NVIDIA RTX A4000 vs NVIDIA Tesla M40 24 GB
GPU · Specs Compare
Graphics Card
Release Date
Apr 2021
Nov 2015
Generation
Quadro Ampere
Tesla Maxwell
Type
Professional
Professional
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
735 MHz
948 MHz
Boost Clock
1560 MHz
1112 MHz
Memory Clock
1750 MHz
1502 MHz
Memory
Memory Size
16GB
24GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
384bit
Bandwidth
448.0GB/s
288.4GB/s
Render Config
SM Count
48
—
Shading Units
6144
3072
TMUs
192
192
ROPs
96
96
Tensor Cores
192
—
RT Cores
48
—
L1 Cache
128 KB (per SM)
48 KB (per SMM)
L2 Cache
4 MB
3 MB
Theoretical Performance
Pixel Rate
149.8 GPixel/s
106.8 GPixel/s
Texture Rate
299.5 GTexel/s
213.5 GTexel/s
FP16 (half)
19.17 TFLOPS
—
FP32 (float)
19.17 TFLOPS
6.832 TFLOPS
FP64 (double)
299.5 GFLOPS
213.5 GFLOPS
Graphics Processor
GPU Name
GA104
GM200
GPU Variant
GA104-875-A1
GM200-895-A1
Architecture
Ampere
Maxwell 2.0
Foundry
Samsung
TSMC
Process Size
8 nm
28 nm
Transistors
17.4 billion
8 billion
Die Size
392 mm²
601 mm²
Board Design
TDP
140W
250W
Suggested PSU
300 W
600 W
Outputs
4x DisplayPort 1.4a
No outputs
Power Connectors
1x 6-pin
8-pin EPS
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.3
1.3
CUDA
8.6
5.2
Shader Model
6.7
6.7
Benchmark
3DMark Time Spy
11,079
5,066
3DMark Time Spy Extreme
5,367
2,425
OctaneBench
352
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.