Radeon R6 M340DX vs GeForce GTX 675M

Performance Spectrum - GPU

Radeon R6 M340DX

30

1,800

0.0%

Radeon R7 384 Cores (Kaveri Desktop)

Radeon R9 M270X

Radeon HD 4870

Radeon RX Vega11 Ryzen 7 3750H

Radeon RX 6300M

Radeon RX 7600M

Radeon RX 7700S

Radeon RX 9060 XT 16GB

GeForce GTX 675M

100

1,855

+3.1%

GeForce GTX 780 Rev. 2

GeForce GTX 980

GeForce GTX 1080

TITAN V

About G3D Mark

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.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (G3D Mark) per dollar. Components placed above yours deliver better value for money.

MSRP is the manufacturer's suggested retail price.•
Avg price is the current average price collected from markets across the web.

Performance Per Dollar

Based on actual market prices and performance benchmarks.

Performance Per Dollar GeForce GTX 675M

#119

Radeon RX 550X (móvel)

MSRP: $35|Avg: $35

293%

#121

GeForce GTX 1070 with Max-Q Design

MSRP: N/A|Avg: $150

265%

#122

GeForce GTX 1060 with Max-Q Design

MSRP: N/A|Avg: $100

265%

#126

GeForce GTX 1050 (Mobile)

MSRP: N/A|Avg: $50

241%

#127

Radeon RX 6300

MSRP: $60|Avg: $40

239%

#129

GeForce GTX 675M

MSRP: N/A|Avg: N/A

100%

#131

GeForce GT 335M

MSRP: N/A|Avg: $25

99%

#139

Iris Xe MAX Graphics

MSRP: $55|Avg: $40

97%

Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

🚀 Performance Leadership

The GeForce GTX 675M is the superior choice for raw performance. It leads with a 3.1% higher G3D Mark score and 300% more VRAM (2 GB vs 512 MB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon R6 M340DX.

Insight	Radeon R6 M340DX	GeForce GTX 675M
Performance	❌Lower raw frame rates (-3.1%)	✅Leading raw performance (+3.1%)
Longevity	🛑Obsolete Architecture (2015 / GCN 1.0 (2012−2020))	🛑Obsolete Architecture (2012 / Fermi 2.0 (2010−2014))
Ecosystem	Supports FSR Upscaling	Supports FSR Upscaling
VRAM	❌ Less VRAM capacity	✅ More VRAM (+300%)
Efficiency	💡 Excellent Perf/Watt	⚡ Higher Power Consumption
Case Fit	📏 Compact / SFF Friendly	—

💎 Value Proposition

While current pricing data is unavailable, the GeForce GTX 675M remains the clear technical winner. Check real-time availability to determine if the performance gap justifies the market price.

Performance Check

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 7800X3D 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.

Radeon R6 M340DX Benchmark Check

GeForce GTX 675M Benchmark Check

Technical Specifications

Side-by-side comparison of Radeon R6 M340DX and GeForce GTX 675M

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.

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.

⚡

Graphics Performance

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

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

✨

Advanced Features (DLSS/FSR)

Feature	Radeon R6 M340DX	GeForce GTX 675M
Upscaling Tech	FSR 1.0 (Software)	FSR 2.1 (Compatible)
Frame Generation	Not Supported	FSR 3 (Compatible)
Ray Reconstruction	No	No
Low Latency	AMD Anti-Lag	Standard

💾

Video Memory (VRAM)

The Radeon R6 M340DX comes with 512 MB of VRAM, while the GeForce GTX 675M has 2 GB. The GeForce GTX 675M offers 300% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 64-bit vs 256-bit. L2 Cache: 256 KB (Radeon R6 M340DX) vs 512 KB (GeForce GTX 675M) — the GeForce GTX 675M has significantly larger on-die cache to reduce VRAM reliance.

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

🖥️

Display & API Support

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

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

🎬

Media & Encoding

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

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

🔌

Power & Dimensions

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