Arc B580 vs Radeon RX 7800M

Intel

Arc B580

2024Core: 2670 MHzBoost: 2670 MHz

Popular choices:

VS
AMD

Radeon RX 7800M

2024Core: 1295 MHzBoost: 2335 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.

Arc B580

2024

Why buy it

  • Delivers 100+% more G3D Mark for each dollar spent, at 64.2 vs 0 G3D/$ ($249 MSRP vs Unknown MSRP).

Trade-offs

  • No equivalent frame-generation stack like FSR Frame Generation + AFMF (2023).
  • Weaker long-term outlook: Radeon RX 7800M is the safer future-proof pick thanks to newer hardware and better gaming feature support.

Radeon RX 7800M

2024

Why buy it

  • Access to a newer frame-generation stack with FSR Frame Generation + AFMF (2023).
  • More future proof: RDNA 3.0 on 5nm with a newer platform for upcoming games.

Trade-offs

  • Lower G3D Mark per dollar, at 0 vs 64.2 G3D/$ (Unknown MSRP vs $249 MSRP).

Quick Answers

So, is Radeon RX 7800M better than Arc B580?
Yes, but this is not really about a huge raw performance gap. The broader synthetic picture is also very close at 15,977 vs 15,984 in G3D Mark. The bigger reason to prefer Radeon RX 7800M is the overall package: you are getting FSR 3 + AFMF.
Which one is more future-proof for 2026 and beyond?
Radeon RX 7800M is the more future-proof choice for 2026 and beyond. You are getting better upscaling support with FSR 3 (2023) instead of no meaningful modern upscaling stack and better frame-generation support with FSR Frame Generation + AFMF (2023) instead of no meaningful modern upscaling stack. 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?
Arc B580 can still make sense if you find it at the right price, especially around $249 MSRP. Radeon RX 7800M is still the smarter buy for most people, though, because the raw performance is close while the overall package is cleaner. Radeon RX 7800M is priced in an unclear MSRP range at an unclear MSRP versus $249 MSRP, and you are getting 0.0% higher G3D Mark. Moving to an unclear MSRP gets you and FSR 3 + AFMF.
Is Arc B580 still worth buying for gaming in 2026?
Yes. Arc B580 is still a strong gaming card in 2026: it is very strong for 1080p, good for 1440p, and more limited at 4K. Price is really the swing factor here. If you find it at or below $249 MSRP, it remains a very sensible buy. Radeon RX 7800M is still the safer recommendation for most fresh builds because it offers a cleaner overall package with FSR 3 + AFMF.

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

PresetArc B580Radeon RX 7800M
1080p
low226 FPS215 FPS
medium212 FPS196 FPS
high191 FPS172 FPS
ultra149 FPS133 FPS
1440p
low183 FPS180 FPS
medium152 FPS147 FPS
high136 FPS128 FPS
ultra111 FPS102 FPS
4K
low95 FPS94 FPS
medium80 FPS78 FPS
high68 FPS59 FPS
ultra60 FPS51 FPS
Counter-Strike 2

Counter-Strike 2

PresetArc B580Radeon RX 7800M
1080p
low412 FPS452 FPS
medium348 FPS384 FPS
high262 FPS313 FPS
ultra204 FPS276 FPS
1440p
low243 FPS344 FPS
medium207 FPS286 FPS
high165 FPS230 FPS
ultra132 FPS191 FPS
4K
low119 FPS169 FPS
medium97 FPS141 FPS
high80 FPS116 FPS
ultra62 FPS92 FPS
League of Legends

League of Legends

PresetArc B580Radeon RX 7800M
1080p
low719 FPS719 FPS
medium575 FPS575 FPS
high479 FPS480 FPS
ultra359 FPS360 FPS
1440p
low539 FPS539 FPS
medium431 FPS432 FPS
high359 FPS360 FPS
ultra270 FPS270 FPS
4K
low359 FPS360 FPS
medium288 FPS288 FPS
high240 FPS240 FPS
ultra180 FPS180 FPS
Valorant

Valorant

PresetArc B580Radeon RX 7800M
1080p
low719 FPS687 FPS
medium575 FPS575 FPS
high479 FPS480 FPS
ultra359 FPS360 FPS
1440p
low539 FPS525 FPS
medium431 FPS432 FPS
high359 FPS360 FPS
ultra270 FPS270 FPS
4K
low359 FPS360 FPS
medium288 FPS288 FPS
high240 FPS240 FPS
ultra180 FPS180 FPS

Technical Specifications

Side-by-side comparison of Arc B580 and Radeon RX 7800M

Intel

Arc B580

The Arc B580 is manufactured by Intel. It was released in December 13 2024. It features the Xe2 architecture. The core clock ranges from 2670 MHz to 2670 MHz. It has 2560 shading units. The thermal design power (TDP) is 190W. Manufactured using 5 nm process technology. It features 20 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 15,977 points. Launch price was $249.

