Home GPU Comparison NVIDIA GeForce GT 630 Rev. 2 PCIe x8 vs NVIDIA GeForce GTX 645 OEM

NVIDIA GeForce GT 630 Rev. 2 PCIe x8 vs NVIDIA GeForce GTX 645 OEM

NVIDIA GeForce GT 630 Rev. 2 PCIe x8
VS
NVIDIA GeForce GTX 645 OEM
NVIDIA GeForce GT 630 Rev. 2 PCIe x8
NVIDIA GeForce GTX 645 OEM
We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 630 Rev. 2 PCIe x8 and 1024MB VRAM GeForce GTX 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 630 Rev. 2 PCIe x8 's Advantages
More VRAM (2GB vs 1024GB)
Lower TDP (25W vs 65W)
NVIDIA GeForce GTX 645 OEM 's Advantages
Larger VRAM bandwidth (64.00GB/s vs 14.40GB/s)
192 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce GT 630 Rev. 2 PCIe x8
0.693 TFLOPS
GeForce GTX 645 OEM +36%
0.949 TFLOPS
GeForce GT 630 Rev. 2 PCIe x8
VS
GeForce GTX 645 OEM

Graphics Card

May 2013
Release Date
Apr 2013
GeForce 600
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 2.0 x8
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
-
-
-
-
-
900 MHz
Memory Clock
1000 MHz

Memory

2GB
Memory Size
1024MB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
128bit
14.40GB/s
Bandwidth
64.00GB/s

Render Config

-
-
-
-
-
-
384
Shading Units
576
32
TMUs
48
8
ROPs
16
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per SMX)
512 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

7.216 GPixel/s
Pixel Rate
9.888 GPixel/s
28.86 GTexel/s
Texture Rate
39.55 GTexel/s
-
-
-
692.7 GFLOPS
FP32 (float)
949.2 GFLOPS
28.86 GFLOPS
FP64 (double)
39.55 GFLOPS

Board Design

25W
TDP
65W
200 W
Suggested PSU
250 W
1x DVI 1x HDMI 1.4a 1x VGA
Outputs
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
None
Power Connectors
None

Graphics Processor

GK208
GPU Name
GK106
GK208-301-A1
GPU Variant
GK106-200-A1
Kepler 2.0
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.02 billion
Transistors
2.54 billion
87 mm²
Die Size
221 mm²

Graphics Features

12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.1
3.5
CUDA
3.0
5.1
Shader Model
5.1

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2
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3
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4
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5
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6
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7
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8
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9
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10
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