GeForce GT 140 OEM vs GeForce GT 420 OEM
We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 140 OEM and 1024MB VRAM GeForce GT 420 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GT 140 OEM 's Advantages
Larger VRAM bandwidth (57.60GB/s vs 28.80GB/s)
16 additional rendering cores
GeForce GT 420 OEM 's Advantages
Released 1 years and 6 months late
Lower TDP (50W vs 105W)
Score
Benchmark
FP32 (float)
GeForce GT 140 OEM
+55%
208
GeForce GT 420 OEM
134
Graphics Card
Mar 2009
Release Date
Sep 2010
GeForce 100
Generation
GeForce 400
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
900 MHz
Memory Clock
900 MHz
Memory
1024MB
Memory Size
1024MB
GDDR3
Memory Type
DDR3
256bit
Memory Bus
128bit
57.60GB/s
Bandwidth
28.80GB/s
Render Config
8
SM Count
1
64
Shading Units
48
32
TMUs
4
16
ROPs
4
-
L1 Cache
64 KB (per SM)
64 KB
L2 Cache
256 KB
Theoretical Performance
10.40 GPixel/s
Pixel Rate
1.400 GPixel/s
20.80 GTexel/s
Texture Rate
2.800 GTexel/s
208.0 GFLOPS
FP32 (float)
134.4 GFLOPS
-
FP64 (double)
11.20 GFLOPS
Board Design
105W
TDP
50W
300 W
Suggested PSU
250 W
2x DVI
1x S-Video
Outputs
1x DVI
1x HDMI 1.3a
1x VGA
1x 6-pin
Power Connectors
None
Graphics Processor
G94B
GPU Name
GF108
-
GPU Variant
GF108-200-A1
Tesla
Architecture
Fermi
TSMC
Foundry
TSMC
55 nm
Process Size
40 nm
0.505 billion
Transistors
0.585 billion
196 mm²
Die Size
116 mm²
Graphics Features
11.1 (10_0)
DirectX
12 (11_0)
3.3
OpenGL
4.6
1.1
OpenCL
1.1
N/A
Vulkan
N/A
1.1
CUDA
2.1
4.0
Shader Model
5.1
