GeForce RTX 4090 D vs Radeon RX 6400

Aggregate performance score

We've compared Radeon RX 6400 and GeForce RTX 4090 D, covering specs and all relevant benchmarks.

RX 6400
2022
4 GB GDDR6, 53 Watt
19.79

RTX 4090 D outperforms RX 6400 by a whopping 363% based on our aggregate benchmark results.

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking2792
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation53.9917.27
Power efficiency25.6014.79
ArchitectureRDNA 2.0 (2020−2024)Ada Lovelace (2022−2024)
GPU code nameNavi 24AD102
Market segmentDesktopDesktop
Release date19 January 2022 (2 years ago)28 December 2023 (less than a year ago)
Launch price (MSRP)$159 $1,599

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

RX 6400 has 213% better value for money than RTX 4090 D.

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores76814592
Core clock speed1923 MHz2280 MHz
Boost clock speed2321 MHz2520 MHz
Number of transistors5,400 million76,300 million
Manufacturing process technology6 nm5 nm
Power consumption (TDP)53 Watt425 Watt
Texture fill rate111.41,149
Floating-point processing power3.565 TFLOPS73.54 TFLOPS
ROPs32176
TMUs48456
Tensor Coresno data456
Ray Tracing Cores12114

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

InterfacePCIe 4.0 x4PCIe 4.0 x16
Lengthno data304 mm
Width1-slot3-slot
Supplementary power connectorsNone1x 16-pin

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeGDDR6GDDR6X
Maximum RAM amount4 GB24 GB
Memory bus width64 Bit384 Bit
Memory clock speed2000 MHz1313 MHz
Memory bandwidth128.0 GB/s1,008 GB/s

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display Connectors1x HDMI 2.1, 1x DisplayPort 1.4a1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI++

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX12 Ultimate (12_2)12 Ultimate (12_2)
Shader Model6.76.7
OpenGL4.64.6
OpenCL2.23.0
Vulkan1.31.3
CUDA-8.9

Synthetic benchmark performance

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.


Combined synthetic benchmark score

This is our combined benchmark score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

RX 6400 19.79
RTX 4090 D 91.70
+363%

Passmark

This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

RX 6400 7626
RTX 4090 D 35333
+363%

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Pros & cons summary


Performance score 19.79 91.70
Recency 19 January 2022 28 December 2023
Maximum RAM amount 4 GB 24 GB
Chip lithography 6 nm 5 nm
Power consumption (TDP) 53 Watt 425 Watt

RX 6400 has 701.9% lower power consumption.

RTX 4090 D, on the other hand, has a 363.4% higher aggregate performance score, an age advantage of 1 year, a 500% higher maximum VRAM amount, and a 20% more advanced lithography process.

The GeForce RTX 4090 D is our recommended choice as it beats the Radeon RX 6400 in performance tests.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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AMD Radeon RX 6400
Radeon RX 6400
NVIDIA GeForce RTX 4090 D
GeForce RTX 4090 D

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


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Questions & comments

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