NVIDIA GeForce RTX 5090 Mobile vs NVIDIA A800 PCIe 80 GB
GPU Specs Compare
Graphics Card
Release Date
Mar 2025
Nov 2022
Generation
GeForce 50 Mobile
Ampere
Type
Mobile
AI GPU
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
990 MHz
1065 MHz
Boost Clock
1515 MHz
1410 MHz
Memory Clock
1750 MHz
1593 MHz
Memory
Memory Size
24GB
80GB
Memory Type
GDDR7
HBM2e
Memory Bus
256bit
5120bit
Bandwidth
896.0GB/s
2039GB/s
Render Config
SM Count
82
108
Shading Units
10496
6912
TMUs
328
432
ROPs
112
160
Tensor Cores
328
432
RT Cores
82
-
L1 Cache
128 KB (per SM)
192 KB (per SM)
L2 Cache
64 MB
80 MB
Theoretical Performance
Pixel Rate
169.7 GPixel/s
225.6 GPixel/s
Texture Rate
496.9 GTexel/s
609.1 GTexel/s
FP16 (half)
31.80 TFLOPS
77.97 TFLOPS
FP32 (float)
31.80 TFLOPS
19.49 TFLOPS
FP64 (double)
496.9 GFLOPS
9.746 TFLOPS
Graphics Processor
GPU Name
GB203
GA100
GPU Variant
GN22-X11-A1
-
Architecture
Blackwell 2.0
Ampere
Foundry
TSMC
TSMC
Process Size
5 nm
7 nm
Transistors
45.6 billion
54.2 billion
Die Size
378 mm²
826 mm²
Board Design
TDP
95W
250W
Suggested PSU
550 W
600 W
Outputs
Portable Device Dependent
No outputs
Power Connectors
None
8-pin EPS
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
Blender
8,089
3,719