Radeon Pro 555X vs Radeon Pro V340 MxGPU

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 555X vs Radeon Pro V340 MxGPU 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 555X vs Radeon Pro V340 MxGPU: 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 555X

2018

Why buy it

✅Radeon Pro V340 MxGPU is already legacy-tier future-proofing, so Radeon Pro 555X is the less risky modern option long term.
✅Draws 75W instead of 300W, a 225W reduction.

Trade-offs

❌Lower average FPS than Radeon Pro V340 MxGPU across 45 tracked games in our benchmark data.
❌2018 hardware with 2 GB of VRAM already sits in legacy territory for modern games.

Radeon Pro V340 MxGPU

2018

Why buy it

✅77.1% more average FPS across 45 tracked games in our benchmark data.

Trade-offs

❌2018 hardware with 2 GB of VRAM already sits in legacy territory for modern games.
❌300% higher power demand at 300W vs 75W.

Quick Answers

Which GPU is faster for gaming right now?

Radeon Pro V340 MxGPU is the faster gaming card right now. In our data, it leads by 77.1% in average FPS across 45 tracked games in our benchmark data. PassMark G3D leans toward Radeon Pro 555X instead at 3,000 vs 2,853, so for this question the real-game FPS result matters more than the synthetic split.

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 because it comes out ahead on the available hardware-headroom signals for this matchup.

Which GPU is the better buy today?

Radeon Pro 555X makes the most sense today based on the pricing and value data we have for this matchup. Radeon Pro V340 MxGPU still makes more sense if max raw gaming performance matters more than value.

Radeon Pro 555X vs Radeon Pro V340 MxGPU Technical Specifications

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

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.

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.

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Graphics Performance

In G3D Mark, the Radeon Pro 555X scores 3,000 versus the Radeon Pro V340 MxGPU's 2,853 — the Radeon Pro 555X leads by 5.2%. The Radeon Pro 555X is built on GCN 4.0 while the Radeon Pro V340 MxGPU uses GCN 5.0, both on a 14 nm process. Shader units: 768 (Radeon Pro 555X) vs 3,584 (Radeon Pro V340 MxGPU). Raw compute: 1.393 TFLOPS (Radeon Pro 555X) vs 10.75 TFLOPS ×2 (Radeon Pro V340 MxGPU).

Feature	Radeon Pro 555X	Radeon Pro V340 MxGPU
G3D Mark Score	3,000+5%	2,853
Architecture	GCN 4.0	GCN 5.0
Process Node	14 nm	14 nm
Shading Units	768	3584 ×2+367%
Compute (TFLOPS)	1.393 TFLOPS	10.75 TFLOPS ×2+672%
ROPs	16	64 ×2+300%
TMUs	48	224 ×2+367%
L1 Cache	192 KB	896 KB+367%
L2 Cache	1 MB	4 MB+300%
Frame Generation	FSR upscaling	FSR upscaling

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Advanced Features (DLSS/FSR)

Feature	Radeon Pro 555X	Radeon Pro V340 MxGPU
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

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Video Memory (VRAM)

Both cards ship with 2 GB of GDDR5. Memory bus width is 64-bit on the Radeon Pro 555X and 64-bit on the Radeon Pro V340 MxGPU. L2 Cache: 1 MB (Radeon Pro 555X) vs 4 MB (Radeon Pro V340 MxGPU) — the Radeon Pro V340 MxGPU has significantly larger on-die cache to reduce VRAM reliance.

Feature	Radeon Pro 555X	Radeon Pro V340 MxGPU
VRAM Capacity	2 GB	2 GB
Memory Type	GDDR5	GDDR5
Bus Width	64-bit	64-bit
L2 Cache	1 MB	4 MB+300%

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Power & Dimensions

The Radeon Pro 555X draws 75W versus the Radeon Pro V340 MxGPU's 300W — a 120% difference. The Radeon Pro 555X is more power-efficient. Recommended PSU: 350W (Radeon Pro 555X) vs 350W (Radeon Pro V340 MxGPU). Power connectors: PCIe-powered vs PCIe-powered.