NVIDIA A40 vs AMD Radeon RX 6800 XT

Comparative analysis of NVIDIA A40 and AMD Radeon RX 6800 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, CompuBench 1.5 Desktop - Face Detection (mPixels/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), 3DMark Fire Strike - Graphics Score.

NVIDIA A40

AMD Radeon RX 6800 XT

Differences

Reasons to consider the NVIDIA A40

2.3x more pipelines: 10752 vs 4608
3x more maximum memory size: 48 GB vs 16 GB
Around 25% better performance in Geekbench - OpenCL: 187606 vs 150072

Specifications (specs)
Pipelines	10752 vs 4608
Maximum memory size	48 GB vs 16 GB
Benchmarks
Geekbench - OpenCL	187606 vs 150072

Reasons to consider the AMD Radeon RX 6800 XT

Around 40% higher core clock speed: 1825 MHz vs 1305 MHz
Around 29% higher boost clock speed: 2250 MHz vs 1740 MHz
Around 11% higher texture fill rate: 648.0 GTexel/s vs 584.6 GTexel/s
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 7 nm vs 8 nm
Around 10% higher memory clock speed: 2000 MHz (16 Gbps effective) vs 1812 MHz (14.5 Gbps effective)
Around 73% better performance in PassMark - G2D Mark: 1020 vs 589
Around 88% better performance in PassMark - G3D Mark: 25107 vs 13371

Specifications (specs)
Core clock speed	1825 MHz vs 1305 MHz
Boost clock speed	2250 MHz vs 1740 MHz
Texture fill rate	648.0 GTexel/s vs 584.6 GTexel/s
Manufacturing process technology	7 nm vs 8 nm
Memory clock speed	2000 MHz (16 Gbps effective) vs 1812 MHz (14.5 Gbps effective)
Benchmarks
PassMark - G2D Mark	1020 vs 589
PassMark - G3D Mark	25107 vs 13371

Compare benchmarks

GPU 1: NVIDIA A40
GPU 2: AMD Radeon RX 6800 XT

Geekbench - OpenCL

GPU 1

GPU 2

187606

150072

PassMark - G2D Mark

GPU 1

GPU 2

589

1020

PassMark - G3D Mark

GPU 1

GPU 2

13371

25107

Name	NVIDIA A40	AMD Radeon RX 6800 XT
Geekbench - OpenCL	187606	150072
PassMark - G2D Mark	589	1020
PassMark - G3D Mark	13371	25107
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		578.52
CompuBench 1.5 Desktop - T-Rex (Frames/s)		52.561
CompuBench 1.5 Desktop - Video Composition (Frames/s)		291.971
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		2700.97
GFXBench 4.0 - Car Chase Offscreen (Frames)		16849
GFXBench 4.0 - Manhattan (Frames)		3720
GFXBench 4.0 - T-Rex (Frames)		3374
GFXBench 4.0 - Car Chase Offscreen (Fps)		16849
GFXBench 4.0 - Manhattan (Fps)		3720
GFXBench 4.0 - T-Rex (Fps)		3374
3DMark Fire Strike - Graphics Score		19416

Compare specifications (specs)

	NVIDIA A40	AMD Radeon RX 6800 XT
Essentials
Architecture	Ampere	RDNA 2.0
Code name	GA102	Navi 21
Launch date	5 Oct 2020	28 Oct 2020
Place in performance rating	60	62
Launch price (MSRP)		$649
Type		Desktop
Technical info
Boost clock speed	1740 MHz	2250 MHz
Core clock speed	1305 MHz	1825 MHz
Manufacturing process technology	8 nm	7 nm
Peak Double Precision (FP64) Performance	1169 GFLOPS (1:32)	1296 GFLOPS (1:16)
Peak Half Precision (FP16) Performance	37.42 TFLOPS (1:1)	41.47 TFLOPS (2:1)
Peak Single Precision (FP32) Performance	37.42 TFLOPS	20.74 TFLOPS
Pipelines	10752	4608
Pixel fill rate	194.9 GPixel/s	288.0 GPixel/s
Texture fill rate	584.6 GTexel/s	648.0 GTexel/s
Thermal Design Power (TDP)	300 Watt	300 Watt
Transistor count	28300 million	26800 million
Compute units		72
Video outputs and ports
Display Connectors	3x DisplayPort	1x HDMI, 2x DisplayPort, 1x USB Type-C
Compatibility, dimensions and requirements
Form factor	Dual-slot
Interface	PCIe 4.0 x16	PCIe 4.0 x16
Length	267 mm (10.5 inches)	267 mm (10.5 inches)
Recommended system power (PSU)	700 Watt	700 Watt
Supplementary power connectors	8-pin EPS	2x 8-pin
Width	112 mm (4.4 inches)	120 mm (4.7 inches)
Height		50 mm (2 inches)
API support
DirectX	12.2	12.2
OpenCL	3.0	2.1
OpenGL	4.6	4.6
Shader Model	6.6	6.5
Vulkan
Memory
Maximum RAM amount	48 GB	16 GB
Memory bandwidth	695.8 GB/s	512.0 GB/s
Memory bus width	384 bit	256 bit
Memory clock speed	1812 MHz (14.5 Gbps effective)	2000 MHz (16 Gbps effective)
Memory type	GDDR6	GDDR6