NVIDIA T400 4GB vs NVIDIA RTX A2000 Mobile

Comparative analysis of NVIDIA T400 4GB and NVIDIA RTX A2000 Mobile 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 - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps).

NVIDIA T400 4GB

NVIDIA RTX A2000 Mobile

Differences

Reasons to consider the NVIDIA T400 4GB

3.2x lower typical power consumption: 30 Watt vs 95 Watt
Around 35% better performance in PassMark - G2D Mark: 665 vs 493

Specifications (specs)
Thermal Design Power (TDP)	30 Watt vs 95 Watt
Benchmarks
PassMark - G2D Mark	665 vs 493

Reasons to consider the NVIDIA RTX A2000 Mobile

Around 75% higher core clock speed: 735 MHz vs 420 MHz
Around 27% higher boost clock speed: 1815 MHz vs 1425 MHz
4.2x more texture fill rate: 145.2 GTexel/s vs 34.20 GTexel/s
6.7x more pipelines: 2560 vs 384
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 8 nm vs 12 nm
Around 20% higher memory clock speed: 1500 MHz (12 Gbps effective) vs 1250 MHz, 10 Gbps effective
2.6x better performance in PassMark - G3D Mark: 9765 vs 3799
3.3x better performance in Geekbench - OpenCL: 56688 vs 17251

Specifications (specs)
Core clock speed	735 MHz vs 420 MHz
Boost clock speed	1815 MHz vs 1425 MHz
Texture fill rate	145.2 GTexel/s vs 34.20 GTexel/s
Pipelines	2560 vs 384
Manufacturing process technology	8 nm vs 12 nm
Memory clock speed	1500 MHz (12 Gbps effective) vs 1250 MHz, 10 Gbps effective
Benchmarks
PassMark - G3D Mark	9765 vs 3799
Geekbench - OpenCL	56688 vs 17251

Compare benchmarks

GPU 1: NVIDIA T400 4GB
GPU 2: NVIDIA RTX A2000 Mobile

PassMark - G2D Mark

GPU 1

GPU 2

665

493

PassMark - G3D Mark

GPU 1

GPU 2

3799

9765

Geekbench - OpenCL

GPU 1

GPU 2

17251

56688

Name	NVIDIA T400 4GB	NVIDIA RTX A2000 Mobile
PassMark - G2D Mark	665	493
PassMark - G3D Mark	3799	9765
Geekbench - OpenCL	17251	56688
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		202.984
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		2138.158
CompuBench 1.5 Desktop - T-Rex (Frames/s)		16.498
CompuBench 1.5 Desktop - Video Composition (Frames/s)		151.433
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		729.947
GFXBench 4.0 - Car Chase Offscreen (Frames)		12750
GFXBench 4.0 - Manhattan (Frames)		3708
GFXBench 4.0 - T-Rex (Frames)		3355
GFXBench 4.0 - Car Chase Offscreen (Fps)		12750
GFXBench 4.0 - Manhattan (Fps)		3708
GFXBench 4.0 - T-Rex (Fps)		3355

Compare specifications (specs)

	NVIDIA T400 4GB	NVIDIA RTX A2000 Mobile
Essentials
Architecture	Turing	Ampere
Code name	TU117	GA106
Launch date	6 May 2021
Place in performance rating	273	272
Technical info
Boost clock speed	1425 MHz	1815 MHz
Core clock speed	420 MHz	735 MHz
Manufacturing process technology	12 nm	8 nm
Peak Double Precision (FP64) Performance	34.20 GFLOPS (1:32)	145.2 GFLOPS (1:64)
Peak Half Precision (FP16) Performance	2.189 TFLOPS (2:1)	9.293 TFLOPS (1:1)
Peak Single Precision (FP32) Performance	1,094 GFLOPS	9.293 TFLOPS
Pipelines	384	2560
Pixel fill rate	22.80 GPixel/s	87.12 GPixel/s
Texture fill rate	34.20 GTexel/s	145.2 GTexel/s
Thermal Design Power (TDP)	30 Watt	95 Watt
Transistor count	4700 million	13250 million
Video outputs and ports
Display Connectors	3x mini-DisplayPort 1.4a	No outputs
Compatibility, dimensions and requirements
Form factor	Single-slot
Interface	PCIe 3.0 x16	PCIe 4.0 x16
Recommended system power (PSU)	200 Watt
Supplementary power connectors	None	None
API support
DirectX	12 (12_1)	12.2
OpenCL	3.0	3.0
OpenGL	4.6	4.6
Shader Model	6.7 (6.4)	6.6
Vulkan
Memory
Maximum RAM amount	4 GB	4 GB
Memory bandwidth	80.00 GB/s	192 GB/s
Memory bus width	64 bit	128 bit
Memory clock speed	1250 MHz, 10 Gbps effective	1500 MHz (12 Gbps effective)
Memory type	GDDR6	GDDR6