GeForce GTX 970 vs GeForce GT 620 OEM
We compared two Desktop platform GPUs: 4GB VRAM GeForce GTX 970 and 512MB VRAM GeForce GT 620 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 970 's Advantages
Released 2 years and 5 months late
Boost Clock1178MHz
More VRAM (4GB vs 512GB)
Larger VRAM bandwidth (224.4GB/s vs 14.37GB/s)
1616 additional rendering cores
GeForce GT 620 OEM 's Advantages
Lower TDP (30W vs 148W)
Score
Benchmark
FP32 (float)
GeForce GTX 970
+2412%
3920
GeForce GT 620 OEM
156
Graphics Card
Sep 2014
Release Date
Apr 2012
GeForce 900
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1050 MHz
Base Clock
-
1178 MHz
Boost Clock
-
1753 MHz
Memory Clock
898 MHz
Memory
4GB
Memory Size
512MB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
64bit
224.4GB/s
Bandwidth
14.37GB/s
Render Config
-
SM Count
1
1664
Shading Units
48
104
TMUs
8
56
ROPs
4
48 KB (per SMM)
L1 Cache
64 KB (per SM)
2 MB
L2 Cache
128 KB
Theoretical Performance
65.97 GPixel/s
Pixel Rate
1.620 GPixel/s
122.5 GTexel/s
Texture Rate
6.480 GTexel/s
3.920 TFLOPS
FP32 (float)
155.5 GFLOPS
122.5 GFLOPS
FP64 (double)
12.96 GFLOPS
Board Design
148W
TDP
30W
300 W
Suggested PSU
200 W
1x DVI
1x HDMI 2.0
3x DisplayPort 1.4a
Outputs
1x DVI
1x HDMI 1.3a
1x VGA
2x 6-pin
Power Connectors
None
Graphics Processor
GM204
GPU Name
GF119
GM204-200-A1
GPU Variant
-
Maxwell 2.0
Architecture
Fermi 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
5.2 billion
Transistors
0.292 billion
398 mm²
Die Size
79 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
5.2
CUDA
2.1
6.4
Shader Model
5.1
