NVIDIA GeForce GTX 490 vs NVIDIA GeForce 256 SDR
We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 and 32MB VRAM GeForce 256 SDR 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 32GB)
Larger VRAM bandwidth (164.0GB/s vs 1.144GB/s)
480 additional rendering cores
Score
Graphics Card
Unknown
Release Date
Oct 1999
GeForce 400
Generation
GeForce 256
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
AGP 4x
Clock Speeds
-
-
-
-
-
-
854 MHz
Memory Clock
143 MHz
Memory
1536MB
Memory Size
32MB
GDDR5
Memory Type
SDR
384bit
Memory Bus
64bit
164.0GB/s
Bandwidth
1.144GB/s
Render Config
-
-
-
15
SM Count
-
480
Shading Units
-
60
TMUs
4
48
ROPs
4
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
-
768 KB
L2 Cache
-
-
-
-
Theoretical Performance
18.24 GPixel/s
Pixel Rate
480.0 MPixel/s
36.48 GTexel/s
Texture Rate
480.0 MTexel/s
-
-
-
1166 GFLOPS
FP32 (float)
-
145.8 GFLOPS
FP64 (double)
-
Board Design
365W
TDP
Unknown
750 W
Suggested PSU
200 W
3x DVI
1x mini-DisplayPort
Outputs
1x VGA
2x 8-pin
Power Connectors
None
Graphics Processor
GF100
GPU Name
NV10
GF100-375-A3
GPU Variant
-
Fermi
Architecture
Celsius
TSMC
Foundry
TSMC
40 nm
Process Size
220 nm
3.1 billion
Transistors
0.017 billion
529 mm²
Die Size
139 mm²
Graphics Features
12 (11_0)
DirectX
7.0
4.6
OpenGL
1.2
1.1
OpenCL
N/A
N/A
Vulkan
N/A
2.0
CUDA
-
5.1
Shader Model
-
