NVIDIA GeForce 405 OEM vs NVIDIA GeForce GTX 275 PhysX Edition
We compared two Desktop platform GPUs: 512MB VRAM GeForce 405 OEM and 896MB VRAM GeForce GTX 275 PhysX Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce 405 OEM 's Advantages
Released 7 months late
Lower TDP (25W vs 219W)
NVIDIA GeForce GTX 275 PhysX Edition 's Advantages
More VRAM (896GB vs 512GB)
Larger VRAM bandwidth (127.0GB/s vs 12.64GB/s)
224 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce 405 OEM
0.045 TFLOPS
GeForce GTX 275 PhysX Edition
+1282%
0.622 TFLOPS
Graphics Card
Sep 2010
Release Date
Feb 2010
GeForce 400
Generation
GeForce 200
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
790 MHz
Memory Clock
1134 MHz
Memory
512MB
Memory Size
896MB
DDR3
Memory Type
GDDR3
64bit
Memory Bus
448bit
12.64GB/s
Bandwidth
127.0GB/s
Render Config
-
-
-
2
SM Count
30
16
Shading Units
240
8
TMUs
80
4
ROPs
28
-
-
-
-
-
-
-
-
-
32 KB
L2 Cache
224 KB
-
-
-
Theoretical Performance
2.356 GPixel/s
Pixel Rate
17.72 GPixel/s
4.712 GTexel/s
Texture Rate
50.64 GTexel/s
-
-
-
44.86 GFLOPS
FP32 (float)
622.1 GFLOPS
-
FP64 (double)
77.76 GFLOPS
Board Design
25W
TDP
219W
200 W
Suggested PSU
550 W
1x DVI
1x HDMI
1x VGA
Outputs
2x DVI
None
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
GT218
GPU Name
G92B
GT218-300-B1
GPU Variant
G92-421-B1
Tesla 2.0
Architecture
Tesla
TSMC
Foundry
TSMC
40 nm
Process Size
55 nm
0.26 billion
Transistors
0.754 billion
57 mm²
Die Size
260 mm²
Graphics Features
11.1 (10_1)
DirectX
11.1 (10_0)
3.3
OpenGL
3.3
1.1
OpenCL
1.1
N/A
Vulkan
N/A
1.2
CUDA
1.3
4.1
Shader Model
4.0
