Radeon RX Vega 8 vs RTXA5000-6Q

AMD

Radeon RX Vega 8

2018Core: 720 MHzBoost: 1190 MHz
Similar parts
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VS
NVIDIA

RTXA5000-6Q

2021Core: 1170 MHzBoost: 1695 MHz
Similar parts
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Radeon RX Vega 8 vs RTXA5000-6Q Performance Spectrum

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.

Radeon RX Vega 8 vs RTXA5000-6Q: 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 Vega 8

2018

Why buy it

  • Draws 15W instead of 230W, a 215W reduction.

Trade-offs

  • Less VRAM, with Unknown vs 512 MB for high-resolution textures and newer games.
  • 2018 hardware with Unknown of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
  • Lower G3D Mark per dollar, at 0 vs 0.6 G3D/$ (Unknown MSRP vs $2,500 MSRP).

RTXA5000-6Q

2021

Why buy it

  • Delivers 100+% more G3D Mark for each dollar spent, at 0.6 vs 0 G3D/$ ($2,500 MSRP vs Unknown MSRP).
  • 100+% more VRAM for high-resolution textures and newer games (512 MB vs Unknown).
  • Radeon RX Vega 8 is already obsolete for modern gaming, so RTXA5000-6Q is the less risky modern option long term.

Trade-offs

  • Older hardware, 512 MB of VRAM, and weaker feature support mean it will age faster in newer AAA releases.
  • 1433.3% higher power demand at 230W vs 15W.

Quick Answers

Which GPU is faster for gaming right now?
Radeon RX Vega 8 is the faster gaming card right now based on the synthetic data we have. It leads by 1.2% in PassMark G3D (1,540 vs 1,522), which is the best performance signal available in this matchup.
Which GPU is the safer long-term pick for 2026 and beyond?
RTXA5000-6Q is the safer long-term pick for 2026 and beyond. The case is simple: 512 MB vs Unknown of VRAM, a 8nm process instead of 14nm, 64 vs 0 ray-tracing units, and a newer 2021 generation instead of 2018. That gives it more room for heavier textures and higher settings over time.
Which GPU is the better buy today?
RTXA5000-6Q makes the most sense today based on the pricing and value data we have for this matchup. Radeon RX Vega 8 still makes more sense if max raw gaming performance matters more than value.

Radeon RX Vega 8 vs RTXA5000-6Q Technical Specifications

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

AMD

Radeon RX Vega 8

The Radeon RX Vega 8 is manufactured by AMD. It was released in February 1 2018. It features the GCN 5.0 architecture. The core clock ranges from 720 MHz to 1190 MHz. It has 512 shading units. The thermal design power (TDP) is 15W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 1,540 points.

NVIDIA

RTXA5000-6Q

The RTXA5000-6Q is manufactured by NVIDIA. It was released in April 12 2021. It features the Ampere architecture. The core clock ranges from 1170 MHz to 1695 MHz. It has 8192 shading units. The thermal design power (TDP) is 230W. Manufactured using 8 nm process technology. It features 64 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 1,522 points.

Graphics Performance

The Radeon RX Vega 8 scores 1,540 and the RTXA5000-6Q reaches 1,522 in the G3D Mark benchmark — just a 1.2% difference, making them near-identical in rasterization performance. The Radeon RX Vega 8 is built on GCN 5.0 while the RTXA5000-6Q uses Ampere, both on 14 nm vs 8 nm. Shader units: 512 (Radeon RX Vega 8) vs 8,192 (RTXA5000-6Q). Boost clocks: 1190 MHz vs 1695 MHz.

FeatureRadeon RX Vega 8RTXA5000-6Q
G3D Mark Score
1,540+1%
1,522
Architecture
GCN 5.0
Ampere
Process Node
14 nm
8 nm
Shading Units
512
8192+1500%
Boost Clock
1190 MHz
1695 MHz+42%
ROPs
8
96+1100%
TMUs
32
256+700%

Advanced Features (DLSS/FSR)

The RTXA5000-6Q gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon RX Vega 8 leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.

FeatureRadeon RX Vega 8RTXA5000-6Q
Upscaling Tech
FSR Upscaling / FSR 4
Upscaling support
Frame Generation
Not Supported
Not Supported
Ray Reconstruction
No
No
Low Latency
AMD Anti-Lag
NVIDIA Reflex
💾

Video Memory (VRAM)

The Radeon RX Vega 8 has 0 MB of VRAM, while the RTXA5000-6Q carries 512 MB. RTXA5000-6Q gives you 100+% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is System on the Radeon RX Vega 8 and 64-bit on the RTXA5000-6Q.

FeatureRadeon RX Vega 8RTXA5000-6Q
VRAM Capacity
Shared System RAM
0.5 GB
Memory Type
Shared
GDDR5
Bus Width
System
64-bit
🔌

Power & Dimensions

The Radeon RX Vega 8 draws 15W versus the RTXA5000-6Q's 230W — a 175.5% difference. The Radeon RX Vega 8 is more power-efficient. Recommended PSU: 1W (Radeon RX Vega 8) vs 350W (RTXA5000-6Q). Power connectors: Integrated vs PCIe-powered.

FeatureRadeon RX Vega 8RTXA5000-6Q
TDP
15W-93%
230W
Recommended PSU
1W-100%
350W
Power Connector
Integrated
PCIe-powered
Temp (Load)
85°C
Perf/Watt
102.7+1456%
6.6
💰

Value Analysis

At launch, the Radeon RX Vega 8 came in at $0, while the RTXA5000-6Q launched at $2500. On MSRP, Radeon RX Vega 8 was 100+% cheaper ($2500 less). Performance per dollar on MSRP (G3D Mark / MSRP): Infinity (Radeon RX Vega 8) vs 0.6 (RTXA5000-6Q) — the Radeon RX Vega 8 offers Infinity% better value. The newer card here is RTXA5000-6Q (2021 vs 2018).

FeatureRadeon RX Vega 8RTXA5000-6Q
MSRP
$0-100%
$2500
Performance per Dollar
Infinity
0.6
Codename
Vega
GA102
Release
February 1 2018
April 12 2021
Ranking
#372
#53

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