Radeon Steam Deck 8CU vs Radeon Pro 455

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

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 2016). 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 Radeon Pro 455 lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.

🚀 Performance Leadership

The Radeon Pro 455 is the superior choice for raw performance. It leads with a 3.8% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon Steam Deck 8CU.

Insight	Radeon Steam Deck 8CU	Radeon Pro 455
Performance	❌Lower raw frame rates (-3.8%)	✅Leading raw performance (+3.8%)
Longevity	RDNA 2 (2022−2023) (6nm)	🛑Obsolete Architecture (2016 / GCN 4.0 (2016−2020))
Ecosystem	Supports FSR Upscaling	Supports FSR Upscaling
VRAM	❌ Less VRAM capacity	✅ More VRAM (+0%)
Efficiency	Normal Efficiency	Normal Efficiency
Case Fit	📏 Compact / SFF Friendly	📏 Compact / SFF Friendly

💎 Value Proposition

While current pricing data is unavailable, the Radeon Pro 455 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

Radeon Pro 455 Benchmark Check

Technical Specifications

Side-by-side comparison of Radeon Steam Deck 8CU and Radeon Pro 455

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.

Radeon Pro 455

The Radeon Pro 455 is manufactured by AMD. It was released in October 30 2016. It features the GCN 4.0 architecture. The core clock speed is 855 MHz. It has 768 shading units. The thermal design power (TDP) is 35W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 3,113 points.

⚡

Graphics Performance

The Radeon Steam Deck 8CU scores 3,000 and the Radeon Pro 455 reaches 3,113 in the G3D Mark benchmark — just a 3.8% difference, making them near-identical in rasterization performance. The Radeon Steam Deck 8CU is built on RDNA 2 while the Radeon Pro 455 uses GCN 4.0, both on 6 nm vs 14 nm. Shader units: 512 (Radeon Steam Deck 8CU) vs 768 (Radeon Pro 455).

Feature	Radeon Steam Deck 8CU	Radeon Pro 455
G3D Mark Score	3,000	3,113+4%
Architecture	RDNA 2	GCN 4.0
Process Node	6 nm	14 nm
Shading Units	512	768+50%
L1 Cache	512 KB+167%	192 KB
L2 Cache	1 MB	1 MB

✨

Advanced Features (DLSS/FSR)

Feature	Radeon Steam Deck 8CU	Radeon Pro 455
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

💾

Video Memory (VRAM)

Both cards feature 2 GB of GDDR5. Bus width: 64-bit vs 64-bit.

Feature	Radeon Steam Deck 8CU	Radeon Pro 455
VRAM Capacity	2 GB	2 GB
Memory Type	GDDR5	GDDR5
Bus Width	64-bit	64-bit
L2 Cache	1 MB	1 MB

🖥️

Display & API Support

DirectX support: 12_0 (Radeon Steam Deck 8CU) vs 12_0 (Radeon Pro 455). Maximum simultaneous displays: 0 vs 0.

Feature	Radeon Steam Deck 8CU	Radeon Pro 455
DirectX	12_0	12_0
Max Displays	0	0

🎬

Media & Encoding

Hardware encoder: VCN 3.0 (Radeon Steam Deck 8CU) vs VCE 3.4 (Radeon Pro 455). Decoder: VCN 3.0 vs UVD 6.3.

Feature	Radeon Steam Deck 8CU	Radeon Pro 455
Encoder	VCN 3.0	VCE 3.4
Decoder	VCN 3.0	UVD 6.3

🔌

Power & Dimensions

The Radeon Steam Deck 8CU draws 30W versus the Radeon Pro 455's 35W — a 15.4% difference. The Radeon Steam Deck 8CU is more power-efficient. Recommended PSU: 350W (Radeon Steam Deck 8CU) vs 350W (Radeon Pro 455). Power connectors: PCIe-powered vs PCIe-powered. Card length: 1mm vs 1mm, occupying 0 vs 0 slots.

Feature	Radeon Steam Deck 8CU	Radeon Pro 455
TDP	30W-14%	35W
Recommended PSU	350W	350W
Power Connector	PCIe-powered	PCIe-powered
Length	1mm	1mm
Slots	0	0
Perf/Watt	100.0+12%	88.9

💰

Value Analysis

The Radeon Steam Deck 8CU launched at $0 MSRP and currently averages $0, while the Radeon Pro 455 launched at $0 and now averages $40. The Radeon Steam Deck 8CU costs 100+% less ($40 savings) at current market prices. Performance per dollar (G3D Mark / price): Infinity (Radeon Steam Deck 8CU) vs 77.8 (Radeon Pro 455) — the Radeon Steam Deck 8CU offers Infinity% better value. The Radeon Steam Deck 8CU is the newer GPU (2023 vs 2016).