GeForce GTX TITAN X vs A40 PCIe
We compared two Desktop platform GPUs: 12GB VRAM GeForce GTX TITAN X and 48GB VRAM A40 PCIe to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX TITAN X 's Advantages
Lower TDP (250W vs 300W)
A40 PCIe 's Advantages
Released 5 years and 7 months late
Boost Clock has increased by 60% (1740MHz vs 1089MHz)
More VRAM (48GB vs 12GB)
Larger VRAM bandwidth (695.8GB/s vs 336.6GB/s)
7680 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTX TITAN X
6691
A40 PCIe
+459%
37420
Blender
GeForce GTX TITAN X
543
A40 PCIe
+634%
3990
Graphics Card
Mar 2015
Release Date
Oct 2020
GeForce 900
Generation
Tesla
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
1000 MHz
Base Clock
1305 MHz
1089 MHz
Boost Clock
1740 MHz
1753 MHz
Memory Clock
1812 MHz
Memory
12GB
Memory Size
48GB
GDDR5
Memory Type
GDDR6
384bit
Memory Bus
384bit
336.6GB/s
Bandwidth
695.8GB/s
Render Config
-
SM Count
84
3072
Shading Units
10752
192
TMUs
336
96
ROPs
112
-
Tensor Cores
336
-
RT Cores
84
48 KB (per SMM)
L1 Cache
128 KB (per SM)
3 MB
L2 Cache
6 MB
Theoretical Performance
104.5 GPixel/s
Pixel Rate
194.9 GPixel/s
209.1 GTexel/s
Texture Rate
584.6 GTexel/s
-
FP16 (half)
37.42 TFLOPS
6.691 TFLOPS
FP32 (float)
37.42 TFLOPS
209.1 GFLOPS
FP64 (double)
584.6 GFLOPS
Board Design
250W
TDP
300W
600 W
Suggested PSU
700 W
1x DVI
1x HDMI 2.0
3x DisplayPort 1.4a
Outputs
3x DisplayPort 1.4a
1x 6-pin + 1x 8-pin
Power Connectors
8-pin EPS
Graphics Processor
GM200
GPU Name
GA102
GM200-400-A1
GPU Variant
-
Maxwell 2.0
Architecture
Ampere
TSMC
Foundry
Samsung
28 nm
Process Size
8 nm
8 billion
Transistors
28.3 billion
601 mm²
Die Size
628 mm²
Graphics Features
12 (12_1)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.3
5.2
CUDA
8.6
6.4
Shader Model
6.6
