NVIDIA GeForce GT 1030 DDR4 vs NVIDIA GeForce GT 645 OEM
We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 1030 DDR4 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 1030 DDR4 's Advantages
Released 5 years and 11 months late
Boost Clock1379MHz
More VRAM (2GB vs 1024GB)
96 additional rendering cores
Lower TDP (20W vs 102W)
NVIDIA GeForce GT 645 OEM 's Advantages
Larger VRAM bandwidth (91.87GB/s vs 16.80GB/s)
Score
Benchmark
FP32 (float)
GeForce GT 1030 DDR4
+18%
1.059 TFLOPS
GeForce GT 645 OEM
0.894 TFLOPS
Graphics Card
Mar 2018
Release Date
Apr 2012
GeForce 10
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 3.0 x4
Bus Interface
PCIe 2.0 x16
Clock Speeds
1152 MHz
Base Clock
-
1379 MHz
Boost Clock
-
1050 MHz
Memory Clock
957 MHz
Memory
2GB
Memory Size
1024MB
DDR4
Memory Type
GDDR5
64bit
Memory Bus
192bit
16.80GB/s
Bandwidth
91.87GB/s
Render Config
-
-
-
3
SM Count
6
384
Shading Units
288
24
TMUs
48
16
ROPs
24
-
-
-
-
-
-
48 KB (per SM)
L1 Cache
64 KB (per SM)
512 KB
L2 Cache
384 KB
-
-
-
Theoretical Performance
22.06 GPixel/s
Pixel Rate
9.312 GPixel/s
33.10 GTexel/s
Texture Rate
37.25 GTexel/s
16.55 GFLOPS
FP16 (half)
-
1059 GFLOPS
FP32 (float)
894.0 GFLOPS
33.10 GFLOPS
FP64 (double)
74.50 GFLOPS
Board Design
20W
TDP
102W
200 W
Suggested PSU
300 W
1x DVI
1x HDMI 2.0
Outputs
2x DVI
1x mini-HDMI 1.3a
None
Power Connectors
-
Graphics Processor
GP108
GPU Name
GF114
GP108-310-A1
GPU Variant
-
Pascal
Architecture
Fermi 2.0
Samsung
Foundry
TSMC
14 nm
Process Size
40 nm
1.8 billion
Transistors
1.95 billion
74 mm²
Die Size
332 mm²
Graphics Features
12 (12_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
1.1
1.3
Vulkan
N/A
6.1
CUDA
2.1
6.4
Shader Model
5.1
