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.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, raw graphics performance, VRAM, feature set, power efficiency, pricing context, and long-term value so you can see which GPU actually makes more sense.

Radeon Pro 580

2017

Why buy it

✅31.4% more average FPS across 50 tracked games in our benchmark data.

Trade-offs

❌No equivalent frame-generation stack like FSR Frame Generation + AFMF (2023).
❌Poor future-proofing: 2017-era hardware with 4 GB of VRAM is already a legacy-tier option for modern games.
❌
214.5% HIGHER MSRP
$500 MSRPvs$159 MSRP
❌Lower G3D Mark per dollar, at 15.5 vs 48.6 G3D/$ ($500 MSRP vs $159 MSRP).
❌183% higher power demand at 150W vs 53W.

Radeon RX 6400

2022

Why buy it

✅Costs $341 less on MSRP ($159 MSRP vs $500 MSRP).
✅Delivers 213.5% more G3D Mark for each dollar spent, at 48.6 vs 15.5 G3D/$ ($159 MSRP vs $500 MSRP).
✅Access to a newer frame-generation stack with FSR Frame Generation + AFMF (2023).
✅More future proof: RDNA 2.0 (2020−2025) on 6nm with a newer platform for upcoming games.
✅Draws 53W instead of 150W, a 97W reduction.

Trade-offs

❌Lower average FPS than Radeon Pro 580 across 50 tracked games in our benchmark data.

Radeon Pro 580

2017

Radeon RX 6400

2022

Why buy it

✅31.4% more average FPS across 50 tracked games in our benchmark data.

Why buy it

✅Costs $341 less on MSRP ($159 MSRP vs $500 MSRP).
✅Delivers 213.5% more G3D Mark for each dollar spent, at 48.6 vs 15.5 G3D/$ ($159 MSRP vs $500 MSRP).
✅Access to a newer frame-generation stack with FSR Frame Generation + AFMF (2023).
✅More future proof: RDNA 2.0 (2020−2025) on 6nm with a newer platform for upcoming games.
✅Draws 53W instead of 150W, a 97W reduction.

Trade-offs

❌No equivalent frame-generation stack like FSR Frame Generation + AFMF (2023).
❌Poor future-proofing: 2017-era hardware with 4 GB of VRAM is already a legacy-tier option for modern games.
❌
214.5% HIGHER MSRP
$500 MSRPvs$159 MSRP
❌Lower G3D Mark per dollar, at 15.5 vs 48.6 G3D/$ ($500 MSRP vs $159 MSRP).
❌183% higher power demand at 150W vs 53W.

Trade-offs

❌Lower average FPS than Radeon Pro 580 across 50 tracked games in our benchmark data.

Quick Answers

So, is Radeon Pro 580 better than Radeon RX 6400?

Yes. Radeon Pro 580 is clearly the better overall GPU here. Radeon Pro 580 averages 31.4% more FPS across 50 tracked games in our benchmark data. You are also looking at 7,753 vs 7,728 in G3D Mark. On top of that, Radeon Pro 580 is a 2017 card with FSR upscaling, while Radeon RX 6400 is a 2022 model from an older generation with FSR 3 + AFMF. So this is not really a tight same-tier comparison. It is more a modern card against an older, weaker alternative.

Which one is more future-proof for 2026 and beyond?

Radeon RX 6400 is the more future-proof choice for 2026 and beyond. You are getting a newer 2022 generation instead of 2017, better frame-generation support with FSR Frame Generation + AFMF (2023) instead of FSR upscaling, and a 6nm process instead of 14nm. That broader feature stack should age better as more games lean on modern upscaling and frame-generation support.

Which one is the smarter buy today, not just the cheaper card?

Radeon Pro 580 is the smarter buy by a wide margin. Radeon Pro 580 is about 214.5% more expensive on MSRP at $500 MSRP versus $159 MSRP, and you are getting 31.4% more estimated average FPS across 50 tracked games in our benchmark data and 0.3% higher G3D Mark. Radeon RX 6400 really only makes sense now as a very cheap stopgap or a used-market placeholder.

When does Radeon RX 6400 make more sense than Radeon Pro 580?

