NVIDIA A800 PCIe 80 GB vs NVIDIA GeForce RTX 4080

Comparative analysis of NVIDIA A800 PCIe 80 GB and NVIDIA GeForce RTX 4080 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, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s).

NVIDIA A800 PCIe 80 GB

NVIDIA GeForce RTX 4080

Differences

Reasons to consider the NVIDIA A800 PCIe 80 GB

Videocard is newer: launch date 1 month(s) later
Around 28% lower typical power consumption: 250 Watt vs 320 Watt
5x more maximum memory size: 80 GB vs 16 GB
Around 8% higher memory clock speed: 1512 MHz, 3 Gbps effective vs 1400 MHz, 22.4 Gbps effective

Launch date	8 Nov 2022 vs 20 Sep 2022
Thermal Design Power (TDP)	250 Watt vs 320 Watt
Maximum memory size	80 GB vs 16 GB
Memory clock speed	1512 MHz, 3 Gbps effective vs 1400 MHz, 22.4 Gbps effective

Reasons to consider the NVIDIA GeForce RTX 4080

2.1x more core clock speed: 2205 MHz vs 1065 MHz
Around 78% higher boost clock speed: 2505 MHz vs 1410 MHz
Around 25% higher texture fill rate: 761.5 GTexel/s vs 609.1 GTexel/s
Around 41% higher pipelines: 9728 vs 6912
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 4 nm vs 7 nm
Around 10% better performance in Geekbench - OpenCL: 240303 vs 218774

Specifications (specs)
Core clock speed	2205 MHz vs 1065 MHz
Boost clock speed	2505 MHz vs 1410 MHz
Texture fill rate	761.5 GTexel/s vs 609.1 GTexel/s
Pipelines	9728 vs 6912
Manufacturing process technology	4 nm vs 7 nm
Benchmarks
Geekbench - OpenCL	240303 vs 218774

Compare benchmarks

GPU 1: NVIDIA A800 PCIe 80 GB
GPU 2: NVIDIA GeForce RTX 4080

Geekbench - OpenCL

GPU 1

GPU 2

218774

240303

Name	NVIDIA A800 PCIe 80 GB	NVIDIA GeForce RTX 4080
Geekbench - OpenCL	218774	240303
PassMark - G2D Mark		1234
PassMark - G3D Mark		34559
3DMark Fire Strike - Graphics Score		6561
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		722.769
CompuBench 1.5 Desktop - T-Rex (Frames/s)		72.795
CompuBench 1.5 Desktop - Video Composition (Frames/s)		272.641

Compare specifications (specs)

	NVIDIA A800 PCIe 80 GB	NVIDIA GeForce RTX 4080
Essentials
Architecture	Ampere	Ada Lovelace
Code name	GA100	AD103
Launch date	8 Nov 2022	20 Sep 2022
Place in performance rating	17	14
Technical info
Boost clock speed	1410 MHz	2505 MHz
Core clock speed	1065 MHz	2205 MHz
Manufacturing process technology	7 nm	4 nm
Pipelines	6912	9728
Pixel fill rate	225.6 GPixel/s	280.6 GPixel/s
Texture fill rate	609.1 GTexel/s	761.5 GTexel/s
Thermal Design Power (TDP)	250 Watt	320 Watt
Transistor count	54200 million	45900 million
Peak Double Precision (FP64) Performance		761.5 GFLOPS (1:64)
Peak Half Precision (FP16) Performance		48.74 TFLOPS (1:1)
Peak Single Precision (FP32) Performance		48.74 TFLOPS
Video outputs and ports
Display Connectors	No outputs	1x HDMI 2.1, 3x DisplayPort 1.4a
Compatibility, dimensions and requirements
Form factor	Dual-slot	Triple-slot
Interface	PCIe 4.0 x16	PCIe 4.0 x16
Length	267 mm, 10.5 inches	310 mm, 12.2 inches
Recommended system power (PSU)	600 Watt	700 Watt
Supplementary power connectors	8-pin EPS	1x 16-pin
Width	111 mm, 4.4 inches	140 mm, 5.5 inches
Height		61 mm, 2.4 inches
API support
OpenCL	3.0	3.0
DirectX		12 Ultimate (12_2)
OpenGL		4.6
Shader Model		6.7
Vulkan
Memory
Maximum RAM amount	80 GB	16 GB
Memory bandwidth	1.94 TB/s	716.8 GB/s
Memory bus width	5120 bit	256 bit
Memory clock speed	1512 MHz, 3 Gbps effective	1400 MHz, 22.4 Gbps effective
Memory type	HBM2e	GDDR6X