NVIDIA GeForce GTX 490 vs NVIDIA GeForce GTX 275 PhysX Edition
We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 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 GTX 490 's Advantages
More VRAM (1536GB vs 896GB)
Larger VRAM bandwidth (164.0GB/s vs 127.0GB/s)
240 additional rendering cores
NVIDIA GeForce GTX 275 PhysX Edition 's Advantages
Lower TDP (219W vs 365W)
Score
Benchmark
FP32 (float)
GeForce GTX 490
+87%
1.166 TFLOPS
GeForce GTX 275 PhysX Edition
0.622 TFLOPS
Graphics Card
Unknown
Release Date
Feb 2010
GeForce 400
Generation
GeForce 200
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
854 MHz
Memory Clock
1134 MHz
Memory
1536MB
Memory Size
896MB
GDDR5
Memory Type
GDDR3
384bit
Memory Bus
448bit
164.0GB/s
Bandwidth
127.0GB/s
Render Config
-
-
-
15
SM Count
30
480
Shading Units
240
60
TMUs
80
48
ROPs
28
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
-
768 KB
L2 Cache
224 KB
-
-
-
Theoretical Performance
18.24 GPixel/s
Pixel Rate
17.72 GPixel/s
36.48 GTexel/s
Texture Rate
50.64 GTexel/s
-
-
-
1166 GFLOPS
FP32 (float)
622.1 GFLOPS
145.8 GFLOPS
FP64 (double)
77.76 GFLOPS
Board Design
365W
TDP
219W
750 W
Suggested PSU
550 W
3x DVI
1x mini-DisplayPort
Outputs
2x DVI
2x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
GF100
GPU Name
G92B
GF100-375-A3
GPU Variant
G92-421-B1
Fermi
Architecture
Tesla
TSMC
Foundry
TSMC
40 nm
Process Size
55 nm
3.1 billion
Transistors
0.754 billion
529 mm²
Die Size
260 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
2.0
CUDA
1.3
5.1
Shader Model
4.0