Yes. Radeon RX 6400 is still an excellent gaming GPU in 2026: it is still comfortable for 1080p and decent for 1440p, though 4K is more situational. It makes more sense if your priority is newer architecture, lower power draw (53W vs 150W), future-proofing, and staying closer to $159 MSRP more than squeezing out the extra headroom of Radeon Pro 580. The trade-off is that Radeon Pro 580 currently gives you 0.3% higher G3D Mark and 31.4% more estimated average FPS across 50 tracked games in our benchmark data. Radeon RX 6400 still holds the G3D-per-dollar lead, so the performance win comes with a real value premium.

Games Benchmarks

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 9800X3D 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 580 Benchmark Check

Radeon RX 6400 Benchmark Check

Path of Exile 2

Preset	Radeon Pro 580	Radeon RX 6400
1080p
low	81 FPS	104 FPS
medium	69 FPS	92 FPS
high	58 FPS	79 FPS
ultra	38 FPS	66 FPS
1440p
low	71 FPS	94 FPS
medium	62 FPS	80 FPS
high	46 FPS	67 FPS
ultra	29 FPS	56 FPS
4K
low	25 FPS	45 FPS
medium	24 FPS	42 FPS
high	16 FPS	31 FPS
ultra	14 FPS	28 FPS

Open Radeon Pro 580 Open Radeon RX 6400

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Radeon Pro 580	Radeon RX 6400
1080p
low	184 FPS	158 FPS
medium	159 FPS	124 FPS
high	127 FPS	92 FPS
ultra	101 FPS	60 FPS
1440p
low	132 FPS	104 FPS
medium	109 FPS	81 FPS
high	89 FPS	60 FPS
ultra	69 FPS	42 FPS
4K
low	71 FPS	53 FPS
medium	61 FPS	41 FPS
high	50 FPS	33 FPS
ultra	37 FPS	20 FPS

Open Radeon Pro 580 Open Radeon RX 6400

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Radeon Pro 580	Radeon RX 6400
1080p
low	349 FPS	329 FPS
medium	279 FPS	278 FPS
high	233 FPS	210 FPS
ultra	174 FPS	172 FPS
1440p
low	262 FPS	232 FPS
medium	209 FPS	208 FPS
high	174 FPS	156 FPS
ultra	131 FPS	121 FPS
4K
low	174 FPS	134 FPS
medium	140 FPS	121 FPS
high	116 FPS	82 FPS
ultra	87 FPS	54 FPS

Open Radeon Pro 580 Open Radeon RX 6400

League of Legends

League of Legends

Valorant

Preset	Radeon Pro 580	Radeon RX 6400
1080p
low	162 FPS	251 FPS
medium	134 FPS	186 FPS
high	116 FPS	165 FPS
ultra	99 FPS	138 FPS
1440p
low	119 FPS	192 FPS
medium	100 FPS	139 FPS
high	87 FPS	126 FPS
ultra	73 FPS	101 FPS
4K
low	67 FPS	101 FPS
medium	54 FPS	74 FPS
high	42 FPS	65 FPS
ultra	33 FPS	50 FPS

Open Radeon Pro 580 Open Radeon RX 6400

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Radeon Pro 580 and Radeon RX 6400

Radeon Pro 580

The Radeon Pro 580 is manufactured by AMD. It was released in June 5 2017. It features the GCN 4.0 architecture. The core clock ranges from 1100 MHz to 1200 MHz. It has 2304 shading units. The thermal design power (TDP) is 150W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 7,753 points.

Radeon RX 6400

The Radeon RX 6400 is manufactured by AMD. It was released in January 19 2022. It features the RDNA 2.0 architecture. The core clock ranges from 1923 MHz to 2321 MHz. It has 768 shading units. The thermal design power (TDP) is 53W. Manufactured using 6 nm process technology. It features 12 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 7,728 points. Launch price was $159.

⚡

Graphics Performance

The Radeon Pro 580 scores 7,753 and the Radeon RX 6400 reaches 7,728 in the G3D Mark benchmark — just a 0.3% difference, making them near-identical in rasterization performance. The Radeon Pro 580 is built on GCN 4.0 while the Radeon RX 6400 uses RDNA 2.0, both on 14 nm vs 6 nm. Shader units: 2,304 (Radeon Pro 580) vs 768 (Radeon RX 6400). Raw compute: 5.53 TFLOPS (Radeon Pro 580) vs 3.565 TFLOPS (Radeon RX 6400). Boost clocks: 1200 MHz vs 2321 MHz.

