Radeon Pro V340 MxGPU vs Radeon Steam Deck 8CU

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. The Radeon Pro V340 MxGPU is positioned at rank #5 in our cost-efficiency ranking, representing a Excellent cost-benefit for your build. 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 Radeon Pro V340 MxGPU

#1

Tesla K20m

MSRP: $3199|Avg: $55

155%

#5

Radeon Pro V340 MxGPU

MSRP: N/A|Avg: N/A

100%

Based on actual market prices and performance benchmarks.

Performance Per Dollar

Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

🚀 Performance Leadership

The Radeon Steam Deck 8CU is the superior choice for raw performance. It leads with a 5.2% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon Pro V340 MxGPU.

Insight	Radeon Pro V340 MxGPU	Radeon Steam Deck 8CU
Performance	❌Lower raw frame rates (-5.2%)	✅Leading raw performance (+5.2%)
Longevity	🛑Obsolete Architecture (2018 / GCN 5.0 (2017−2020))	RDNA 2 (2022−2023) (6nm)
Ecosystem	Supports FSR Upscaling	Supports FSR Upscaling
VRAM	❌ Less VRAM capacity	✅ More VRAM (+0%)
Efficiency	⚡ Higher Power Consumption	💡 Excellent Perf/Watt
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 Pro V340 MxGPU Benchmark Check

Radeon Steam Deck 8CU Benchmark Check

Technical Specifications

Side-by-side comparison of Radeon Pro V340 MxGPU and Radeon Steam Deck 8CU

Radeon Pro V340 MxGPU

The Radeon Pro V340 MxGPU is manufactured by AMD. It was released in August 26 2018. It features the GCN 5.0 architecture. The core clock ranges from 1000 MHz to 1500 MHz. It has 3584 ×2 shading units. The thermal design power (TDP) is 300W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 2,853 points.

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.

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Graphics Performance

In G3D Mark, the Radeon Pro V340 MxGPU scores 2,853 versus the Radeon Steam Deck 8CU's 3,000 — the Radeon Steam Deck 8CU leads by 5.2%. The Radeon Pro V340 MxGPU is built on GCN 5.0 while the Radeon Steam Deck 8CU uses RDNA 2, both on 14 nm vs 6 nm. Shader units: 3,584 (Radeon Pro V340 MxGPU) vs 512 (Radeon Steam Deck 8CU). Boost clocks: 1500 MHz vs 1900 MHz.

Feature	Radeon Pro V340 MxGPU	Radeon Steam Deck 8CU
G3D Mark Score	2,853	3,000+5%
Architecture	GCN 5.0	RDNA 2
Process Node	14 nm	6 nm
Shading Units	3584 ×2+600%	512
Boost Clock	1500 MHz	1900 MHz+27%
L1 Cache	896 KB+75%	512 KB
L2 Cache	4 MB+300%	1 MB

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Advanced Features (DLSS/FSR)

Feature	Radeon Pro V340 MxGPU	Radeon Steam Deck 8CU
Upscaling Tech	FSR 1.0 (Software)	FSR 1.0 (Software)
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)

Both cards feature 2 GB of GDDR5. Bus width: 64-bit vs 64-bit. L2 Cache: 4 MB (Radeon Pro V340 MxGPU) vs 1 MB (Radeon Steam Deck 8CU) — the Radeon Pro V340 MxGPU has significantly larger on-die cache to reduce VRAM reliance.

Feature	Radeon Pro V340 MxGPU	Radeon Steam Deck 8CU
VRAM Capacity	2 GB	2 GB
Memory Type	GDDR5	GDDR5
Bus Width	64-bit	64-bit
L2 Cache	4 MB+300%	1 MB

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Power & Dimensions

The Radeon Pro V340 MxGPU draws 300W versus the Radeon Steam Deck 8CU's 30W — a 163.6% difference. The Radeon Steam Deck 8CU is more power-efficient. Recommended PSU: 350W (Radeon Pro V340 MxGPU) vs 350W (Radeon Steam Deck 8CU). Power connectors: PCIe-powered vs PCIe-powered.