NVIDIA T1000 vs NVIDIA A40 PCIe
We compared two Desktop platform GPUs: 4GB VRAM T1000 and 48GB VRAM A40 PCIe to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA T1000 's Advantages
Released 7 months late
Lower TDP (50W vs 300W)
NVIDIA A40 PCIe 's Advantages
Boost Clock has increased by 25% (1740MHz vs 1395MHz)
More VRAM (48GB vs 4GB)
Larger VRAM bandwidth (695.8GB/s vs 160.0GB/s)
9856 additional rendering cores
Score
Benchmark
FP32 (float)
T1000
2.5 TFLOPS
A40 PCIe
+1396%
37.42 TFLOPS
Blender
T1000
383
A40 PCIe
+941%
3990
Graphics Card
May 2021
Release Date
Oct 2020
Quadro Turing
Generation
Tesla
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
1065 MHz
Base Clock
1305 MHz
1395 MHz
Boost Clock
1740 MHz
1250 MHz
Memory Clock
1812 MHz
Memory
4GB
Memory Size
48GB
GDDR6
Memory Type
GDDR6
128bit
Memory Bus
384bit
160.0GB/s
Bandwidth
695.8GB/s
Render Config
-
-
-
14
SM Count
84
896
Shading Units
10752
56
TMUs
336
32
ROPs
112
-
Tensor Cores
336
-
RT Cores
84
64 KB (per SM)
L1 Cache
128 KB (per SM)
1024 KB
L2 Cache
6 MB
-
-
-
Theoretical Performance
44.64 GPixel/s
Pixel Rate
194.9 GPixel/s
78.12 GTexel/s
Texture Rate
584.6 GTexel/s
5.000 TFLOPS
FP16 (half)
37.42 TFLOPS
2.500 TFLOPS
FP32 (float)
37.42 TFLOPS
78.12 GFLOPS
FP64 (double)
584.6 GFLOPS
Board Design
50W
TDP
300W
250 W
Suggested PSU
700 W
4x mini-DisplayPort 1.4a
Outputs
3x DisplayPort 1.4a
None
Power Connectors
8-pin EPS
Graphics Processor
TU117
GPU Name
GA102
-
-
-
Turing
Architecture
Ampere
TSMC
Foundry
Samsung
12 nm
Process Size
8 nm
4.7 billion
Transistors
28.3 billion
200 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
7.5
CUDA
8.6
6.8
Shader Model
6.6
