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 580X

2019

Why buy it

✅55.1% more average FPS across 50 tracked games in our benchmark data.
✅100% more VRAM for high-resolution textures and newer games (8 GB vs 4 GB).

Trade-offs

❌No equivalent frame-generation stack like FSR Frame Generation + AFMF (2023).
❌Limited future-proofing: older hardware, 8 GB of VRAM, and weaker feature support mean it will age faster in upcoming AAA games.
❌
277.4% HIGHER MSRP
$600 MSRPvs$159 MSRP
❌Lower G3D Mark per dollar, at 12.6 vs 48.6 G3D/$ ($600 MSRP vs $159 MSRP).
❌183% higher power demand at 150W vs 53W.

Radeon RX 6400

2022

Why buy it

✅Costs $441 less on MSRP ($159 MSRP vs $600 MSRP).
✅Delivers 286.8% more G3D Mark for each dollar spent, at 48.6 vs 12.6 G3D/$ ($159 MSRP vs $600 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 580X across 50 tracked games in our benchmark data.
❌Less VRAM, with 4 GB vs 8 GB for high-resolution textures and newer games.

Radeon Pro 580X

2019

Radeon RX 6400

2022

Why buy it

✅55.1% more average FPS across 50 tracked games in our benchmark data.
✅100% more VRAM for high-resolution textures and newer games (8 GB vs 4 GB).

Why buy it

✅Costs $441 less on MSRP ($159 MSRP vs $600 MSRP).
✅Delivers 286.8% more G3D Mark for each dollar spent, at 48.6 vs 12.6 G3D/$ ($159 MSRP vs $600 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).
❌Limited future-proofing: older hardware, 8 GB of VRAM, and weaker feature support mean it will age faster in upcoming AAA games.
❌
277.4% HIGHER MSRP
$600 MSRPvs$159 MSRP
❌Lower G3D Mark per dollar, at 12.6 vs 48.6 G3D/$ ($600 MSRP vs $159 MSRP).
❌183% higher power demand at 150W vs 53W.

Trade-offs

❌Lower average FPS than Radeon Pro 580X across 50 tracked games in our benchmark data.
❌Less VRAM, with 4 GB vs 8 GB for high-resolution textures and newer games.

Quick Answers

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

Yes. Radeon RX 6400 is clearly the better overall GPU here. Radeon Pro 580X averages 55.1% more FPS across 50 tracked games in our benchmark data. You are also looking at 7,728 vs 7,540 in G3D Mark. On top of that, Radeon RX 6400 is a 2022 card with FSR 3 + AFMF, while Radeon Pro 580X is a 2019 model from an older generation with FSR upscaling. 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 2019, 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 RX 6400 is the smarter buy today, but it is not as lopsided as a simple winner label makes it sound. Radeon RX 6400 is about $441 cheaper on MSRP at $159 MSRP versus $600 MSRP, and you are getting lower estimated average FPS across 50 tracked games in our benchmark data and 2.5% higher G3D Mark. It also leads G3D-per-dollar by 286.8%. That is why the better overall card still comes out as the smarter buy today, not just the faster one.

Is Radeon Pro 580X still worth buying for gaming in 2026?

Yes. Radeon Pro 580X is still a strong modern gaming GPU: it is still comfortable for 1080p and decent for 1440p, though 4K is more situational. It remains a good buy when you can get it meaningfully cheaper than the alternative around $600 MSRP, even if Radeon RX 6400 is still the cleaner recommendation on overall value today.

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 580X Benchmark Check

Radeon RX 6400 Benchmark Check

Path of Exile 2

Preset	Radeon Pro 580X	Radeon RX 6400
1080p
low	104 FPS	104 FPS
medium	88 FPS	92 FPS
high	75 FPS	79 FPS
ultra	50 FPS	66 FPS
1440p
low	90 FPS	94 FPS
medium	75 FPS	80 FPS
high	57 FPS	67 FPS
ultra	37 FPS	56 FPS
4K
low	36 FPS	45 FPS
medium	32 FPS	42 FPS
high	21 FPS	31 FPS
ultra	17 FPS	28 FPS

