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GPU Comparison

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

Market Value Leader

Only verified data for Radeon RX 6400 is available. Benchmarks for other models are currently being processed.

Quick Verdict

On raw speed the Radeon RX 6800 comes out dramatically faster — about 417% ahead of the Radeon RX 6400.

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

VS
AMD
Radeon RX 6400
Price
€183✓
Performance
6/100
VRAM
4 GB GDDR6
Key Specs Advantage
+10% Boost Clock (2,321 MHz vs 2,105 MHz)
AMD
Radeon RX 6800
Price
Awaiting Data
Performance
31/100✓
VRAM
16 GB GDDR6✓
Key Specs Advantage
+400% Stream Processors (3,840 vs 768)
+400% Ray Accelerators (60 vs 12)
+300% Bandwidth (512 GB/s vs 128 GB/s)
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Radeon RX 6800 vs Radeon RX 6400: In-Depth Breakdown

Performance: Radeon RX 6800 vs Radeon RX 6400

The Radeon RX 6800 is dramatically faster, around 417% ahead of the Radeon RX 6400. That gap is enough to move it up a tier: the Radeon RX 6800 is comfortable at 1440p, while the Radeon RX 6400 is better matched to entry-level 1080p. The Radeon RX 6800 packs 3,840 stream processors versus 768 on the Radeon RX 6400. The Radeon RX 6800 also has more RT cores (60 vs 12), strengthening its ray-tracing and AI-upscaling performance.

Power & Efficiency

On power, the Radeon RX 6400 is the gentler choice at 53W versus 250W. The Radeon RX 6800 is more efficient per watt because it's faster, but its higher 250W draw means more heat and a bigger PSU.

VRAM & Future-Proofing

The Radeon RX 6800 carries 16GB versus 4GB on the Radeon RX 6400. The extra 12GB helps at 4K, with high-resolution texture packs, and for content-creation or local-AI workloads that exhaust smaller buffers. The Radeon RX 6800's memory is also faster — 512 GB/s versus 128 GB/s (256-bit vs 64-bit bus) — which helps feed the GPU at 4K and with heavy textures.

Generation & Longevity

The Radeon RX 6400 is roughly 2 years newer than the Radeon RX 6800, so it generally benefits from a more modern architecture and longer driver-support runway.

Which should you buy: Radeon RX 6400 or Radeon RX 6800?

The Radeon RX 6800 is the faster card by about 417%. 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 RX 6800 better than the Radeon RX 6400?

The Radeon RX 6800 is dramatically faster, roughly 417% ahead. If your budget allows, it's the stronger pick.

Which is better for 4K gaming, the Radeon RX 6400 or the Radeon RX 6800?

Neither is a dedicated 4K card; both are best at 1440p. For 4K you'd want a faster GPU, or lean on upscaling.

Does the Radeon RX 6800 have enough VRAM advantage to matter?

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

Which is better for ray tracing, the Radeon RX 6800 or the Radeon RX 6400?

Both handle ray tracing, but the Radeon RX 6800 has more RT cores, giving it better ray-tracing and AI-upscaling performance than the Radeon RX 6400.

Technical Specifications Comparison

Architecture & Cores

SpecificationRadeon RX 6400Radeon RX 6800
ArchitectureRDNA 2RDNA 2
Process NodeTSMC N6TSMC N7
CUDA Cores (Stream Processors / Stream Processors)7683,840✓
Ray Tracing Cores1260✓

Clock Speeds

SpecificationRadeon RX 6400Radeon RX 6800
Base Clock1,923 MHz✓1,700 MHz
Boost Clock2,321 MHz✓2,105 MHz

Memory

SpecificationRadeon RX 6400Radeon RX 6800
VRAM Capacity4 GB16 GB✓
Memory TypeGDDR6GDDR6
Memory Bus64-bit256-bit✓
Memory Speed16 Gbps16 Gbps
Bandwidth128 GB/s512 GB/s✓

Connectivity & Power

SpecificationRadeon RX 6400Radeon RX 6800
InterfacePCIe 4.0 x4PCIe 4.0 x16
TDP53 W✓250 W
Power ConnectorsNone2x 8-pin
ReleasedJan 2022Nov 2020
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