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GPU Comparison
NVIDIA A16 PCIe vs NVIDIA GeForce GT 645 OEM
NVIDIA A16 PCIe vs NVIDIA GeForce GT 645 OEM
VS
NVIDIA A16 PCIe
NVIDIA GeForce GT 645 OEM
We compared two Desktop platform GPUs: 16GB VRAM A16 PCIe and 1024MB VRAM GeForce GT 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA A16 PCIe 's Advantages
Released 9 years late
Boost Clock1695MHz
More VRAM (16GB vs 1GB)
Larger VRAM bandwidth (231.9GB/s vs 91.87GB/s)
992 additional rendering cores
NVIDIA GeForce GT 645 OEM 's Advantages
Lower TDP (102W vs 250W)
Score
Benchmark
FP32 (float)
A16 PCIe
+385%
4.339 TFLOPS
GeForce GT 645 OEM
0.894 TFLOPS
A16 PCIe
VS
GeForce GT 645 OEM
Graphics Card
Apr 2021
Release Date
Apr 2012
Tesla
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 4.0 x8
Bus Interface
PCIe 2.0 x16
Clock Speeds
885 MHz
Base Clock
-
1695 MHz
Boost Clock
-
1812 MHz
Memory Clock
957 MHz
Memory
16GB
Memory Size
1024MB
GDDR6
Memory Type
GDDR5
128bit
Memory Bus
192bit
231.9GB/s
Bandwidth
91.87GB/s
Render Config
10
SM Count
6
-
Compute Units
-
1280
Shading Units
288
40
TMUs
48
32
ROPs
24
40
Tensor Cores
-
10
RT Cores
-
128 KB (per SM)
L1 Cache
64 KB (per SM)
2 MB
L2 Cache
384 KB
Theoretical Performance
54.24 GPixel/s
Pixel Rate
9.312 GPixel/s
67.80 GTexel/s
Texture Rate
37.25 GTexel/s
4.339 TFLOPS
FP16 (half)
-
4.339 TFLOPS
FP32 (float)
894.0 GFLOPS
135.6 GFLOPS
FP64 (double)
74.50 GFLOPS
Graphics Processor
GA107
GPU Name
GF114
-
GPU Variant
-
Ampere
Architecture
Fermi 2.0
Samsung
Foundry
TSMC
8 nm
Process Size
40 nm
Unknown
Transistors
1.95 billion
Unknown
Die Size
332 mm²
Board Design
250W
TDP
102W
600 W
Suggested PSU
300 W
No outputs
Outputs
2x DVI 1x mini-HDMI 1.3a
8-pin EPS
Power Connectors
-
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
1.1
1.3
Vulkan
N/A
8.6
CUDA
2.1
6.6
Shader Model
5.1
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