NVIDIA A800 PCIe 80 GB vs NVIDIA GeForce RTX 5080
GPU Specs Compare
Graphics Card
Release Date
Nov 2022
Jan 2025
Generation
Ampere
GeForce 50
Type
AI GPU
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1065 MHz
2295 MHz
Boost Clock
1410 MHz
2617 MHz
Memory Clock
1593 MHz
1875 MHz
Memory
Memory Size
80GB
16GB
Memory Type
HBM2e
GDDR7
Memory Bus
5120bit
256bit
Bandwidth
2039GB/s
960.0GB/s
Render Config
SM Count
108
84
Shading Units
6912
10752
TMUs
432
336
ROPs
160
112
Tensor Cores
432
336
L1 Cache
192 KB (per SM)
128 KB (per SM)
L2 Cache
80 MB
64 MB
RT Cores
-
84
Theoretical Performance
Pixel Rate
225.6 GPixel/s
293.1 GPixel/s
Texture Rate
609.1 GTexel/s
879.3 GTexel/s
FP16 (half)
77.97 TFLOPS
56.28 TFLOPS
FP32 (float)
19.49 TFLOPS
56.28 TFLOPS
FP64 (double)
9.746 TFLOPS
879.3 GFLOPS
Graphics Processor
GPU Name
GA100
GB203
Architecture
Ampere
Blackwell 2.0
Foundry
TSMC
TSMC
Process Size
7 nm
5 nm
Transistors
54.2 billion
45.6 billion
Die Size
826 mm²
378 mm²
GPU Variant
-
GB203-400-A1
Board Design
TDP
250W
360W
Suggested PSU
600 W
750 W
Outputs
No outputs
1x HDMI 2.1b3x DisplayPort 2.1b
Power Connectors
8-pin EPS
1x 16-pin
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
3.0
Vulkan
N/A
1.4
CUDA
8.0
12.0
Shader Model
N/A
6.8
📊 Benchmark
Blender
3,719
-
3DMark Time Spy
-
33,116
3DMark Time Spy Extreme
-
16,627
3DMark Speed Way
-
9,296