NVIDIA GeForce GTX 490 vs NVIDIA GeForce GTX 680
We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 and 2GB VRAM GeForce GTX 680 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 680 's Advantages
Boost Clock1058MHz
More VRAM (2GB vs 1536GB)
Larger VRAM bandwidth (192.3GB/s vs 164.0GB/s)
1056 additional rendering cores
Lower TDP (195W vs 365W)
Score
Benchmark
FP32 (float)
GeForce GTX 490
1.166 TFLOPS
GeForce GTX 680
+178%
3.25 TFLOPS
Graphics Card
Unknown
Release Date
Mar 2012
GeForce 400
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
1006 MHz
-
Boost Clock
1058 MHz
854 MHz
Memory Clock
1502 MHz
Memory
1536MB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
256bit
164.0GB/s
Bandwidth
192.3GB/s
Render Config
-
-
-
15
SM Count
-
480
Shading Units
1536
60
TMUs
128
48
ROPs
32
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
16 KB (per SMX)
768 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
18.24 GPixel/s
Pixel Rate
33.86 GPixel/s
36.48 GTexel/s
Texture Rate
135.4 GTexel/s
-
-
-
1166 GFLOPS
FP32 (float)
3.250 TFLOPS
145.8 GFLOPS
FP64 (double)
135.4 GFLOPS
Board Design
365W
TDP
195W
750 W
Suggested PSU
450 W
3x DVI
1x mini-DisplayPort
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
2x 8-pin
Power Connectors
2x 6-pin
Graphics Processor
GF100
GPU Name
GK104
GF100-375-A3
GPU Variant
GK104-400-A2
Fermi
Architecture
Kepler
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
3.1 billion
Transistors
3.54 billion
529 mm²
Die Size
294 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.1
2.0
CUDA
3.0
5.1
Shader Model
5.1
