Radeon RX 6400 vs R9 285

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Aggregate performance score

We've compared Radeon R9 285 and Radeon RX 6400, covering specs and all relevant benchmarks.

R9 285
2014
2 GB GDDR5, 190 Watt
17.34

RX 6400 outperforms R9 285 by a moderate 14% based on our aggregate benchmark results.

Primary details

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

Place in the ranking315279
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation8.7653.99
Power efficiency6.2625.60
ArchitectureGCN 3.0 (2014−2019)RDNA 2.0 (2020−2024)
GPU code nameTongaNavi 24
Market segmentDesktopDesktop
Release date2 September 2014 (10 years ago)19 January 2022 (2 years ago)
Launch price (MSRP)$249 $159

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

RX 6400 has 516% better value for money than R9 285.

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 cores1792768
Core clock speed918 MHz1923 MHz
Boost clock speedno data2321 MHz
Number of transistors5,000 million5,400 million
Manufacturing process technology28 nm6 nm
Power consumption (TDP)190 Watt53 Watt
Texture fill rate102.8111.4
Floating-point processing power3.29 TFLOPS3.565 TFLOPS
ROPs3232
TMUs11248
Ray Tracing Coresno data12

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 3.0 x16PCIe 4.0 x4
Length221 mmno data
Width2-slot1-slot
Supplementary power connectors2x 6-pinNone

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 typeGDDR5GDDR6
Maximum RAM amount2 GB4 GB
Memory bus width256 Bit64 Bit
Memory clock speed1375 MHz2000 MHz
Memory bandwidth176.0 GB/s128.0 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 Connectors2x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.21x HDMI 2.1, 1x DisplayPort 1.4a
HDMI++

API compatibility

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

DirectX12 (12_0)12 Ultimate (12_2)
Shader Model6.56.7
OpenGL4.64.6
OpenCL2.12.2
Vulkan1.2.1701.3

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.

R9 285 17.34
RX 6400 19.79
+14.1%

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.

R9 285 6680
RX 6400 7626
+14.2%

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 17.34 19.79
Recency 2 September 2014 19 January 2022
Maximum RAM amount 2 GB 4 GB
Chip lithography 28 nm 6 nm
Power consumption (TDP) 190 Watt 53 Watt

RX 6400 has a 14.1% higher aggregate performance score, an age advantage of 7 years, a 100% higher maximum VRAM amount, a 366.7% more advanced lithography process, and 258.5% lower power consumption.

The Radeon RX 6400 is our recommended choice as it beats the Radeon R9 285 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 R9 285
Radeon R9 285
AMD Radeon RX 6400
Radeon RX 6400

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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