Home GPU Comparison NVIDIA Tesla P40 vs NVIDIA A800 PCIe 40 GB

NVIDIA Tesla P40 vs NVIDIA A800 PCIe 40 GB

We compared a Professional market GPU: 24GB VRAM Tesla P40 and a GPU: 40GB VRAM A800 PCIe 40 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla P40's Advantages
Boost Clock has increased by 9% (1531MHz vs 1410MHz)
NVIDIA A800 PCIe 40 GB's Advantages
Released 6 years and 2 months late
More VRAM (40GB vs 24GB)
Larger VRAM bandwidth (1555GB/s vs 347.1GB/s)
3072 additional rendering cores

Score

Benchmark

FP32 (float)
Tesla P40
11.76 TFLOPS
A800 PCIe 40 GB +65%
19.49 TFLOPS
VS

Graphics Card

Sep 2016
Release Date
Nov 2022
Tesla Pascal
Generation
Ampere
Professional
Type
AI GPU
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x16

Clock Speeds

1303MHz
Base Clock
765MHz
1531MHz
Boost Clock
1410MHz
1808MHz
Memory Clock
1215MHz

Memory

24GB
Memory Size
40GB
GDDR5
Memory Type
HBM2e
384bit
Memory Bus
5120bit
347.1 GB/s
Bandwidth
1555 GB/s

Render Config

30
SM Count
108
-
Compute Units
-
3840
Shading Units
6912
240
TMUs
432
96
ROPs
160
-
Tensor Cores
432
-
RT Cores
-
48 KB (per SM)
L1 Cache
192 KB (per SM)
3MB
L2 Cache
40MB

Theoretical Performance

147.0 GPixel/s
Pixel Rate
225.6 GPixel/s
367.4 GTexel/s
Texture Rate
609.1 GTexel/s
183.7 GFLOPS
FP16 (half)
77.97 TFLOPS
11.76 TFLOPS
FP32 (float)
19.49 TFLOPS
367.4 GFLOPS
FP64 (double)
9.746 TFLOPS

Graphics Processor

GP102
GPU Name
GA100
-
GPU Variant
-
Pascal
Architecture
Ampere
TSMC
Foundry
TSMC
16 nm
Process Size
7 nm
11,800 million
Transistors
54,200 million
471mm²
Die Size
826mm²

Board Design

250W
TDP
250W
600W
Suggested PSU
600W
No outputs
Outputs
No outputs
8-pin EPS
Power Connectors
8-pin EPS

Graphics Features

12 (12_1)
DirectX
N/A
4.6
OpenGL
N/A
3.0
OpenCL
3.0
1.3
Vulkan
N/A
6.1
CUDA
8.0
6.7
Shader Model
N/A

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