GPU Comparison

Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.

Quick Verdict

The Arc A770 is dramatically faster than the Radeon RX Vega 64, leading by roughly 43% in our performance index. The Radeon RX Vega 64, however, delivers more performance per dollar — $105 USD cheaper.

Maximum Capacity Reached. Remove a model to add another. (2/2)

VS
Price
$300 USD
Benchmark %
20%
VRAM
16 GB GDDR6
Key Specs Advantage
+55% Boost Clock (2,400 MHz vs 1,546 MHz)
+16% Bandwidth (560 GB/s vs 483.8 GB/s)
AMD
Radeon RX Vega 64
Price
$195 USD
Benchmark %
14%
VRAM
8 GB HBM2
Key Specs Advantage
+700% Memory Bus (2048-bit vs 256-bit)

Arc A770 vs Radeon RX Vega 64: In-Depth Breakdown

Performance: Arc A770 vs Radeon RX Vega 64

The Arc A770 is dramatically faster, around 43% ahead of the Radeon RX Vega 64. Both cards sit in the same broad class, well suited to 1080p.

Price & Value

Right now the Radeon RX Vega 64 starts at $195 USD against $300 USD for the Arc A770. Despite being slower, the Radeon RX Vega 64 offers the better performance-per-dollar (~8% better value), so budget-focused buyers should weigh it carefully. The Radeon RX Vega 64 is trading below its $499 USD MSRP — a genuine deal. The Arc A770 is trading below its $329 USD MSRP — a genuine deal.

Power & Efficiency

The Arc A770 draws just 225W versus 295W for the Radeon RX Vega 64, and it also delivers more performance per watt — so it runs cooler and quieter and needs less PSU headroom. Its more modern Alchemist architecture on a TSMC N6 process is part of why it does more with each watt.

VRAM & Future-Proofing

With 16GB against 8GB, the Arc A770 has more headroom for 4K textures and memory-hungry creative/AI tasks where the Radeon RX Vega 64's 8GB can fall short.

Generation & Longevity

The Arc A770 is roughly 5 years newer than the Radeon RX Vega 64 (Alchemist vs GCN 5.0 (Vega)), so it generally benefits from a more modern architecture and longer driver-support runway.

Features & Ecosystem

Beyond raw numbers, the Arc A770 brings Intel XeSS upscaling and AV1 encoding, while the Radeon RX Vega 64 offers AMD FSR upscaling and strong rasterization value. If you lean on upscaling or ray tracing, that ecosystem difference can matter as much as the frame-rate gap.

Which should you buy: Arc A770 or Radeon RX Vega 64?

Choose the Arc A770 if you want the most performance and can absorb the higher price. If you're optimizing for value, the Radeon RX Vega 64 stretches your money further for only slightly lower performance.

Frequently Asked Questions

Is the Arc A770 better than the Radeon RX Vega 64?

The Arc A770 is dramatically faster, roughly 43% ahead. The Radeon RX Vega 64 is still worth it if value matters more than top-end frames.

Which is better for 4K gaming, the Arc A770 or the Radeon RX Vega 64?

Neither is a dedicated 4K card; both are best at 1080p. For 4K you'd want a faster GPU, or lean on upscaling.

Is the Arc A770 worth the extra $105 USD over the Radeon RX Vega 64?

Only if you need the extra performance or features; on pure value the Radeon RX Vega 64 comes out ahead.

Does the Arc A770 have enough VRAM advantage to matter?

Its 16GB (vs 8GB) gives real headroom for 4K, heavy texture mods, and creative/AI work. At 1080p the gap matters less.

Technical Specifications Comparison

Architecture & Cores

SpecificationArc A770Radeon RX Vega 64
ArchitectureAlchemistGCN 5.0 (Vega)
Process NodeTSMC N6GloFo 14nm
CUDA Cores (Shading Units / Stream Processors)4,0964,096
Ray Tracing Cores32
Tensor / AI Cores512

Clock Speeds

SpecificationArc A770Radeon RX Vega 64
Base Clock2,100 MHz1,247 MHz
Boost Clock2,400 MHz1,546 MHz

Memory

SpecificationArc A770Radeon RX Vega 64
VRAM Capacity16 GB8 GB
Memory TypeGDDR6HBM2
Memory Bus256-bit2048-bit
Memory Speed17.5 Gbps1.89 Gbps
Bandwidth560 GB/s483.8 GB/s

Connectivity & Power

SpecificationArc A770Radeon RX Vega 64
InterfacePCIe 4.0 x16PCIe 3.0 x16
TDP225 W295 W
Power Connectors2x 8-pin2x 8-pin
ReleasedOct 2022Aug 2017