NVIDIA RTX A4000 vs NVIDIA GeForce GTX 950
GPU Specs Compare
Graphics Card
Release Date
Apr 2021
Aug 2015
Generation
Quadro Ampere
GeForce 900
Type
Professional
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
735 MHz
1024 MHz
Boost Clock
1560 MHz
1188 MHz
Memory Clock
1750 MHz
1653 MHz
Memory
Memory Size
16GB
2GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
128bit
Bandwidth
448.0GB/s
105.8GB/s
Render Config
SM Count
48
-
Shading Units
6144
768
TMUs
192
48
ROPs
96
32
Tensor Cores
192
-
RT Cores
48
-
L1 Cache
128 KB (per SM)
48 KB (per SMM)
L2 Cache
4 MB
1024 KB
Theoretical Performance
Pixel Rate
149.8 GPixel/s
38.02 GPixel/s
Texture Rate
299.5 GTexel/s
57.02 GTexel/s
FP16 (half)
19.17 TFLOPS
-
FP32 (float)
19.17 TFLOPS
1.825 TFLOPS
FP64 (double)
299.5 GFLOPS
57.02 GFLOPS
Graphics Processor
GPU Name
GA104
GM206
GPU Variant
GA104-875-A1
GM206-250-A1
Architecture
Ampere
Maxwell 2.0
Foundry
Samsung
TSMC
Process Size
8 nm
28 nm
Transistors
17.4 billion
2.94 billion
Die Size
392 mm²
228 mm²
Board Design
TDP
140W
90W
Suggested PSU
300 W
250 W
Outputs
4x DisplayPort 1.4a
1x DVI1x HDMI 2.03x DisplayPort 1.4a
Power Connectors
1x 6-pin
1x 6-pin
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
6.4
📊 Benchmark
3DMark Time Spy
11,079
1,903
3DMark Time Spy Extreme
5,367
396
OctaneBench
352
-