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GPU Comparison
NVIDIA GeForce GT 120 OEM vs NVIDIA GeForce GT 645 OEM
NVIDIA GeForce GT 120 OEM vs NVIDIA GeForce GT 645 OEM
VS
NVIDIA GeForce GT 120 OEM
NVIDIA GeForce GT 645 OEM
We compared two Desktop platform GPUs: 512MB VRAM GeForce GT 120 OEM 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 GeForce GT 120 OEM 's Advantages
Lower TDP (50W vs 102W)
NVIDIA GeForce GT 645 OEM 's Advantages
Released 3 years and 1 months late
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (91.87GB/s vs 16.13GB/s)
256 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 120 OEM
0.118 TFLOPS
GeForce GT 645 OEM
+657%
0.894 TFLOPS
GeForce GT 120 OEM
VS
GeForce GT 645 OEM
Graphics Card
Mar 2009
Release Date
Apr 2012
GeForce 100
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
504 MHz
Memory Clock
957 MHz
Memory
512MB
Memory Size
1024MB
DDR2
Memory Type
GDDR5
128bit
Memory Bus
192bit
16.13GB/s
Bandwidth
91.87GB/s
Render Config
4
SM Count
6
-
Compute Units
-
32
Shading Units
288
16
TMUs
48
8
ROPs
24
-
Tensor Cores
-
-
RT Cores
-
-
L1 Cache
64 KB (per SM)
32 KB
L2 Cache
384 KB
Theoretical Performance
5.904 GPixel/s
Pixel Rate
9.312 GPixel/s
11.81 GTexel/s
Texture Rate
37.25 GTexel/s
-
FP16 (half)
-
117.5 GFLOPS
FP32 (float)
894.0 GFLOPS
-
FP64 (double)
74.50 GFLOPS
Graphics Processor
G96C
GPU Name
GF114
-
GPU Variant
-
Tesla
Architecture
Fermi 2.0
TSMC
Foundry
TSMC
55 nm
Process Size
40 nm
0.314 billion
Transistors
1.95 billion
121 mm²
Die Size
332 mm²
Board Design
50W
TDP
102W
250 W
Suggested PSU
300 W
1x DVI 1x VGA 1x S-Video
Outputs
2x DVI 1x mini-HDMI 1.3a
None
Power Connectors
-
Graphics Features
11.1 (10_0)
DirectX
12 (11_0)
3.3
OpenGL
4.6
1.1
OpenCL
1.1
N/A
Vulkan
N/A
1.1
CUDA
2.1
4.0
Shader Model
5.1
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9
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