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 RX 580 2048SP vs Radeon RX 580X 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 RX 580 2048SP vs Radeon RX 580X: 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 RX 580 2048SP

2018

Why buy it

✅100% more VRAM for high-resolution textures and newer games (16 GB vs 8 GB).
✅Draws 150W instead of 185W, a 35W reduction.
✅More future proof: GCN 4.0 (2016−2020) on 14nm with a newer platform for upcoming games.

Trade-offs

❌Older hardware, 16 GB of VRAM, and weaker feature support mean it will age faster in newer AAA releases.

Radeon RX 580X

2018

Why buy it

✅Competitive enough if your priority is price, power, or specific feature preference.

Trade-offs

❌Less VRAM, with 8 GB vs 16 GB for high-resolution textures and newer games.
❌Older hardware, 8 GB of VRAM, and weaker feature support mean it will age faster in newer AAA releases.
❌23.3% higher power demand at 185W vs 150W.

Quick Answers

Which GPU is faster for gaming right now?

Radeon RX 580 2048SP is the faster gaming card right now based on the synthetic data we have. It leads by 1.8% in PassMark G3D (7,633 vs 7,495), which is the best performance signal available in this matchup.

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

Radeon RX 580 2048SP is the safer long-term pick for 2026 and beyond. The case is simple: 16 GB vs 8 GB of VRAM. That gives it more room for heavier textures and higher settings over time.

Which GPU is the better buy today?

Radeon RX 580 2048SP makes the most sense to buy today. It is priced the same on MSRP at $229 vs $229, and it leads G3D-per-dollar by 1.8% (33.3 vs 32.7), so the value case lines up with the gaming result.

Radeon RX 580 2048SP vs Radeon RX 580X Technical Specifications

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

Radeon RX 580 2048SP

The Radeon RX 580 2048SP is manufactured by AMD. It was released in October 15 2018. It features the GCN 4.0 architecture. The core clock ranges from 1168 MHz to 1284 MHz. It has 2048 shading units. The thermal design power (TDP) is 150W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 7,633 points.

Radeon RX 580X

The Radeon RX 580X is manufactured by AMD. It was released in April 11 2018. It features the GCN 4.0 architecture. The core clock ranges from 1257 MHz to 1340 MHz. It has 2304 shading units. The thermal design power (TDP) is 185W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 7,495 points.

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Graphics Performance

The Radeon RX 580 2048SP scores 7,633 and the Radeon RX 580X reaches 7,495 in the G3D Mark benchmark — just a 1.8% difference, making them near-identical in rasterization performance. The Radeon RX 580 2048SP is built on GCN 4.0 while the Radeon RX 580X uses GCN 4.0, both on a 14 nm process. Shader units: 2,048 (Radeon RX 580 2048SP) vs 2,304 (Radeon RX 580X). Raw compute: 5.259 TFLOPS (Radeon RX 580 2048SP) vs 6.175 TFLOPS (Radeon RX 580X). Boost clocks: 1284 MHz vs 1340 MHz.

Feature	Radeon RX 580 2048SP	Radeon RX 580X
G3D Mark Score	7,633+2%	7,495
Architecture	GCN 4.0	GCN 4.0
Process Node	14 nm	14 nm
Shading Units	2048	2304+13%
Compute (TFLOPS)	5.259 TFLOPS	6.175 TFLOPS+17%
Boost Clock	1284 MHz	1340 MHz+4%
ROPs	32	32
TMUs	128	144+13%
L1 Cache	512 KB	576 KB+13%
L2 Cache	2 MB	2 MB
Frame Generation	FSR upscaling + limited Frame Generation	FSR upscaling + limited Frame Generation

✨

Advanced Features (DLSS/FSR)

Both cards support Frame Generation in supported games, so this part of the feature set is broadly comparable.

Feature	Radeon RX 580 2048SP	Radeon RX 580X
Upscaling Tech	FSR Upscaling / FSR 4	FSR Upscaling / FSR 4
Frame Generation	FSR Frame Generation	FSR Frame Generation
Ray Reconstruction	No	No
Low Latency	AMD Anti-Lag	AMD Anti-Lag

💾

Video Memory (VRAM)

The Radeon RX 580 2048SP has 16 GB of VRAM, while the Radeon RX 580X carries 8 GB. Radeon RX 580 2048SP gives you 100% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bandwidth: 224 GB/s (Radeon RX 580 2048SP) vs 256 GB/s (Radeon RX 580X) — a 14.3% advantage for the Radeon RX 580X. Memory bus width is 256-bit on the Radeon RX 580 2048SP and 256-bit on the Radeon RX 580X.

Feature	Radeon RX 580 2048SP	Radeon RX 580X
VRAM Capacity	16 GB+100%	8 GB
Memory Type	GDDR5	GDDR5
Memory Bandwidth	224 GB/s	256 GB/s+14%
Bus Width	256-bit	256-bit
L2 Cache	2 MB	2 MB

🖥️

Display & API Support

DirectX support: 12 (Radeon RX 580 2048SP) vs 12 (FL 12_0) (Radeon RX 580X). Vulkan: 1.3 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 4.

Feature	Radeon RX 580 2048SP	Radeon RX 580X
DirectX	12	12 (FL 12_0)
Vulkan	1.3	1.3
OpenGL	4.6	4.6
Max Displays	4	4

🎬

Media & Encoding

Hardware encoder: VCE 3.4 (Radeon RX 580 2048SP) vs VCE 3.4 (Radeon RX 580X). Decoder: UVD 6.3 vs UVD 6.3. Supported codecs: H.264,HEVC,VP9 (Radeon RX 580 2048SP) vs H.264,H.265/HEVC (Radeon RX 580X).

Feature	Radeon RX 580 2048SP	Radeon RX 580X
Encoder	VCE 3.4	VCE 3.4
Decoder	UVD 6.3	UVD 6.3
Codecs	H.264,HEVC,VP9	H.264,H.265/HEVC

🔌

Power & Dimensions

The Radeon RX 580 2048SP draws 150W versus the Radeon RX 580X's 185W — a 20.9% difference. The Radeon RX 580 2048SP is more power-efficient. Recommended PSU: 450W (Radeon RX 580 2048SP) vs 500W (Radeon RX 580X). Power connectors: 8-pin vs 8-pin. Card length: 241mm vs 241mm, occupying 2 vs 2 slots.

Feature	Radeon RX 580 2048SP	Radeon RX 580X
TDP	150W-19%	185W
Recommended PSU	450W-10%	500W
Power Connector	8-pin	8-pin
Length	241mm	241mm
Height	—	111mm
Slots	2	2
Temp (Load)	75°C	—
Perf/Watt	50.9+26%	40.5

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Value Analysis

At launch, the Radeon RX 580 2048SP came in at $229, while the Radeon RX 580X launched at $229. Performance per dollar on MSRP (G3D Mark / MSRP): 33.3 (Radeon RX 580 2048SP) vs 32.7 (Radeon RX 580X) — the Radeon RX 580 2048SP offers 1.8% better value.

Feature	Radeon RX 580 2048SP	Radeon RX 580X
MSRP	$229	$229
Performance per Dollar	33.3+2%	32.7
Codename	Polaris 20	Polaris 20
Release	October 15 2018	April 11 2018
Ranking	#334	#337

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