NVIDIA GeForce GT 620 vs NVIDIA GeForce GT 1030 DDR4
We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 620 and 2GB VRAM GeForce GT 1030 DDR4 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 10 months late
Boost Clock1379MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (16.80GB/s vs 14.40GB/s)
288 additional rendering cores
Lower TDP (20W vs 49W)
Score
Benchmark
FP32 (float)
GeForce GT 620
0.269 TFLOPS
GeForce GT 1030 DDR4
+293%
1.059 TFLOPS
3DMark Time Spy
GeForce GT 620
93
GeForce GT 1030 DDR4
+586%
638
3DMark Time Spy Extreme
GeForce GT 620
55
GeForce GT 1030 DDR4
+221%
177
Graphics Card
May 2012
Release Date
Mar 2018
GeForce 600
Generation
GeForce 10
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x4
Clock Speeds
-
Base Clock
1152 MHz
-
Boost Clock
1379 MHz
900 MHz
Memory Clock
1050 MHz
Memory
1024MB
Memory Size
2GB
DDR3
Memory Type
DDR4
64bit
Memory Bus
64bit
14.40GB/s
Bandwidth
16.80GB/s
Render Config
-
-
-
2
SM Count
3
96
Shading Units
384
16
TMUs
24
4
ROPs
16
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
48 KB (per SM)
128 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
2.800 GPixel/s
Pixel Rate
22.06 GPixel/s
11.20 GTexel/s
Texture Rate
33.10 GTexel/s
-
FP16 (half)
16.55 GFLOPS
268.8 GFLOPS
FP32 (float)
1059 GFLOPS
22.40 GFLOPS
FP64 (double)
33.10 GFLOPS
Board Design
49W
TDP
20W
200 W
Suggested PSU
200 W
1x DVI
1x HDMI 1.3a
1x VGA
Outputs
1x DVI
1x HDMI 2.0
None
Power Connectors
None
Graphics Processor
GF108
GPU Name
GP108
GF108-100-KB-A1
GPU Variant
GP108-310-A1
Fermi
Architecture
Pascal
TSMC
Foundry
Samsung
40 nm
Process Size
14 nm
0.585 billion
Transistors
1.8 billion
116 mm²
Die Size
74 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
6.1
5.1
Shader Model
6.4
