Radeon Pro 455 vs Radeon Pro 555X

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.

Radeon Pro 455 vs Radeon Pro 555X 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.

Radeon Pro 455 vs Radeon Pro 555X: Pros, Cons & Final Verdict

See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.

Radeon Pro 455

2016

Why buy it

✅0.7% more average FPS across 50 tracked games in our benchmark data.
✅Draws 35W instead of 75W, a 40W reduction.

Trade-offs

❌2016 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.

Radeon Pro 555X

2018

Why buy it

✅Radeon Pro 455 is already obsolete for modern gaming, so Radeon Pro 555X is the less risky modern option long term.
✅More future proof: GCN 4.0 (2016−2020) on 14nm with a newer platform for upcoming games.

Trade-offs

❌Lower average FPS than Radeon Pro 455 across 50 tracked games in our benchmark data.
❌2018 hardware with 2 GB of VRAM already sits in legacy territory for modern games.
❌114.3% higher power demand at 75W vs 35W.

Quick Answers

Which GPU is faster for gaming right now?

Radeon Pro 455 is the faster gaming card right now. In our data, it leads by 0.7% in average FPS across 50 tracked games in our benchmark data and by 3.8% in PassMark G3D (3,113 vs 3,000), so the answer here is pretty clean.

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

Radeon Pro 555X is the safer long-term pick for 2026 and beyond. The case is simple: a newer 2018 generation instead of 2016. That makes it the less risky pick as game demands keep moving.

Which GPU is the better buy today?

Radeon Pro 455 makes the most sense today based on the pricing and value data we have for this matchup. If you are mainly targeting 1080p and some 1440p, Radeon Pro 455 is the easier value choice. If you care more about 1080p and some 1440p headroom, Radeon Pro 555X has the stronger long-term case.

Radeon Pro 455 vs Radeon Pro 555X Technical Specifications

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

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.

Radeon Pro 555X

The Radeon Pro 555X is manufactured by AMD. It was released in July 16 2018. It features the GCN 4.0 architecture. The core clock speed is 907 MHz. It has 768 shading units. The thermal design power (TDP) is 75W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 3,000 points.

⚡

Graphics Performance

The Radeon Pro 455 scores 3,113 and the Radeon Pro 555X reaches 3,000 in the G3D Mark benchmark — just a 3.8% difference, making them near-identical in rasterization performance. The Radeon Pro 455 is built on GCN 4.0 while the Radeon Pro 555X uses GCN 4.0, both on a 14 nm process. Shader units: 768 (Radeon Pro 455) vs 768 (Radeon Pro 555X). Raw compute: 1.313 TFLOPS (Radeon Pro 455) vs 1.393 TFLOPS (Radeon Pro 555X).

Feature	Radeon Pro 455	Radeon Pro 555X
G3D Mark Score	3,113+4%	3,000
Architecture	GCN 4.0	GCN 4.0
Process Node	14 nm	14 nm
Shading Units	768	768
Compute (TFLOPS)	1.313 TFLOPS	1.393 TFLOPS+6%
ROPs	16	16
TMUs	48	48
L1 Cache	192 KB	192 KB
L2 Cache	1 MB	1 MB
Frame Generation	FSR upscaling	FSR upscaling

✨

Advanced Features (DLSS/FSR)

Feature	Radeon Pro 455	Radeon Pro 555X
Upscaling Tech	FSR Upscaling / FSR 4	FSR Upscaling / FSR 4
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	AMD Anti-Lag	AMD Anti-Lag

💾

Video Memory (VRAM)

Both cards ship with 2 GB of GDDR5. Memory bus width is 64-bit on the Radeon Pro 455 and 64-bit on the Radeon Pro 555X.

Feature	Radeon Pro 455	Radeon Pro 555X
VRAM Capacity	2 GB	2 GB
Memory Type	GDDR5	GDDR5
Bus Width	64-bit	64-bit
L2 Cache	1 MB	1 MB

🔌

Power & Dimensions

The Radeon Pro 455 draws 35W versus the Radeon Pro 555X's 75W — a 72.7% difference. The Radeon Pro 455 is more power-efficient. Recommended PSU: 350W (Radeon Pro 455) vs 350W (Radeon Pro 555X). Power connectors: PCIe-powered vs PCIe-powered.

Feature	Radeon Pro 455	Radeon Pro 555X
TDP	35W-53%	75W
Recommended PSU	350W	350W
Power Connector	PCIe-powered	PCIe-powered
Length	1mm	—
Slots	0	—
Perf/Watt	88.9+122%	40.0

💰

Value Analysis

At launch, the Radeon Pro 455 came in at $0, while the Radeon Pro 555X launched at $0. Performance per dollar on MSRP (G3D Mark / MSRP): Infinity (Radeon Pro 455) vs Infinity (Radeon Pro 555X) — the Radeon Pro 555X offers NaN% better value. The newer card here is Radeon Pro 555X (2018 vs 2016).

Feature	Radeon Pro 455	Radeon Pro 555X
MSRP	$0	$0
Performance per Dollar	Infinity	Infinity
Codename	Baffin	Polaris 21
Release	October 30 2016	July 16 2018
Ranking	#577	#564

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