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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

The Radeon RX 7600M XT is dramatically faster than the Radeon RX 6400, leading by roughly 233% in our performance index.

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

VS
AMD
Radeon RX 6400
Price
£176
Performance
6/100
VRAM
4 GB GDDR6
Key Specs Advantage
+1% Boost Clock (2,321 MHz vs 2,300 MHz)
Price
Reference GPU
Performance
20/100
VRAM
8 GB GDDR6
Key Specs Advantage
+167% Stream Processors (2,048 vs 768)
+167% Ray Accelerators (32 vs 12)
+125% Bandwidth (288 GB/s vs 128 GB/s)

Radeon RX 7600M XT vs Radeon RX 6400: In-Depth Breakdown

Performance: Radeon RX 7600M XT vs Radeon RX 6400

The Radeon RX 7600M XT is dramatically faster, around 233% ahead of the Radeon RX 6400. That gap is enough to move it up a tier: the Radeon RX 7600M XT is comfortable at 1080p, while the Radeon RX 6400 is better matched to entry-level 1080p. The Radeon RX 7600M XT packs 2,048 stream processors versus 768 on the Radeon RX 6400.

Power & Efficiency

The Radeon RX 6400 pulls less power (53W vs 120W), so it's the easier card to cool and the lighter load on your PSU. The faster Radeon RX 7600M XT draws more overall but extracts more performance from each watt — plan for a sturdier power supply if you pick it. Its more modern RDNA 3 architecture on a TSMC N6 process is part of why it does more with each watt.

VRAM & Future-Proofing

With 8GB against 4GB, the Radeon RX 7600M XT has more headroom for 4K textures and memory-hungry creative/AI tasks where the Radeon RX 6400's 4GB can fall short. The Radeon RX 7600M XT's memory is also faster — 288 GB/s versus 128 GB/s (128-bit vs 64-bit bus) — which helps feed the GPU at 4K and with heavy textures.

Which should you buy: Radeon RX 6400 or Radeon RX 7600M XT?

The Radeon RX 7600M XT is the faster card by about 233%. 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 7600M XT better than the Radeon RX 6400?

The Radeon RX 7600M XT is dramatically faster, roughly 233% ahead. If your budget allows, it's the stronger pick.

Which is better for 4K gaming, the Radeon RX 6400 or the Radeon RX 7600M XT?

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

Does the Radeon RX 7600M XT have enough VRAM advantage to matter?

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

Technical Specifications Comparison

Architecture & Cores

SpecificationRadeon RX 6400Radeon RX 7600M XT
ArchitectureRDNA 2RDNA 3
Process NodeTSMC N6TSMC N6
CUDA Cores (Stream Processors / Stream Processors)7682,048
Ray Tracing Cores1232
Tensor / AI Cores64

Clock Speeds

SpecificationRadeon RX 6400Radeon RX 7600M XT
Base Clock1,923 MHz1,720 MHz
Boost Clock2,321 MHz2,300 MHz

Memory

SpecificationRadeon RX 6400Radeon RX 7600M XT
VRAM Capacity4 GB8 GB
Memory TypeGDDR6GDDR6
Memory Bus64-bit128-bit
Memory Speed16 Gbps18 Gbps
Bandwidth128 GB/s288 GB/s

Connectivity & Power

SpecificationRadeon RX 6400Radeon RX 7600M XT
InterfacePCIe 4.0 x4PCIe 4.0 x8
TDP53 W120 W
Power ConnectorsNoneNone
ReleasedJan 2022Jan 2023