Nvidia GeForce RTX 4080 vs Nvidia RTX A4000


Nvidia GeForce RTX 4080 on Amazon USA
Nvidia RTX A4000 on Amazon USA

Comparison of the technical characteristics between the graphics cards, with Nvidia GeForce RTX 4080 on one side and Nvidia RTX A4000 on the other side, also their respective performances with the benchmarks. The first is dedicated to the desktop sector, it has 9728 shading units, a maximum frequency of 2.5 GHz, its lithography is 5 nm. The second is used on the desktop segment, it includes 6144 shading units, a maximum frequency of 1.6 GHz, its lithography is 8 nm. The following table also compares the boost clock, the number of shading units (if indicated), of execution units, the amount of cache memory, the maximum memory capacity, the memory bus width, the release date, the number of PCIe lanes, the values ​​obtained in various benchmarks.







Specification comparison:


Graphics card Nvidia GeForce RTX 4080 Nvidia RTX A4000
Market (main) Desktop Desktop
Release date Q4 2022 Q2 2021
Model number AD103-300-A1 GA104-875-A1
GPU name AD103 GA104
Architecture Ada Lovelace Ampere
Generation GeForce 40 Quadro Ampere Ax000
Lithography 5 nm 8 nm
Transistors 45,900,000,000 17,400,000,000
Bus interface PCIe 4.0 x16 PCIe 4.0 x16
GPU base clock 2,205 MHz 735 MHz
GPU boost clock 2,505 MHz 1,560 MHz
Memory frequency 1,400 MHz 1,750 MHz
Effective memory speed 22.4 Gbps 14 Gbps
Memory size 16 GB 16 GB
Memory type GDDR6X GDDR6
Memory bus 256 bit 256 bit
Memory bandwidth 716.8 GB/s 448.0 GB/s
TDP 320 W 140 W
Suggested PSU750W ATX Power Supply 300W ATX Power Supply
Multicard technology - -
Outputs

1x HDMI
3x DisplayPort

4x DisplayPort
Max display resolution

3840 × 2160@240Hz (DP),
7680 x 4320@60Hz (DP),
7680 x 4320@120Hz (2x DP),
7680 x 4320@60Hz (HDMI)

4096 x 2160@120Hz (4x DP),
5120 x 2880@60Hz (4x DP),
7680 x 4320@60Hz (2x DP)
Video decoding H.264, AV1, HEVC AV1
Cores (compute units, SM, SMX) 76 48
Shading units (cuda cores) 9,728 6,144
TMUs 304 192
ROPs 112 96
Tensor cores 304 192
RT cores 76 48
Cache memory 64 MB 4 MB
Pixel fillrate 280.6 GP/s 149.8 GP/s
Texture fillrate 761.5 GT/s 299.5 GT/s
Performance FP16 (half) 48.7 TFLOPS 19.2 TFLOPS
Performance FP32 (float) 48.7 TFLOPS 19.2 TFLOPS
Performance FP64 (double) 761.5 GFLOPS 599 GFLOPS
Amazon
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We can better compare what are the technical differences between the two graphics cards.


Performance comparison with the benchmarks:


Performance comparison between the two processors, for this we consider the results generated on benchmark software such as Geekbench.


FP32 Performance in GFLOPS
Nvidia GeForce RTX 4080 48,737
Nvidia RTX A4000 19,170


The difference is 154%.


Single-precision floating-point format, also called FP32, is a computer number format that typically occupies 32 bits in PC memory. This represents a wide dynamic range of numeric values that employs a floating point. FP32 power helps assess the video card's capabilities for generating rendering workloads. Video games use INT32 and FP32 cores to manage calculations with integers and numbers with decimals in order to produce maps, bone matrices on which the vertex shaders will calculate the vertices. Values in single precision format are mainly used in video games and 3D software.


See also:

Nvidia GeForce RTX 4080 Founders EditionNvidia GeForce RTX 4080 Max-QNvidia GeForce RTX 4080 MobileNvidia GeForce RTX 4080 SuperNvidia GeForce RTX 4080 Ti

Nvidia RTX A4000 Max-QNvidia RTX A4000 MobileNvidia RTX A4000ENvidia RTX A4000H

Equivalence:

Nvidia GeForce RTX 4080 AMD EquivalentNvidia RTX A4000 AMD Equivalent




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