Feature	Radeon Pro 580	Radeon RX 6400
G3D Mark Score	7,753	7,728
Architecture	GCN 4.0	RDNA 2.0
Process Node	14 nm	6 nm
Shading Units	2304+200%	768
Compute (TFLOPS)	5.53 TFLOPS+55%	3.565 TFLOPS
Boost Clock	1200 MHz	2321 MHz+93%
ROPs	32	32
TMUs	144+200%	48
L1 Cache	576 KB+125%	256 KB
L2 Cache	2 MB+100%	1 MB
Frame Generation	FSR upscaling	FSR 3 + AFMF

✨

Advanced Features (DLSS/FSR)

A critical advantage for the Radeon RX 6400 is support for FSR Frame Generation + AFMF. This allows it to generate entire frames using AI/Algorithms, essentially doubling the frame rate in CPU-bound scenarios or heavy ray-tracing titles. The Radeon Pro 580 lacks specific hardware/driver support for this native frame generation tier.

Feature	Radeon Pro 580	Radeon RX 6400
Upscaling Tech	FSR Upscaling / FSR 4	FSR 3
Frame Generation	Not Supported	FSR Frame Generation + AFMF
Ray Reconstruction	No	No
Low Latency	AMD Anti-Lag	AMD Anti-Lag

💾

Video Memory (VRAM)

Both cards feature 4 GB of GDDR6. Bus width: 128-bit vs 64-bit. L2 Cache: 2 MB (Radeon Pro 580) vs 1 MB (Radeon RX 6400) — the Radeon Pro 580 has significantly larger on-die cache to reduce VRAM reliance.

Feature	Radeon Pro 580	Radeon RX 6400
VRAM Capacity	4 GB	4 GB
Memory Type	GDDR6	GDDR6
Bus Width	128-bit+100%	64-bit
L2 Cache	2 MB+100%	1 MB

🖥️

Display & API Support

DirectX support: 12.0 (Radeon Pro 580) vs 12.2 (Radeon RX 6400). Vulkan: 1.3 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 2.

Feature	Radeon Pro 580	Radeon RX 6400
DirectX	12.0	12.2+2%
Vulkan	1.3	1.3
OpenGL	4.6	4.6
Max Displays	4+100%	2

🎬

Media & Encoding

Hardware encoder: VCE 3.4 (Radeon Pro 580) vs None (Radeon RX 6400). Decoder: UVD 6.3 vs VCN 3.0 (Limited). Supported codecs: MPEG-2,H.264,HEVC (Radeon Pro 580) vs MPEG-2,H.264 (Decode),HEVC (Decode) (Radeon RX 6400).

Feature	Radeon Pro 580	Radeon RX 6400
Encoder	VCE 3.4	None
Decoder	UVD 6.3	VCN 3.0 (Limited)
Codecs	MPEG-2,H.264,HEVC	MPEG-2,H.264 (Decode),HEVC (Decode)

🔌

Power & Dimensions

The Radeon Pro 580 draws 150W versus the Radeon RX 6400's 53W — a 95.6% difference. The Radeon RX 6400 is more power-efficient. Recommended PSU: 350W (Radeon Pro 580) vs 350W (Radeon RX 6400). Power connectors: PCIe-powered vs None. Card length: 0mm vs 172mm, occupying 0 vs 1 slots. Typical load temperature: 85°C vs 75°C.

Feature	Radeon Pro 580	Radeon RX 6400
TDP	150W	53W-65%
Recommended PSU	350W	350W
Power Connector	PCIe-powered	None
Length	0mm	172mm
Height	0mm	112mm
Slots	0-100%	1
Temp (Load)	85°C	75°C-12%
Perf/Watt	51.7	145.8+182%

💰

Value Analysis

The Radeon Pro 580 launched at $500 MSRP, while the Radeon RX 6400 launched at $159. The Radeon RX 6400 costs 68.2% less ($341 savings) on MSRP. Performance per dollar on MSRP (G3D Mark / MSRP): 15.5 (Radeon Pro 580) vs 48.6 (Radeon RX 6400) — the Radeon RX 6400 offers 213.5% better value. The Radeon RX 6400 is the newer GPU (2022 vs 2017).