NVIDIA GeForce RTX 5090 D V2 vs NVIDIA A800 SXM4 80 GB
GPU · Specs Compare
Graphics Card
Release Date
Aug 2025
Aug 2022
Generation
GeForce 50
Ampere
Type
Desktop
AI GPU
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
2017 MHz
1155 MHz
Boost Clock
2407 MHz
1410 MHz
Memory Clock
1750 MHz
1593 MHz
Memory
Memory Size
24GB
80GB
Memory Type
GDDR7
HBM2e
Memory Bus
384bit
5120bit
Bandwidth
1.34TB/s
2039GB/s
Render Config
SM Count
170
108
Shading Units
21760
6912
TMUs
680
432
ROPs
176
160
Tensor Cores
680
432
RT Cores
170
—
L1 Cache
128 KB (per SM)
192 KB (per SM)
L2 Cache
96 MB
40 MB
Theoretical Performance
Pixel Rate
423.6 GPixel/s
225.6 GPixel/s
Texture Rate
1636.8 GTexel/s
609.1 GTexel/s
FP16 (half)
104.8 TFLOPS
77.97 TFLOPS
FP32 (float)
104.8 TFLOPS
19.49 TFLOPS
FP64 (double)
1.637 TFLOPS
9.746 TFLOPS
Graphics Processor
GPU Name
GB202
GA100
GPU Variant
GB202-240-K1-A1
—
Architecture
Blackwell 2.0
Ampere
Foundry
TSMC
TSMC
Process Size
5 nm
7 nm
Transistors
92.2 billion
54.2 billion
Die Size
750 mm²
826 mm²
Board Design
TDP
575W
400W
Suggested PSU
950 W
800 W
Outputs
1x HDMI 2.1b3x DisplayPort 2.1b
No outputs
Power Connectors
1x 16-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
N/A
OpenCL
3.0
3.0
Vulkan
1.4
N/A
CUDA
12.0
8.0
Shader Model
6.8
N/A
Benchmark
3DMark Time Spy
46,950
—
3DMark Time Spy Extreme
25,185
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.