NVIDIA GeForce RTX 5080 vs AMD Radeon RX 6400

Comparative analysis of NVIDIA GeForce RTX 5080 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: PassMark - G2D Mark, PassMark - G3D Mark, Geekbench - OpenCL, 3DMark Fire Strike - Graphics Score.

NVIDIA GeForce RTX 5080

AMD Radeon RX 6400

Differences

Reasons to consider the NVIDIA GeForce RTX 5080

Videocard is newer: launch date 3 year(s) 0 month(s) later
Around 19% higher core clock speed: 2295 MHz vs 1923 MHz
Around 13% higher boost clock speed: 2617 MHz vs 2321 MHz
7.9x more texture fill rate: 879.3 GTexel/s vs 111.4 GTexel/s
14x more pipelines: 10752 vs 768
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 5 nm vs 6 nm
4x more maximum memory size: 16 GB vs 4 GB
Around 95% better performance in PassMark - G2D Mark: 1401 vs 717
4.7x better performance in PassMark - G3D Mark: 36147 vs 7651
8x better performance in Geekbench - OpenCL: 263511 vs 33004
49.1x better performance in 3DMark Fire Strike - Graphics Score: 8637 vs 176

Specifications (specs)
Launch date	30 Jan 2025 vs 19 Jan 2022
Core clock speed	2295 MHz vs 1923 MHz
Boost clock speed	2617 MHz vs 2321 MHz
Texture fill rate	879.3 GTexel/s vs 111.4 GTexel/s
Pipelines	10752 vs 768
Manufacturing process technology	5 nm vs 6 nm
Maximum memory size	16 GB vs 4 GB
Benchmarks
PassMark - G2D Mark	1401 vs 717
PassMark - G3D Mark	36147 vs 7651
Geekbench - OpenCL	263511 vs 33004
3DMark Fire Strike - Graphics Score	8637 vs 176

Reasons to consider the AMD Radeon RX 6400

6.8x lower typical power consumption: 53 Watt vs 360 Watt
Around 7% higher memory clock speed: 2000 MHz, 16 Gbps effective vs 1875 MHz, 30 Gbps effective

Thermal Design Power (TDP)	53 Watt vs 360 Watt
Memory clock speed	2000 MHz, 16 Gbps effective vs 1875 MHz, 30 Gbps effective

Compare benchmarks

GPU 1: NVIDIA GeForce RTX 5080
GPU 2: AMD Radeon RX 6400

PassMark - G2D Mark

GPU 1

GPU 2

1401

717

PassMark - G3D Mark

GPU 1

GPU 2

36147

7651

Geekbench - OpenCL

GPU 1

GPU 2

263511

33004

3DMark Fire Strike - Graphics Score

GPU 1

GPU 2

8637

176

Name	NVIDIA GeForce RTX 5080	AMD Radeon RX 6400
PassMark - G2D Mark	1401	717
PassMark - G3D Mark	36147	7651
Geekbench - OpenCL	263511	33004
3DMark Fire Strike - Graphics Score	8637	176

Compare specifications (specs)

	NVIDIA GeForce RTX 5080	AMD Radeon RX 6400
Essentials
Architecture	Blackwell 2.0	RDNA 2.0
Code name	GB203	Navi 24
Launch date	30 Jan 2025	19 Jan 2022
Place in performance rating	6	279
Technical info
Boost clock speed	2617 MHz	2321 MHz
Core clock speed	2295 MHz	1923 MHz
Manufacturing process technology	5 nm	6 nm
Pipelines	10752	768
Pixel fill rate	293.1 GPixel/s	74.27 GPixel/s
Texture fill rate	879.3 GTexel/s	111.4 GTexel/s
Thermal Design Power (TDP)	360 Watt	53 Watt
Transistor count	45600 million	5400 million
Compute units		12
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
Video outputs and ports
Display Connectors	1x HDMI 2.1b, 3x DisplayPort 2.1b	1x HDMI 2.1, 1x DisplayPort 1.4a
Compatibility, dimensions and requirements
Form factor	Dual-slot	Single-slot
Height	40 mm, 1.6 inches
Interface	PCIe 5.0 x16	PCIe 4.0 x4
Length	304 mm, 12 inches
Recommended system power (PSU)	750 Watt	250 Watt
Supplementary power connectors	1x 16-pin	None
Width	137 mm, 5.4 inches
API support
DirectX	12 Ultimate (12_2)	12 Ultimate (12_2)
OpenCL	3.0	2.2
OpenGL	4.6	4.6
Shader Model	6.8	6.7
Vulkan
Memory
Maximum RAM amount	16 GB	4 GB
Memory bandwidth	960.0 GB/s	128.0 GB/s
Memory bus width	256 bit	64 bit
Memory clock speed	1875 MHz, 30 Gbps effective	2000 MHz, 16 Gbps effective
Memory type	GDDR7	GDDR6