GPU Comparison

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

Quick Verdict

The Radeon R9 390 and Radeon R9 390X trade blows on raw performance, landing within a few percent of each other.

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

VS
Price
Awaiting Data
Performance
5%
VRAM
8 GB GDDR5
Key Specs Advantage

Comparable or lower specs

Price
Awaiting Data
Performance
5%
VRAM
8 GB GDDR5
Key Specs Advantage
+10% Stream Processors (2,816 vs 2,560)
+5% Boost Clock (1,050 MHz vs 1,000 MHz)

Radeon R9 390 vs Radeon R9 390X: In-Depth Breakdown

Performance: Radeon R9 390 vs Radeon R9 390X

The Radeon R9 390 and Radeon R9 390X post nearly the same score in our performance index, so neither holds a meaningful raw-speed advantage. Both are best suited to entry-level 1080p gaming.

Which should you buy: Radeon R9 390 or Radeon R9 390X?

The Radeon R9 390 is the faster card. With live pricing limited for this pair, base your decision on the spec differences above — particularly VRAM and power draw — and check current stock before buying.

Frequently Asked Questions

Is the Radeon R9 390 better than the Radeon R9 390X?

They're very close on raw performance. Pick based on price, VRAM, and power draw rather than speed.

Which is better for 4K gaming, the Radeon R9 390 or the Radeon R9 390X?

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

Technical Specifications Comparison

Architecture & Cores

SpecificationRadeon R9 390Radeon R9 390X
ArchitectureGCN 2.0GCN 2.0
Process NodeTSMC 28nmTSMC 28nm
CUDA Cores (Stream Processors / Stream Processors)2,5602,816

Clock Speeds

SpecificationRadeon R9 390Radeon R9 390X
Base Clock1,000 MHz1,050 MHz
Boost Clock1,000 MHz1,050 MHz

Memory

SpecificationRadeon R9 390Radeon R9 390X
VRAM Capacity8 GB8 GB
Memory TypeGDDR5GDDR5
Memory Bus512-bit512-bit
Memory Speed6 Gbps6 Gbps
Bandwidth384 GB/s384 GB/s

Connectivity & Power

SpecificationRadeon R9 390Radeon R9 390X
InterfacePCIe 3.0 x16PCIe 3.0 x16
TDP275 W275 W
Power Connectors1x 6-pin + 1x 8-pin1x 6-pin + 1x 8-pin
ReleasedJun 2015Jun 2015