GeForce GTX 660 Ti vs FireStream 9250
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Ti and 1024MB VRAM FireStream 9250 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 660 Ti 's Advantages
Released 4 years and 2 months late
Boost Clock980MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (144.2GB/s vs 63.55GB/s)
544 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTX 660 Ti
+163%
2634
FireStream 9250
1000
Graphics Card
Aug 2012
Release Date
Jun 2008
GeForce 600
Generation
FireStream
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
915 MHz
Base Clock
-
980 MHz
Boost Clock
-
1502 MHz
Memory Clock
993 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR3
192bit
Memory Bus
256bit
144.2GB/s
Bandwidth
63.55GB/s
Render Config
-
Compute Units
10
1344
Shading Units
800
112
TMUs
40
24
ROPs
16
16 KB (per SMX)
L1 Cache
16 KB (per CU)
384 KB
L2 Cache
256 KB
Theoretical Performance
27.44 GPixel/s
Pixel Rate
10.00 GPixel/s
109.8 GTexel/s
Texture Rate
25.00 GTexel/s
2.634 TFLOPS
FP32 (float)
1000 GFLOPS
109.8 GFLOPS
FP64 (double)
200.0 GFLOPS
Board Design
150W
TDP
150W
450 W
Suggested PSU
450 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
1x DVI
2x 6-pin
Power Connectors
1x 6-pin
Graphics Processor
GK104
GPU Name
RV770
GK104-300-KD-A2
GPU Variant
RV770 PRO
Kepler
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
3.54 billion
Transistors
0.956 billion
294 mm²
Die Size
256 mm²
Graphics Features
12 (11_0)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
3.0
OpenCL
1.1
1.1
Vulkan
N/A
3.0
CUDA
-
5.1
Shader Model
4.1
