Radeon Steam Deck 8CU vs GeForce GTX 675MX

Radeon Steam Deck 8CU

2023Boost: 1900 MHz

GeForce GTX 675MX

2012Core: 600 MHz

Performance Spectrum - GPU

Radeon Steam Deck 8CU

3,000

+1.7%

2,951

0.0%

GeForce RTX 3080 Mobile

RTX 4000 SFF Ada Generation

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 675MX

#65

Radeon RX 550X (móvel)

MSRP: $35|Avg: $35

221%

#67

GeForce GTX 1070 with Max-Q Design

MSRP: N/A|Avg: $150

200%

#68

GeForce GTX 1060 with Max-Q Design

MSRP: N/A|Avg: $100

200%

#72

GeForce GTX 1050 (Mobile)

MSRP: N/A|Avg: $50

181%

#73

Radeon RX 6300

MSRP: $60|Avg: $40

180%

#75

GeForce GTX 675MX

MSRP: N/A|Avg: N/A

100%

#78

Radeon HD 8970M

MSRP: N/A|Avg: $170

99%

#82

Arc 7-Core iGPU

MSRP: $199|Avg: N/A

96%

#87

Radeon RX 560 (móvel)

MSRP: $99|Avg: $50

92%

Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

⚠️ Generational Difference

The Radeon Steam Deck 8CU is significantly newer (2023 vs 2012). The Radeon Steam Deck 8CU likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The GeForce GTX 675MX lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.

🚀 Performance Leadership

The Radeon Steam Deck 8CU is the superior choice for raw performance. It leads with a 1.7% higher G3D Mark score. However, the GeForce GTX 675MX offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.

Insight	Radeon Steam Deck 8CU	GeForce GTX 675MX
Performance	✅Leading raw performance (+1.7%)	❌Lower raw frame rates (-1.7%)
Longevity	RDNA 2 (2022−2023) (6nm)	🛑Obsolete Architecture (2012 / Kepler (2012−2018))
Ecosystem	Supports FSR Upscaling	Supports FSR Upscaling
VRAM	❌ Less VRAM capacity	✅ More VRAM (+100%)
Efficiency	💡 Excellent Perf/Watt	⚡ Higher Power Consumption
Case Fit	📏 Compact / SFF Friendly	—

💎 Value Proposition

While current pricing data is unavailable, the Radeon Steam Deck 8CU 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 Steam Deck 8CU Benchmark Check

GeForce GTX 675MX Benchmark Check

Technical Specifications

Side-by-side comparison of Radeon Steam Deck 8CU and GeForce GTX 675MX

Radeon Steam Deck 8CU

The Radeon Steam Deck 8CU is manufactured by AMD. It was released in November 9 2023. It features the RDNA 2 architecture. The boost clock speed is 1900 MHz. It has 512 shading units. The thermal design power (TDP) is 30W. Manufactured using 6 nm process technology. G3D Mark benchmark score: 3,000 points.

GeForce GTX 675MX

The GeForce GTX 675MX is manufactured by NVIDIA. It was released in October 1 2012. It features the Kepler architecture. The core clock speed is 600 MHz. It has 960 shading units. The thermal design power (TDP) is 100W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 2,951 points.

⚡

Graphics Performance

The Radeon Steam Deck 8CU scores 3,000 and the GeForce GTX 675MX reaches 2,951 in the G3D Mark benchmark — just a 1.7% difference, making them near-identical in rasterization performance. The Radeon Steam Deck 8CU is built on RDNA 2 while the GeForce GTX 675MX uses Kepler, both on 6 nm vs 28 nm. Shader units: 512 (Radeon Steam Deck 8CU) vs 960 (GeForce GTX 675MX).

Feature	Radeon Steam Deck 8CU	GeForce GTX 675MX
G3D Mark Score	3,000+2%	2,951
Architecture	RDNA 2	Kepler
Process Node	6 nm	28 nm
Shading Units	512	960+88%
L1 Cache	512 KB+540%	80 KB
L2 Cache	1 MB+100%	0.5 MB

✨

Advanced Features (DLSS/FSR)

Feature	Radeon Steam Deck 8CU	GeForce GTX 675MX
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 Steam Deck 8CU comes with 2 GB of VRAM, while the GeForce GTX 675MX has 4 GB. The GeForce GTX 675MX offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 64-bit vs 128-bit. L2 Cache: 1 MB (Radeon Steam Deck 8CU) vs 0.5 MB (GeForce GTX 675MX) — the Radeon Steam Deck 8CU has significantly larger on-die cache to reduce VRAM reliance.

Feature	Radeon Steam Deck 8CU	GeForce GTX 675MX
VRAM Capacity	2 GB	4 GB+100%
Memory Type	GDDR5	GDDR5
Bus Width	64-bit	128-bit+100%
L2 Cache	1 MB+100%	0.5 MB

🖥️

Display & API Support

DirectX support: 12_0 (Radeon Steam Deck 8CU) vs 12 (11_0) (GeForce GTX 675MX). Maximum simultaneous displays: 0 vs 4.

Feature	Radeon Steam Deck 8CU	GeForce GTX 675MX
DirectX	12_0	12 (11_0)
Max Displays	0	4

🎬

Media & Encoding

Hardware encoder: VCN 3.0 (Radeon Steam Deck 8CU) vs NVENC 1st Gen (GeForce GTX 675MX). Decoder: VCN 3.0 vs PureVideo HD VP5.

Feature	Radeon Steam Deck 8CU	GeForce GTX 675MX
Encoder	VCN 3.0	NVENC 1st Gen
Decoder	VCN 3.0	PureVideo HD VP5
Codecs	—	H.264,VC-1,MPEG-2,MPEG-4 ASP

🔌

Power & Dimensions

The Radeon Steam Deck 8CU draws 30W versus the GeForce GTX 675MX's 100W — a 107.7% difference. The Radeon Steam Deck 8CU is more power-efficient. Recommended PSU: 350W (Radeon Steam Deck 8CU) vs 350W (GeForce GTX 675MX). Power connectors: PCIe-powered vs 1x 6-pin.