NVIDIA T400 4GB vs AMD Radeon R9 390 X2

Comparative analysis of NVIDIA T400 4GB and AMD Radeon R9 390 X2 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, CompuBench 1.5 Desktop - T-Rex (Frames/s).

NVIDIA T400 4GB

AMD Radeon R9 390 X2

Differences

Reasons to consider the NVIDIA T400 4GB

Videocard is newer: launch date 5 year(s) 8 month(s) later
15.8x more texture fill rate: 34.20 GTexel/s vs 2x 160.0 GTexel / s billion / sec
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 12 nm vs 28 nm
19.3x lower typical power consumption: 30 Watt vs 580 Watt

Launch date	6 May 2021 vs 3 September 2015
Texture fill rate	34.20 GTexel/s vs 2x 160.0 GTexel / s billion / sec
Manufacturing process technology	12 nm vs 28 nm
Thermal Design Power (TDP)	30 Watt vs 580 Watt

Reasons to consider the AMD Radeon R9 390 X2

2.4x more core clock speed: 1000 MHz vs 420 MHz
13.3x more pipelines: 2x 2560 vs 384
4x more maximum memory size: 2x 8 GB vs 4 GB
4.3x more memory clock speed: 5400 MHz vs 1250 MHz, 10 Gbps effective

Core clock speed	1000 MHz vs 420 MHz
Pipelines	2x 2560 vs 384
Maximum memory size	2x 8 GB vs 4 GB
Memory clock speed	5400 MHz vs 1250 MHz, 10 Gbps effective

Compare benchmarks

GPU 1: NVIDIA T400 4GB
GPU 2: AMD Radeon R9 390 X2

Name	NVIDIA T400 4GB	AMD Radeon R9 390 X2
PassMark - G2D Mark	654
PassMark - G3D Mark	3767
Geekbench - OpenCL	17225
CompuBench 1.5 Desktop - T-Rex (Frames/s)		21.128

Compare specifications (specs)

	NVIDIA T400 4GB	AMD Radeon R9 390 X2
Essentials
Architecture	Turing	GCN 2.0
Code name	TU117	Grenada
Launch date	6 May 2021	3 September 2015
Place in performance rating	259	257
Launch price (MSRP)		$1,399
Type		Desktop
Technical info
Boost clock speed	1425 MHz
Core clock speed	420 MHz	1000 MHz
Manufacturing process technology	12 nm	28 nm
Peak Double Precision (FP64) Performance	34.20 GFLOPS (1:32)
Peak Half Precision (FP16) Performance	2.189 TFLOPS (2:1)
Peak Single Precision (FP32) Performance	1,094 GFLOPS
Pipelines	384	2x 2560
Pixel fill rate	22.80 GPixel/s
Texture fill rate	34.20 GTexel/s	2x 160.0 GTexel / s billion / sec
Thermal Design Power (TDP)	30 Watt	580 Watt
Transistor count	4700 million	6,200 million
Floating-point performance		2x 5,120 gflops
Video outputs and ports
Display Connectors	3x mini-DisplayPort 1.4a	2x DVI, 1x HDMI, 1x DisplayPort
Compatibility, dimensions and requirements
Form factor	Single-slot
Interface	PCIe 3.0 x16	PCIe 3.0 x16
Recommended system power (PSU)	200 Watt
Supplementary power connectors	None	4x 8-pin
API support
DirectX	12 (12_1)	12.0 (12_0)
OpenCL	3.0
OpenGL	4.6	4.5
Shader Model	6.7 (6.4)
Vulkan
Memory
Maximum RAM amount	4 GB	2x 8 GB
Memory bandwidth	80.00 GB/s	2x 345.6 GB / s
Memory bus width	64 bit	2x 512 Bit
Memory clock speed	1250 MHz, 10 Gbps effective	5400 MHz
Memory type	GDDR6	GDDR5