GPU Comparison

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

Quick Verdict

On raw speed the Radeon RX 6400 comes out significantly faster — about 20% ahead of the GeForce GTX TITAN Z.

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

VS
Price
Awaiting Data
Performance
5%
VRAM
12 GB GDDR5
Key Specs Advantage
+500% Memory Bus (384-bit vs 64-bit)
+275% CUDA Cores (2,880 vs 768)
+163% Bandwidth (336 GB/s vs 128 GB/s)
AMD
Radeon RX 6400
Price
€10
Performance
6%
VRAM
4 GB GDDR6
Key Specs Advantage
+165% Boost Clock (2,321 MHz vs 876 MHz)

Radeon RX 6400 vs GeForce GTX TITAN Z: In-Depth Breakdown

Performance: Radeon RX 6400 vs GeForce GTX TITAN Z

The Radeon RX 6400 is significantly faster, around 20% ahead of the GeForce GTX TITAN Z. Both cards sit in the same broad class, well suited to entry-level 1080p.

Power & Efficiency

At 53W against 375W, the Radeon RX 6400 is both the lower-power and the more efficient card, making it the easier build to cool and power. Its more modern RDNA 2 architecture on a TSMC N6 process is part of why it does more with each watt.

VRAM & Future-Proofing

The GeForce GTX TITAN Z carries 12GB versus 4GB on the Radeon RX 6400. The extra 8GB helps at 4K, with high-resolution texture packs, and for content-creation or local-AI workloads that exhaust smaller buffers.

Generation & Longevity

The Radeon RX 6400 is roughly 8 years newer than the GeForce GTX TITAN Z (RDNA 2 vs Kepler), so it generally benefits from a more modern architecture and longer driver-support runway.

Features & Ecosystem

Beyond raw numbers, the GeForce GTX TITAN Z brings NVIDIA DLSS upscaling/frame generation and stronger ray tracing, while the Radeon RX 6400 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: GeForce GTX TITAN Z or Radeon RX 6400?

The Radeon RX 6400 is the faster card by about 20%. 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 6400 better than the GeForce GTX TITAN Z?

The Radeon RX 6400 is significantly faster, roughly 20% ahead. If your budget allows, it's the stronger pick.

Which is better for 4K gaming, the GeForce GTX TITAN Z or the Radeon RX 6400?

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.

Does the GeForce GTX TITAN Z have enough VRAM advantage to matter?

Its 12GB (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

SpecificationGeForce GTX TITAN ZRadeon RX 6400
ArchitectureKeplerRDNA 2
Process NodeTSMC 28nmTSMC N6
CUDA Cores (CUDA Cores / Stream Processors)2,880768
Ray Tracing Cores12

Clock Speeds

SpecificationGeForce GTX TITAN ZRadeon RX 6400
Base Clock705 MHz1,923 MHz
Boost Clock876 MHz2,321 MHz

Memory

SpecificationGeForce GTX TITAN ZRadeon RX 6400
VRAM Capacity12 GB4 GB
Memory TypeGDDR5GDDR6
Memory Bus384-bit64-bit
Memory Speed7 Gbps16 Gbps
Bandwidth336 GB/s128 GB/s

Connectivity & Power

SpecificationGeForce GTX TITAN ZRadeon RX 6400
InterfacePCIe 3.0 x16PCIe 4.0 x4
TDP375 W53 W
Power Connectors2x 8-pinNone
ReleasedMay 2014Jan 2022