NVIDIA GeForce GTX 490 vs NVIDIA GeForce GTX 555 OEM
We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 and 1024MB VRAM GeForce GTX 555 OEM 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 91.87GB/s)
192 additional rendering cores
NVIDIA GeForce GTX 555 OEM 's Advantages
Lower TDP (150W vs 365W)
Score
Benchmark
FP32 (float)
GeForce GTX 490
+37%
1.166 TFLOPS
GeForce GTX 555 OEM
0.848 TFLOPS
Graphics Card
Unknown
Release Date
May 2011
GeForce 400
Generation
GeForce 500
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
854 MHz
Memory Clock
957 MHz
Memory
1536MB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
192bit
164.0GB/s
Bandwidth
91.87GB/s
Render Config
-
-
-
15
SM Count
6
480
Shading Units
288
60
TMUs
48
48
ROPs
24
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
64 KB (per SM)
768 KB
L2 Cache
384 KB
-
-
-
Theoretical Performance
18.24 GPixel/s
Pixel Rate
8.832 GPixel/s
36.48 GTexel/s
Texture Rate
35.33 GTexel/s
-
-
-
1166 GFLOPS
FP32 (float)
847.9 GFLOPS
145.8 GFLOPS
FP64 (double)
70.66 GFLOPS
Board Design
365W
TDP
150W
750 W
Suggested PSU
450 W
3x DVI
1x mini-DisplayPort
Outputs
2x DVI
1x mini-HDMI 1.3a
2x 8-pin
Power Connectors
2x 6-pin
Graphics Processor
GF100
GPU Name
GF114
GF100-375-A3
GPU Variant
GF114-200-KB-A1
Fermi
Architecture
Fermi 2.0
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
3.1 billion
Transistors
1.95 billion
529 mm²
Die Size
332 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
