NVIDIA GeForce RTX 5080 vs NVIDIA A40 PCIe
GPU Specs Compare
Graphics Card
Release Date
Jan 2025
Oct 2020
Generation
GeForce 50
Tesla
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
2295 MHz
1305 MHz
Boost Clock
2617 MHz
1740 MHz
Memory Clock
1875 MHz
1812 MHz
Memory
Memory Size
16GB
48GB
Memory Type
GDDR7
GDDR6
Memory Bus
256bit
384bit
Bandwidth
960.0GB/s
695.8GB/s
Render Config
SM Count
84
84
Shading Units
10752
10752
TMUs
336
336
ROPs
112
112
Tensor Cores
336
336
RT Cores
84
84
L1 Cache
128 KB (per SM)
128 KB (per SM)
L2 Cache
64 MB
6 MB
Theoretical Performance
Pixel Rate
293.1 GPixel/s
194.9 GPixel/s
Texture Rate
879.3 GTexel/s
584.6 GTexel/s
FP16 (half)
56.28 TFLOPS
37.42 TFLOPS
FP32 (float)
56.28 TFLOPS
37.42 TFLOPS
FP64 (double)
879.3 GFLOPS
584.6 GFLOPS
Graphics Processor
GPU Name
GB203
GA102
GPU Variant
GB203-400-A1
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Architecture
Blackwell 2.0
Ampere
Foundry
TSMC
Samsung
Process Size
5 nm
8 nm
Transistors
45.6 billion
28.3 billion
Die Size
378 mm²
628 mm²
Board Design
TDP
360W
300W
Suggested PSU
750 W
700 W
Outputs
1x HDMI 2.1b3x DisplayPort 2.1b
3x DisplayPort 1.4a
Power Connectors
1x 16-pin
8-pin EPS
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.4
1.3
CUDA
12.0
8.6
Shader Model
6.8
6.6
📊 Benchmark
3DMark Time Spy
33,116
-
3DMark Time Spy Extreme
16,627
-
3DMark Speed Way
9,296
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