NVIDIA GeForce RTX 4080 Ti vs AMD Radeon HD 6390

Comparative analysis of NVIDIA GeForce RTX 4080 Ti and AMD Radeon HD 6390 videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory.

NVIDIA GeForce RTX 4080 Ti

AMD Radeon HD 6390

Differences

Reasons to consider the NVIDIA GeForce RTX 4080 Ti

Videocard is newer: launch date 14 year(s) 0 month(s) later
3.8x more core clock speed: 2100 MHz vs 550 MHz
120x more texture fill rate: 1,056 GTexel/s vs 8.8 GTexel / s
44x more pipelines: 14080 vs 320
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 4 nm vs 40 nm
20x more maximum memory size: 20 GB vs 1 GB
Around 33% higher memory clock speed: 1325 MHz, 21.2 Gbps effective vs 1000 MHz

Launch date	2023 vs 4 July 2011
Core clock speed	2100 MHz vs 550 MHz
Texture fill rate	1,056 GTexel/s vs 8.8 GTexel / s
Pipelines	14080 vs 320
Manufacturing process technology	4 nm vs 40 nm
Maximum memory size	20 GB vs 1 GB
Memory clock speed	1325 MHz, 21.2 Gbps effective vs 1000 MHz

Reasons to consider the AMD Radeon HD 6390

10.3x lower typical power consumption: 39 Watt vs 400 Watt

Thermal Design Power (TDP)	39 Watt vs 400 Watt

Compare specifications (specs)

	NVIDIA GeForce RTX 4080 Ti	AMD Radeon HD 6390
Essentials
Architecture	Ada Lovelace	TeraScale 2
Code name	AD102	Redwood
Launch date	2023	4 July 2011
Place in performance rating	not rated	not rated
Type		Desktop
Technical info
Boost clock speed	2400 MHz
Core clock speed	2100 MHz	550 MHz
Manufacturing process technology	4 nm	40 nm
Peak Double Precision (FP64) Performance	1,056 GFLOPS (1:64)
Peak Half Precision (FP16) Performance	67.58 TFLOPS (1:1)
Peak Single Precision (FP32) Performance	67.58 TFLOPS
Pipelines	14080	320
Pixel fill rate	345.6 GPixel/s
Texture fill rate	1,056 GTexel/s	8.8 GTexel / s
Thermal Design Power (TDP)	400 Watt	39 Watt
Transistor count	76300 million	627 million
Floating-point performance		352.0 gflops
Video outputs and ports
Display Connectors	1x HDMI 2.1, 3x DisplayPort 1.4a	1x DVI, 1x HDMI, 1x VGA
Compatibility, dimensions and requirements
Form factor	Triple-slot
Height	61 mm, 2.4 inches
Interface	PCIe 4.0 x16	PCIe 2.0 x16
Length	336 mm, 13.2 inches	165 mm
Recommended system power (PSU)	800 Watt
Supplementary power connectors	1x 16-pin	None
Width	140 mm, 5.5 inches
API support
DirectX	12 Ultimate (12_2)	11.2 (11_0)
OpenCL	3.0
OpenGL	4.6	4.4
Shader Model	6.7
Vulkan
Memory
Maximum RAM amount	20 GB	1 GB
Memory bandwidth	848.0 GB/s	16 GB / s
Memory bus width	320 bit	128 Bit
Memory clock speed	1325 MHz, 21.2 Gbps effective	1000 MHz
Memory type	GDDR6X	DDR2