NVIDIA Tesla K40m vs NVIDIA RTX A4000 Mobile
GPU Specs Compare
Graphics Card
Release Date
Nov 2013
Apr 2021
Generation
Tesla
Ampere-MW
Type
Professional
Professional
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
745 MHz
1140 MHz
Boost Clock
876 MHz
1680 MHz
Memory Clock
1502 MHz
1500 MHz
Memory
Memory Size
12GB
8GB
Memory Type
GDDR5
GDDR6
Memory Bus
384bit
256bit
Bandwidth
288.4GB/s
384.0GB/s
Render Config
Shading Units
2880
5120
TMUs
240
160
ROPs
48
80
L1 Cache
16 KB (per SMX)
128 KB (per SM)
L2 Cache
1536 KB
4 MB
SM Count
-
40
Tensor Cores
-
160
RT Cores
-
40
Theoretical Performance
Pixel Rate
52.56 GPixel/s
134.4 GPixel/s
Texture Rate
210.2 GTexel/s
268.8 GTexel/s
FP32 (float)
5.046 TFLOPS
17.20 TFLOPS
FP64 (double)
1.682 TFLOPS
268.8 GFLOPS
FP16 (half)
-
17.20 TFLOPS
Graphics Processor
GPU Name
GK110B
GA104
Architecture
Kepler
Ampere
Foundry
TSMC
Samsung
Process Size
28 nm
8 nm
Transistors
7.08 billion
17.4 billion
Die Size
561 mm²
392 mm²
Board Design
TDP
245W
115W
Suggested PSU
550 W
-
Outputs
No outputs
Portable Device Dependent
Power Connectors
-
None
Graphics Features
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.1
1.3
CUDA
3.5
8.6
Shader Model
5.1
6.8
📊 Benchmark
Blender
-
2,825