NVIDIA GeForce GTX 490 vs NVIDIA GeForce GTS 450
We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 and 1024MB VRAM GeForce GTS 450 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 1024GB)
Larger VRAM bandwidth (164.0GB/s vs 57.73GB/s)
288 additional rendering cores
NVIDIA GeForce GTS 450 's Advantages
Lower TDP (106W vs 365W)
Score
Benchmark
FP32 (float)
GeForce GTX 490
+94%
1.166 TFLOPS
GeForce GTS 450
0.601 TFLOPS
Graphics Card
Unknown
Release Date
Sep 2010
GeForce 400
Generation
GeForce 400
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
854 MHz
Memory Clock
902 MHz
Memory
1536MB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
128bit
164.0GB/s
Bandwidth
57.73GB/s
Render Config
-
-
-
15
SM Count
4
480
Shading Units
192
60
TMUs
32
48
ROPs
16
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
64 KB (per SM)
768 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
18.24 GPixel/s
Pixel Rate
6.264 GPixel/s
36.48 GTexel/s
Texture Rate
25.06 GTexel/s
-
-
-
1166 GFLOPS
FP32 (float)
601.3 GFLOPS
145.8 GFLOPS
FP64 (double)
50.11 GFLOPS
Board Design
365W
TDP
106W
750 W
Suggested PSU
300 W
3x DVI
1x mini-DisplayPort
Outputs
2x DVI
1x mini-HDMI 1.3a
2x 8-pin
Power Connectors
1x 6-pin
Graphics Processor
GF100
GPU Name
GF106
GF100-375-A3
GPU Variant
GF106-250-KA-A1
Fermi
Architecture
Fermi
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
3.1 billion
Transistors
1.17 billion
529 mm²
Die Size
238 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
1.1
OpenCL
1.1
N/A
Vulkan
N/A
2.0
CUDA
2.1
5.1
Shader Model
5.1
