NVIDIA GeForce GT 420 OEM vs NVIDIA GeForce GTX 285 Mac Edition
We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 420 OEM and 1024MB VRAM GeForce GTX 285 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 420 OEM 's Advantages
Released 1 years and 8 months late
Lower TDP (50W vs 204W)
NVIDIA GeForce GTX 285 Mac Edition 's Advantages
Larger VRAM bandwidth (159.0GB/s vs 28.80GB/s)
192 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 420 OEM
0.134 TFLOPS
GeForce GTX 285 Mac Edition
+428%
0.708 TFLOPS
Graphics Card
Sep 2010
Release Date
Jan 2009
GeForce 400
Generation
GeForce 200
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
900 MHz
Memory Clock
1242 MHz
Memory
1024MB
Memory Size
1024MB
DDR3
Memory Type
GDDR3
128bit
Memory Bus
512bit
28.80GB/s
Bandwidth
159.0GB/s
Render Config
-
-
-
1
SM Count
30
48
Shading Units
240
4
TMUs
80
4
ROPs
32
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
-
256 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
1.400 GPixel/s
Pixel Rate
20.74 GPixel/s
2.800 GTexel/s
Texture Rate
51.84 GTexel/s
-
-
-
134.4 GFLOPS
FP32 (float)
708.5 GFLOPS
11.20 GFLOPS
FP64 (double)
88.56 GFLOPS
Board Design
50W
TDP
204W
250 W
Suggested PSU
550 W
1x DVI
1x HDMI 1.3a
1x VGA
Outputs
2x DVI
1x S-Video
None
Power Connectors
2x 6-pin
Graphics Processor
GF108
GPU Name
GT200B
GF108-200-A1
GPU Variant
G200-350-B3
Fermi
Architecture
Tesla 2.0
TSMC
Foundry
TSMC
40 nm
Process Size
55 nm
0.585 billion
Transistors
1.4 billion
116 mm²
Die Size
470 mm²
Graphics Features
12 (11_0)
DirectX
11.1 (10_0)
4.6
OpenGL
3.3
1.1
OpenCL
1.1
N/A
Vulkan
N/A
2.1
CUDA
1.3
5.1
Shader Model
4.0
