NVIDIA GeForce GT 420 OEM vs NVIDIA GeForce GTX 980
We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 420 OEM and 4GB VRAM GeForce GTX 980 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 420 OEM 's Advantages
Lower TDP (50W vs 165W)
NVIDIA GeForce GTX 980 's Advantages
Released 4 years late
Boost Clock1216MHz
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (224.4GB/s vs 28.80GB/s)
2000 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 420 OEM
0.134 TFLOPS
GeForce GTX 980
+3617%
4.981 TFLOPS
Graphics Card
Sep 2010
Release Date
Sep 2014
GeForce 400
Generation
GeForce 900
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
1127 MHz
-
Boost Clock
1216 MHz
900 MHz
Memory Clock
1753 MHz
Memory
1024MB
Memory Size
4GB
DDR3
Memory Type
GDDR5
128bit
Memory Bus
256bit
28.80GB/s
Bandwidth
224.4GB/s
Render Config
-
-
-
1
SM Count
-
48
Shading Units
2048
4
TMUs
128
4
ROPs
64
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
48 KB (per SMM)
256 KB
L2 Cache
2 MB
-
-
-
Theoretical Performance
1.400 GPixel/s
Pixel Rate
77.82 GPixel/s
2.800 GTexel/s
Texture Rate
155.6 GTexel/s
-
-
-
134.4 GFLOPS
FP32 (float)
4.981 TFLOPS
11.20 GFLOPS
FP64 (double)
155.6 GFLOPS
Board Design
50W
TDP
165W
250 W
Suggested PSU
450 W
1x DVI
1x HDMI 1.3a
1x VGA
Outputs
1x DVI
1x HDMI 2.0
3x DisplayPort 1.4a
None
Power Connectors
2x 6-pin
Graphics Processor
GF108
GPU Name
GM204
GF108-200-A1
GPU Variant
GM204-400-A1
Fermi
Architecture
Maxwell 2.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.585 billion
Transistors
5.2 billion
116 mm²
Die Size
398 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
5.2
5.1
Shader Model
6.4
