AMD Radeon 780M vs AMD Radeon RX 6400

Comparative analysis of AMD Radeon 780M and AMD Radeon RX 6400 videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory. Benchmark videocards performance analysis: Geekbench - OpenCL, PassMark - G2D Mark, PassMark - G3D Mark, 3DMark Fire Strike - Graphics Score.

AMD Radeon 780M

AMD Radeon RX 6400

Differences

Reasons to consider the AMD Radeon 780M

Videocard is newer: launch date 11 month(s) later
Around 25% higher boost clock speed: 2900 MHz vs 2321 MHz
Around 25% higher texture fill rate: 139.2 GTexel/s vs 111.4 GTexel/s
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 4 nm vs 6 nm
3.5x lower typical power consumption: 15 Watt vs 53 Watt
Around 23% better performance in PassMark - G2D Mark: 879 vs 717
2.7x better performance in 3DMark Fire Strike - Graphics Score: 480 vs 176

Specifications (specs)
Launch date	4 Jan 2023 vs 19 Jan 2022
Boost clock speed	2900 MHz vs 2321 MHz
Texture fill rate	139.2 GTexel/s vs 111.4 GTexel/s
Manufacturing process technology	4 nm vs 6 nm
Thermal Design Power (TDP)	15 Watt vs 53 Watt
Benchmarks
PassMark - G2D Mark	879 vs 717
3DMark Fire Strike - Graphics Score	480 vs 176

Reasons to consider the AMD Radeon RX 6400

Around 28% higher core clock speed: 1923 MHz vs 1500 MHz
Around 19% better performance in Geekbench - OpenCL: 33004 vs 27793
Around 9% better performance in PassMark - G3D Mark: 7651 vs 6998

Specifications (specs)
Core clock speed	1923 MHz vs 1500 MHz
Benchmarks
Geekbench - OpenCL	33004 vs 27793
PassMark - G3D Mark	7651 vs 6998

Compare benchmarks

GPU 1: AMD Radeon 780M
GPU 2: AMD Radeon RX 6400

Geekbench - OpenCL

GPU 1

GPU 2

27793

33004

PassMark - G2D Mark

GPU 1

GPU 2

879

717

PassMark - G3D Mark

GPU 1

GPU 2

6998

7651

3DMark Fire Strike - Graphics Score

GPU 1

GPU 2

480

176

Name	AMD Radeon 780M	AMD Radeon RX 6400
Geekbench - OpenCL	27793	33004
PassMark - G2D Mark	879	717
PassMark - G3D Mark	6998	7651
3DMark Fire Strike - Graphics Score	480	176

Compare specifications (specs)

	AMD Radeon 780M	AMD Radeon RX 6400
Essentials
Architecture	RDNA 3.0	RDNA 2.0
Code name	Phoenix	Navi 24
Launch date	4 Jan 2023	19 Jan 2022
Place in performance rating	240	279
Technical info
Boost clock speed	2900 MHz	2321 MHz
Compute units	12	12
Core clock speed	1500 MHz	1923 MHz
Manufacturing process technology	4 nm	6 nm
Pipelines	768	768
Pixel fill rate	92.80 GPixel/s	74.27 GPixel/s
Texture fill rate	139.2 GTexel/s	111.4 GTexel/s
Thermal Design Power (TDP)	15 Watt	53 Watt
Peak Double Precision (FP64) Performance		222.8 GFLOPS (1:16)
Peak Half Precision (FP16) Performance		7.130 TFLOPS (2:1)
Peak Single Precision (FP32) Performance		3.565 TFLOPS
Transistor count		5400 million
Video outputs and ports
Display Connectors	Portable Device Dependent	1x HDMI 2.1, 1x DisplayPort 1.4a
Compatibility, dimensions and requirements
Form factor	IGP	Single-slot
Interface	PCIe 4.0 x8	PCIe 4.0 x4
Supplementary power connectors	None	None
Recommended system power (PSU)		250 Watt
API support
DirectX	12 Ultimate (12_2)	12 Ultimate (12_2)
OpenCL	2.1	2.2
OpenGL	4.6	4.6
Shader Model	6.7	6.7
Vulkan
Memory
Maximum RAM amount	System Shared	4 GB
Memory bandwidth	System Dependent	128.0 GB/s
Memory bus width	System Shared	64 bit
Memory clock speed	System Shared	2000 MHz, 16 Gbps effective
Memory type	System Shared	GDDR6