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Intel Arc Pro A40
AMD Radeon RX 6400

Intel Arc Pro A40 vs AMD Radeon RX 6400. Specifications

User rating
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Released
Q3/2022
Intel Arc Pro A40
Intel Arc Pro A40
Released
2022-01-19
User rating
star star star star star
AMD Radeon RX 6400
AMD Radeon RX 6400

What's the best choice Intel Arc Pro A40 or AMD Radeon RX 6400? Which graphics card is faster?

Compare the available specifications of these models.

Intel Arc Pro A40 has a base frequency of 1.5 GHz. Memory size 6 GB. Memory type GDDR6. Released in Q3/2022.

AMD Radeon RX 6400 has a base frequency of 1.923 GHz. Memory size 4 GB. Memory type GDDR6. Released in 2022-01-19.

Differences

Videokards Reasons to consider
Intel Arc Pro A40
Report a bug
  • More memory

    50% more memory

    6 GB left arrow 4 GB

Positions in all rankings

Common positions Intel Arc Pro A40 GPU in popular benchmarks, for comparison with other models.

No data
  • Higher clock speed

    Around 28% better clock speed

    1.923 GHz left arrow 1.5 GHz

Positions in all rankings

Common positions AMD Radeon RX 6400 GPU in popular benchmarks, for comparison with other models.

  • FP32 Performance (Single-precision TFLOPS)
    2848 place
  • Passmark Performance Test GPU
    4 place

Specifications

Technical data
Intel Arc Pro A40 Intel Arc Pro A40
AMD Radeon RX 6400 AMD Radeon RX 6400
General info

Comparison of basic technical data of graphics cards Intel Arc Pro A40 and AMD Radeon RX 6400, chip, information processing units.

  • Architecture
    Generation 12.7 / Alchemist (Pro-Series) left arrow RDNA 2
  • Execution Units
    1024 left arrow 12
  • GPU Chip
    DG2-128 left arrow Navi 24 XL
  • L1 Cache
    No left arrow -
  • L2 Cache
    4 MB left arrow -
  • Render Output Units
    32 left arrow 32
  • RT Cores
    8 left arrow -
  • Shader
    128 left arrow 768
  • Texture Units
    64 left arrow 48
  • Based on
    - left arrow AMD Radeon RX 6400
  • Compute Units
    - left arrow 12
  • Ray Accelerators
    - left arrow 12
Memory settings

Video memory capacity, type, bus width and bandwidth describe different properties. These values alone do not determine graphics performance.

  • Memory Bandwidth
    192 GB/s left arrow 128 GB/s
  • Memory Bus
    96 bit left arrow 64 bit
  • Memory Clock
    2000 MHz left arrow 2000 MHz
  • Memory Data Rate
    16 Gbps left arrow 16 Gbps
  • Memory Size
    6 GB left arrow 4 GB
  • Memory Type
    GDDR6 left arrow GDDR6
  • Infinity Cache
    - left arrow 16 MB
Clock frequency

Published GPU clock frequencies describe different operating modes. Clock speed alone does not determine graphics performance.

  • Base Clock
    1500 MHz left arrow 1923 MHz
  • Boost Clock
    1700 MHz left arrow 2321 MHz
  • Game Clock
    - left arrow 2039 MHz
  • Overclocking
    - left arrow Yes
Thermal Management

Graphics card power limits and recommended system power supply describe different specifications.

  • System Power Supply
    250 W (PSU recommendation) left arrow 350 W (System power requirement)
  • TDP
    50 W left arrow 53 W
  • Maximum Junction Temperature
    - left arrow -
  • TDP (up)
    - left arrow No
  • Typical Board Power
    - left arrow 53 W
Cooler & Fans type

Types and sizes of coolers for graphics card cooling system Intel Arc Pro A40 and AMD Radeon RX 6400.

  • Cooler-Type
    - left arrow Air cooling
  • Fan-Type
    - left arrow -
  • Fan 1
    - left arrow -
  • Fan 2
    - left arrow -
  • Noise (Idle)
    - left arrow 0 dB / Silent
  • Noise (Load)
    - left arrow -
Interfaces

Connectivity and connections.

  • DisplayPort Ports
    4x mini-DisplayPort 2.0 left arrow 1 × DisplayPort 1.4a
  • PCIe Interface
    PCIe 4.0 x8 left arrow PCIe 4.0 x4
  • Power Connectors
    No left arrow PCIe Powered
  • DVI Ports
    - left arrow -
  • HDCP Version
    - left arrow 2.3
  • HDMI Ports
    - left arrow 1 × HDMI 2.1
  • HDMI Version
    - left arrow HDMI 2.1 VRR and FRL
  • Max. Displays
    - left arrow 2
  • USB-C Ports
    - left arrow -
  • VGA Ports
    - left arrow -
Technical data

Technical data that is used to its full potential in computer games.

  • DirectX
    12_2 left arrow Conflicting source values: 12.2 | 12_2
  • Max. resolution
    3840 × 2160 left arrow 7680 × 4320
  • OpenCL
    3.0 left arrow -
  • OpenGL
    4.6 left arrow -
  • Shader Model
    6.6 left arrow -
  • Vulkan
    1.3 left arrow -
  • DLSS / FSR
    - left arrow No
  • LED
    - left arrow No LED lighting
  • Raytracing
    - left arrow Yes
Supported Video Codecs

Built-in support for video and image compression standards.

  • AV1
    - left arrow Decode
  • h264
    - left arrow Decode / Encode
  • h265 / HEVC
    - left arrow Decode / Encode
  • VP8
    - left arrow Decode / Encode
  • VP9
    - left arrow Decode / Encode
Dimensions

The difference in size, weight and slot of the compared devices

  • Height
    - left arrow -
  • Length
    - left arrow -
  • Slot Size
    - left arrow -
  • Weight
    - left arrow -
  • Width
    - left arrow -
More information

Comparison of interfaces and release dates for GPU AMD Radeon RX 6400 and Intel Arc Pro A40.

  • Process Technology
    6 nm left arrow 6 nm
  • Release date
    Q3/2022 left arrow 2022-01-19
  • Documents
    - left arrow data sheet
  • Launch Price (historical)
    - left arrow -
  • Manufacturer
    - left arrow AMD
  • Official source
    - left arrow https://www.amd.com/en/products/graphics/desktops/radeon/6000-series/amd-radeon-rx-6400.html
  • Part Number
    - left arrow -
  • Verification scope
    - left arrow Explicit manufacturer fields refreshed; other original historical fields retained, not all reverified. Partial composite conflicts are preserved.
  • Verified on
    - left arrow 2026-09-30
Theoretical Performance

  • FP16 (theoretical)
    6.963 TFLOPS (2:1) left arrow -
  • FP32 (theoretical)
    3.482 TFLOPS left arrow -
  • FP64 (theoretical)
    0.8704 TFLOPS left arrow -
  • Pixel Rate
    54.40 GPixel/s left arrow -
  • Texture Rate
    108.8 GTexel/s left arrow -

Benchmarks

Performance tests GPUs

No comparable benchmark results are available yet. Specifications alone do not determine which model is faster.

These are saved results from the earlier catalog. Measurement dates and test configurations were not recorded. Models with no comparable results are omitted.

Recent models: test results with identified primary sources — Game frame rates

Latest comparisons