Radeon RX 6400 vs R7 Graphics

Primary details

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

Place in the rankingnot rated279
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data54.04
Power efficiencyno data25.61
ArchitectureGCN 2.0 (2013−2017)RDNA 2.0 (2020−2024)
GPU code nameSpectreNavi 24
Market segmentDesktopDesktop
Release date11 January 2014 (10 years ago)19 January 2022 (2 years ago)
Launch price (MSRP)no data$159

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

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 cores512768
Core clock speed720 MHz1923 MHz
Boost clock speed980 MHz2321 MHz
Number of transistors2,410 million5,400 million
Manufacturing process technology28 nm6 nm
Power consumption (TDP)15 Watt53 Watt
Texture fill rate31.36111.4
Floating-point processing power1.004 TFLOPS3.565 TFLOPS
ROPs832
TMUs3248
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).

InterfaceIGPPCIe 4.0 x4
WidthIGP1-slot
Supplementary power connectorsno dataNone

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 typeSystem SharedGDDR6
Maximum RAM amountSystem Shared4 GB
Memory bus widthSystem Shared64 Bit
Memory clock speedSystem Shared2000 MHz
Memory bandwidthno data128.0 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 ConnectorsNo outputs1x 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 Model6.06.7
OpenGL4.64.6
OpenCL2.02.2
Vulkan1.2.1311.3

Pros & cons summary


Recency 11 January 2014 19 January 2022
Chip lithography 28 nm 6 nm
Power consumption (TDP) 15 Watt 53 Watt

R7 Graphics has 253.3% lower power consumption.

RX 6400, on the other hand, has an age advantage of 8 years, and a 366.7% more advanced lithography process.

We couldn't decide between Radeon R7 Graphics and Radeon RX 6400. We've got no test results to judge.


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

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


AMD Radeon R7 Graphics
Radeon R7 Graphics
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.


3.3 1424 votes

Rate Radeon R7 Graphics on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4 1978 votes

Rate Radeon RX 6400 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.