Radeon RX 580 2048SP vs Radeon RX 580X

AMD

Radeon RX 580 2048SP

2018Core: 1168 MHzBoost: 1284 MHz

Popular choices:

VS
AMD

Radeon RX 580X

2018Core: 1257 MHzBoost: 1340 MHz

Popular choices:

Performance Spectrum - GPU

About G3D Mark

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 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

  • Limited future-proofing: older hardware, 16 GB of VRAM, and weaker feature support mean it will age faster in upcoming AAA games.

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.
  • Limited future-proofing: older hardware, 8 GB of VRAM, and weaker feature support mean it will age faster in upcoming AAA games.
  • 23.3% higher power demand at 185W vs 150W.

Quick Answers

So, is Radeon RX 580 2048SP better than Radeon RX 580X?
Yes, but this is not really about a huge raw performance gap. The broader synthetic picture is also very close at 7,633 vs 7,495 in G3D Mark. The bigger reason to prefer Radeon RX 580 2048SP is the overall package: you are getting FSR upscaling + limited Frame Generation, plus much lower power draw (150W vs 185W).
Which one is more future-proof for 2026 and beyond?
Radeon RX 580 2048SP is the more future-proof choice for 2026 and beyond. You are getting more VRAM at 16 GB instead of 8 GB. That extra memory headroom makes it the safer pick for newer games, heavier textures, and higher settings over time.
Which one is the smarter buy today, not just the cheaper card?
Radeon RX 580 2048SP can still make sense if you find it at the right price, especially around $229 MSRP. Radeon RX 580 2048SP is still the smarter buy for most people, though, because the raw performance is close while the overall package is cleaner. Radeon RX 580 2048SP is in basically the same MSRP band at $229 MSRP versus $229 MSRP, and you are getting 1.8% higher G3D Mark. Moving to $229 MSRP gets you lower power draw (150W vs 185W), and FSR upscaling + limited Frame Generation.
Is Radeon RX 580X still worth buying for gaming in 2026?
Yes. Radeon RX 580X is still a strong gaming card in 2026: it is still comfortable for 1080p and decent for 1440p, though 4K is more situational. Price is really the swing factor here. If you find it at or below $229 MSRP, it remains a very sensible buy. Radeon RX 580 2048SP is still the safer recommendation for most fresh builds because it offers a cleaner overall package with FSR upscaling + limited Frame Generation.

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.

Path of Exile 2

Path of Exile 2

PresetRadeon RX 580 2048SPRadeon RX 580X
1080p
low196 FPS146 FPS
medium175 FPS129 FPS
high147 FPS110 FPS
ultra94 FPS81 FPS
1440p
low171 FPS133 FPS
medium149 FPS111 FPS
high106 FPS86 FPS
ultra67 FPS64 FPS
4K
low64 FPS59 FPS
medium58 FPS52 FPS
high39 FPS33 FPS
ultra34 FPS29 FPS
Counter-Strike 2

Counter-Strike 2

PresetRadeon RX 580 2048SPRadeon RX 580X
1080p
low154 FPS159 FPS
medium131 FPS137 FPS
high109 FPS119 FPS
ultra81 FPS93 FPS
1440p
low89 FPS92 FPS
medium69 FPS73 FPS
high53 FPS57 FPS
ultra41 FPS46 FPS
4K
low36 FPS37 FPS
medium27 FPS29 FPS
high22 FPS24 FPS
ultra17 FPS19 FPS
League of Legends

League of Legends

PresetRadeon RX 580 2048SPRadeon RX 580X
1080p
low343 FPS337 FPS
medium275 FPS270 FPS
high229 FPS225 FPS
ultra172 FPS169 FPS
1440p
low258 FPS253 FPS
medium206 FPS202 FPS
high172 FPS169 FPS
ultra129 FPS126 FPS
4K
low172 FPS169 FPS
medium137 FPS135 FPS
high114 FPS112 FPS
ultra86 FPS84 FPS
Valorant

Valorant

PresetRadeon RX 580 2048SPRadeon RX 580X
1080p
low271 FPS337 FPS
medium238 FPS270 FPS
high200 FPS225 FPS
ultra159 FPS169 FPS
1440p
low203 FPS253 FPS
medium181 FPS202 FPS
high147 FPS169 FPS
ultra114 FPS126 FPS
4K
low113 FPS154 FPS
medium92 FPS120 FPS
high76 FPS105 FPS
ultra58 FPS84 FPS

Technical Specifications

Side-by-side comparison of Radeon RX 580 2048SP and Radeon RX 580X

AMD

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.

AMD

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.

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.

FeatureRadeon RX 580 2048SPRadeon 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 modern Frame Generation technology, allowing them to insert intermediate frames to smooth motion and boost perceived FPS in supported games.

FeatureRadeon RX 580 2048SPRadeon 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 comes with 16 GB of VRAM, while the Radeon RX 580X has 8 GB. The Radeon RX 580 2048SP offers 100% more capacity, crucial for higher resolutions and texture-heavy games. 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. Bus width: 256-bit vs 256-bit.

FeatureRadeon RX 580 2048SPRadeon 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.

FeatureRadeon RX 580 2048SPRadeon 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).

FeatureRadeon RX 580 2048SPRadeon 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.

FeatureRadeon RX 580 2048SPRadeon 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
💰

Value Analysis

The Radeon RX 580 2048SP launched at $229 MSRP, 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.

FeatureRadeon RX 580 2048SPRadeon 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