AMD

Radeon RX 7800M

The Radeon RX 7800M is manufactured by AMD. It was released in September 11 2024. It features the RDNA 3.0 architecture. The core clock ranges from 1295 MHz to 2335 MHz. It has 3840 shading units. The thermal design power (TDP) is 180W. Manufactured using 5 nm process technology. It features 60 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 15,984 points.

Graphics Performance

The Arc B580 scores 15,977 and the Radeon RX 7800M reaches 15,984 in the G3D Mark benchmark — just a 0% difference, making them near-identical in rasterization performance. The Arc B580 is built on Xe2 while the Radeon RX 7800M uses RDNA 3.0, both on a 5 nm process. Shader units: 2,560 (Arc B580) vs 3,840 (Radeon RX 7800M). Raw compute: 13.67 TFLOPS (Arc B580) vs 35.87 TFLOPS (Radeon RX 7800M). Boost clocks: 2670 MHz vs 2335 MHz. Ray tracing: 20 RT cores (Arc B580) vs 60 (Radeon RX 7800M) with 160 Tensor cores.

FeatureArc B580Radeon RX 7800M
G3D Mark Score
15,977
15,984
Architecture
Xe2
RDNA 3.0
Process Node
5 nm
5 nm
Shading Units
2560
3840+50%
Compute (TFLOPS)
13.67 TFLOPS
35.87 TFLOPS+162%
Boost Clock
2670 MHz+14%
2335 MHz
ROPs
80
96+20%
TMUs
160
240+50%
L1 Cache
5 MB+567%
0.75 MB
L2 Cache
18 MB+350%
4 MB
Ray Tracing Cores
20
60+200%

Advanced Features (DLSS/FSR)

A critical advantage for the Radeon RX 7800M 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 Arc B580 lacks specific hardware/driver support for this native frame generation tier.

FeatureArc B580Radeon RX 7800M
Upscaling Tech
Upscaling support
FSR 3
Frame Generation
Not Supported
FSR Frame Generation + AFMF
Ray Reconstruction
No
No
Low Latency
Standard
AMD Anti-Lag
💾

Video Memory (VRAM)

Both cards feature 12 GB of GDDR6. Memory bandwidth: 456 GB/s (Arc B580) vs 432 GB/s (Radeon RX 7800M) — a 5.6% advantage for the Arc B580. Bus width: 192-bit vs 192-bit. L2 Cache: 18 MB (Arc B580) vs 4 MB (Radeon RX 7800M) — the Arc B580 has significantly larger on-die cache to reduce VRAM reliance.

FeatureArc B580Radeon RX 7800M
VRAM Capacity
12 GB
12 GB
Memory Type
GDDR6
GDDR6
Memory Bandwidth
456 GB/s+6%
432 GB/s
Bus Width
192-bit
192-bit
L2 Cache
18 MB+350%
4 MB
🖥️

Display & API Support

DirectX support: 12 Ultimate (Arc B580) vs 12.2 (Radeon RX 7800M). Vulkan: 1.3 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 3.

FeatureArc B580Radeon RX 7800M
DirectX
12 Ultimate
12.2+2%
Vulkan
1.3
1.3
OpenGL
4.6
4.6
Max Displays
4+33%
3
🎬

Media & Encoding

Hardware encoder: Xe2 Media Engine (Arc B580) vs VCN 4.0 (Radeon RX 7800M). Decoder: Xe2 Media Engine vs VCN 4.0. Supported codecs: AV1,H.264,H.265/HEVC (Arc B580) vs MPEG-2,H.264,HEVC,VP9,AV1 (Radeon RX 7800M).

FeatureArc B580Radeon RX 7800M
Encoder
Xe2 Media Engine
VCN 4.0
Decoder
Xe2 Media Engine
VCN 4.0
Codecs
AV1,H.264,H.265/HEVC
MPEG-2,H.264,HEVC,VP9,AV1
🔌

Power & Dimensions

The Arc B580 draws 190W versus the Radeon RX 7800M's 180W — a 5.4% difference. The Radeon RX 7800M is more power-efficient. Recommended PSU: 600W (Arc B580) vs 650W (Radeon RX 7800M). Power connectors: 8-pin vs Mobile. Card length: 272mm vs 0mm, occupying 2 vs 0 slots. Typical load temperature: 70°C vs 85°C.

FeatureArc B580Radeon RX 7800M
TDP
190W
180W-5%
Recommended PSU
600W-8%
650W
Power Connector
8-pin
Mobile
Length
272mm
0mm
Height
115mm
0mm
Slots
2
0-100%
Temp (Load)
70°C-18%
85°C
Perf/Watt
84.1
88.8+6%