Home GPU Comparison NVIDIA GeForce GT 645 OEM vs NVIDIA GeForce GTX 1630

NVIDIA GeForce GT 645 OEM vs NVIDIA GeForce GTX 1630

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 645 OEM and 4GB VRAM GeForce GTX 1630 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 1630 's Advantages
Released 10 years and 2 months late
Boost Clock1785MHz
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (96.00GB/s vs 91.87GB/s)
224 additional rendering cores
Lower TDP (75W vs 102W)

Score

Benchmark

FP32 (float)
GeForce GT 645 OEM
0.894 TFLOPS
GeForce GTX 1630 +104%
1.828 TFLOPS
VS

Graphics Card

Apr 2012
Release Date
Jun 2022
GeForce 600
Generation
GeForce 16
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
Base Clock
1740 MHz
-
Boost Clock
1785 MHz
957 MHz
Memory Clock
1500 MHz

Memory

1024MB
Memory Size
4GB
GDDR5
Memory Type
GDDR6
192bit
Memory Bus
64bit
91.87GB/s
Bandwidth
96.00GB/s

Render Config

-
-
-
6
SM Count
8
288
Shading Units
512
48
TMUs
32
24
ROPs
16
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
64 KB (per SM)
384 KB
L2 Cache
1024 KB
-
-
-

Theoretical Performance

9.312 GPixel/s
Pixel Rate
28.56 GPixel/s
37.25 GTexel/s
Texture Rate
57.12 GTexel/s
-
FP16 (half)
3.656 TFLOPS
894.0 GFLOPS
FP32 (float)
1.828 TFLOPS
74.50 GFLOPS
FP64 (double)
57.12 GFLOPS

Board Design

102W
TDP
75W
300 W
Suggested PSU
250 W
2x DVI 1x mini-HDMI 1.3a
Outputs
1x DVI1x HDMI 2.01x DisplayPort 1.4a
-
Power Connectors
None

Graphics Processor

GF114
GPU Name
TU117
-
GPU Variant
TU117-150-KA-A1
Fermi 2.0
Architecture
Turing
TSMC
Foundry
TSMC
40 nm
Process Size
12 nm
1.95 billion
Transistors
4.7 billion
332 mm²
Die Size
200 mm²

Graphics Features

12 (11_0)
DirectX
12 (12_1)
4.6
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.3
2.1
CUDA
7.5
5.1
Shader Model
6.8

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