEG-2	—

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Power & Dimensions

The GeForce GTX 675M draws 100W versus the Radeon R6 M340DX's 30W — a 107.7% difference. The Radeon R6 M340DX is more power-efficient. Recommended PSU: 350W (GeForce GTX 675M) vs 350W (Radeon R6 M340DX). Power connectors: 1x 6-pin vs PCIe-powered.

Feature	GeForce GTX 675M	Radeon R6 M340DX
TDP	100W	30W-70%
Recommended PSU	350W	350W
Power Connector	1x 6-pin	PCIe-powered
Length	—	1mm
Slots	0	0
Temp (Load)	82°C	—
Perf/Watt	18.6	60.0+223%

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Value Analysis

The newer card here is Radeon R6 M340DX (2015 vs 2012).

Feature	GeForce GTX 675M	Radeon R6 M340DX
MSRP	—	$0
Codename	GF114	Jet
Release	March 22 2012	December 12 2015
Ranking	#704	#852

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