Open Radeon Pro 580X Open Radeon RX 6400

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Radeon Pro 580X	Radeon RX 6400
1080p
low	186 FPS	158 FPS
medium	162 FPS	124 FPS
high	129 FPS	92 FPS
ultra	103 FPS	60 FPS
1440p
low	134 FPS	104 FPS
medium	111 FPS	81 FPS
high	91 FPS	60 FPS
ultra	71 FPS	42 FPS
4K
low	74 FPS	53 FPS
medium	64 FPS	41 FPS
high	53 FPS	33 FPS
ultra	39 FPS	20 FPS

Open Radeon Pro 580X Open Radeon RX 6400

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Radeon Pro 580X	Radeon RX 6400
1080p
low	339 FPS	329 FPS
medium	271 FPS	278 FPS
high	226 FPS	210 FPS
ultra	170 FPS	172 FPS
1440p
low	254 FPS	232 FPS
medium	204 FPS	208 FPS
high	170 FPS	156 FPS
ultra	127 FPS	121 FPS
4K
low	170 FPS	134 FPS
medium	136 FPS	121 FPS
high	113 FPS	82 FPS
ultra	85 FPS	54 FPS

Open Radeon Pro 580X Open Radeon RX 6400

League of Legends

League of Legends

Valorant

Preset	Radeon Pro 580X	Radeon RX 6400
1080p
low	240 FPS	251 FPS
medium	208 FPS	186 FPS
high	169 FPS	165 FPS
ultra	143 FPS	138 FPS
1440p
low	186 FPS	192 FPS
medium	163 FPS	139 FPS
high	128 FPS	126 FPS
ultra	105 FPS	101 FPS
4K
low	100 FPS	101 FPS
medium	81 FPS	74 FPS
high	63 FPS	65 FPS
ultra	50 FPS	50 FPS

Open Radeon Pro 580X Open Radeon RX 6400

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

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

Radeon Pro 580X

The Radeon Pro 580X is manufactured by AMD. It was released in March 18 2019. 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: 7,540 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 580X scores 7,540 and the Radeon RX 6400 reaches 7,728 in the G3D Mark benchmark — just a 2.5% difference, making them near-identical in rasterization performance. The Radeon Pro 580X 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 580X) vs 768 (Radeon RX 6400). Raw compute: 5.53 TFLOPS (Radeon Pro 580X) vs 3.565 TFLOPS (Radeon RX 6400). Boost clocks: 1200 MHz vs 2321 MHz.

Feature	Radeon Pro 580X	Radeon RX 6400
G3D Mark Score	7,540	7,728+2%
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 580X lacks specific hardware/driver support for this native frame generation tier.

Feature	Radeon Pro 580X	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)

The Radeon Pro 580X comes with 8 GB of VRAM, while the Radeon RX 6400 has 4 GB. The Radeon Pro 580X offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 64-bit. L2 Cache: 2 MB (Radeon Pro 580X) vs 1 MB (Radeon RX 6400) — the Radeon Pro 580X has significantly larger on-die cache to reduce VRAM reliance.

Feature	Radeon Pro 580X	Radeon RX 6400
VRAM Capacity	8 GB+100%	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 580X) 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 580X	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 580X) vs None (Radeon RX 6400). Decoder: UVD 6.3 vs VCN 3.0 (Limited). Supported codecs: MPEG-2,H.264,HEVC (Radeon Pro 580X) vs MPEG-2,H.264 (Decode),HEVC (Decode) (Radeon RX 6400).

Feature	Radeon Pro 580X	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 580X 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 580X) 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 580X	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	50.3	145.8+190%

💰

Value Analysis

The Radeon Pro 580X launched at $600 MSRP, while the Radeon RX 6400 launched at $159. The Radeon RX 6400 costs 73.5% less ($441 savings) on MSRP. Performance per dollar on MSRP (G3D Mark / MSRP): 12.6 (Radeon Pro 580X) vs 48.6 (Radeon RX 6400) — the Radeon RX 6400 offers 285.7% better value. The Radeon RX 6400 is the newer GPU (2022 vs 2019).