NVIDIA A800 PCIe 80 GB vs AMD Radeon RX 7900 XT

Comparative analysis of NVIDIA A800 PCIe 80 GB and AMD Radeon RX 7900 XT 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 - 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).

NVIDIA A800 PCIe 80 GB

AMD Radeon RX 7900 XT

Differences

Reasons to consider the NVIDIA A800 PCIe 80 GB

Around 29% higher pipelines: 6912 vs 5376
Around 20% lower typical power consumption: 250 Watt vs 300 Watt
4x more maximum memory size: 80 GB vs 20 GB
Around 29% better performance in Geekbench - OpenCL: 218774 vs 169604

Specifications (specs)
Pipelines	6912 vs 5376
Thermal Design Power (TDP)	250 Watt vs 300 Watt
Maximum memory size	80 GB vs 20 GB
Benchmarks
Geekbench - OpenCL	218774 vs 169604

Reasons to consider the AMD Radeon RX 7900 XT

Around 41% higher core clock speed: 1500 MHz vs 1065 MHz
Around 70% higher boost clock speed: 2394 MHz vs 1410 MHz
Around 32% higher texture fill rate: 804.4 GTexel/s vs 609.1 GTexel/s
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 5 nm vs 7 nm
Around 65% higher memory clock speed: 2500 MHz, 20 Gbps effective vs 1512 MHz, 3 Gbps effective

Core clock speed	1500 MHz vs 1065 MHz
Boost clock speed	2394 MHz vs 1410 MHz
Texture fill rate	804.4 GTexel/s vs 609.1 GTexel/s
Manufacturing process technology	5 nm vs 7 nm
Memory clock speed	2500 MHz, 20 Gbps effective vs 1512 MHz, 3 Gbps effective

Compare benchmarks

GPU 1: NVIDIA A800 PCIe 80 GB
GPU 2: AMD Radeon RX 7900 XT

Geekbench - OpenCL

GPU 1

GPU 2

218774

169604

Name	NVIDIA A800 PCIe 80 GB	AMD Radeon RX 7900 XT
Geekbench - OpenCL	218774	169604
PassMark - G2D Mark		1200
PassMark - G3D Mark		28874
3DMark Fire Strike - Graphics Score		5620
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		343.519
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		12483.531
CompuBench 1.5 Desktop - T-Rex (Frames/s)		60.185
CompuBench 1.5 Desktop - Video Composition (Frames/s)		320.733
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		2714.187

Compare specifications (specs)

	NVIDIA A800 PCIe 80 GB	AMD Radeon RX 7900 XT
Essentials
Architecture	Ampere	RDNA 3.0
Code name	GA100	Navi 31
Launch date	8 Nov 2022	3 Nov 2022
Place in performance rating	19	16
Technical info
Boost clock speed	1410 MHz	2394 MHz
Core clock speed	1065 MHz	1500 MHz
Manufacturing process technology	7 nm	5 nm
Pipelines	6912	5376
Pixel fill rate	225.6 GPixel/s	459.6 GPixel/s
Texture fill rate	609.1 GTexel/s	804.4 GTexel/s
Thermal Design Power (TDP)	250 Watt	300 Watt
Transistor count	54200 million	57700 million
Compute units		84
Peak Double Precision (FP64) Performance		3.218 TFLOPS (1:16)
Peak Half Precision (FP16) Performance		103.0 TFLOPS (2:1)
Peak Single Precision (FP32) Performance		51.48 TFLOPS
Video outputs and ports
Display Connectors	No outputs	1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C
Compatibility, dimensions and requirements
Form factor	Dual-slot	Dual-slot
Interface	PCIe 4.0 x16	PCIe 4.0 x16
Length	267 mm, 10.5 inches	276 mm, 10.9 inches
Recommended system power (PSU)	600 Watt	700 Watt
Supplementary power connectors	8-pin EPS	2x 8-pin
Width	111 mm, 4.4 inches	135 mm, 5.3 inches
Height		51 mm, 2 inches
API support
OpenCL	3.0	2.1
DirectX		12 Ultimate (12_2)
OpenGL		4.6
Shader Model		6.7
Vulkan
Memory
Maximum RAM amount	80 GB	20 GB
Memory bandwidth	1.94 TB/s	800.0 GB/s
Memory bus width	5120 bit	320 bit
Memory clock speed	1512 MHz, 3 Gbps effective	2500 MHz, 20 Gbps effective
Memory type	HBM2e	GDDR6