Home GPU Comparison NVIDIA A40 PCIe vs NVIDIA GeForce GTX 1080 Ti 12 GB

NVIDIA A40 PCIe vs NVIDIA GeForce GTX 1080 Ti 12 GB

We compared two Desktop platform GPUs: 48GB VRAM A40 PCIe and 12GB VRAM GeForce GTX 1080 Ti 12 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A40 PCIe 's Advantages
Boost Clock has increased by 4% (1740MHz vs 1670MHz)
More VRAM (48GB vs 12GB)
Larger VRAM bandwidth (695.8GB/s vs 528.4GB/s)
7552 additional rendering cores
NVIDIA GeForce GTX 1080 Ti 12 GB 's Advantages
Lower TDP (250W vs 300W)

Score

Benchmark

FP32 (float)
A40 PCIe +250%
37.42 TFLOPS
GeForce GTX 1080 Ti 12 GB
10.69 TFLOPS
VS

Graphics Card

Oct 2020
Release Date
Unknown
Tesla
Generation
GeForce 10
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

1305 MHz
Base Clock
1557 MHz
1740 MHz
Boost Clock
1670 MHz
1812 MHz
Memory Clock
1376 MHz

Memory

48GB
Memory Size
12GB
GDDR6
Memory Type
GDDR5X
384bit
Memory Bus
384bit
695.8GB/s
Bandwidth
528.4GB/s

Render Config

-
-
-
84
SM Count
25
10752
Shading Units
3200
336
TMUs
200
112
ROPs
80
336
Tensor Cores
-
84
RT Cores
-
128 KB (per SM)
L1 Cache
48 KB (per SM)
6 MB
L2 Cache
0 MB
-
-
-

Theoretical Performance

194.9 GPixel/s
Pixel Rate
133.6 GPixel/s
584.6 GTexel/s
Texture Rate
334.0 GTexel/s
37.42 TFLOPS
FP16 (half)
167.0 GFLOPS
37.42 TFLOPS
FP32 (float)
10.69 TFLOPS
584.6 GFLOPS
FP64 (double)
334.0 GFLOPS

Board Design

300W
TDP
250W
700 W
Suggested PSU
600 W
3x DisplayPort 1.4a
Outputs
1x HDMI 2.0 3x DisplayPort 1.4a
8-pin EPS
Power Connectors
1x 6-pin + 1x 8-pin

Graphics Processor

GA102
GPU Name
GP102
-
-
-
Ampere
Architecture
Pascal
Samsung
Foundry
TSMC
8 nm
Process Size
16 nm
28.3 billion
Transistors
11.8 billion
628 mm²
Die Size
471 mm²

Graphics Features

12 Ultimate (12_2)
DirectX
12 (12_1)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.3
8.6
CUDA
6.1
6.6
Shader Model
6.7

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