FireStream 9250 vs GeForce GTX 660
We compared two Desktop platform GPUs: 1024MB VRAM FireStream 9250 and 2GB VRAM GeForce GTX 660 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 660 's Advantages
Released 4 years and 3 months late
Boost Clock1032MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (144.2GB/s vs 63.55GB/s)
160 additional rendering cores
Lower TDP (140W vs 150W)
Score
Benchmark
FP32 (float)
FireStream 9250
1000
GeForce GTX 660
+98%
1981
Graphics Card
Jun 2008
Release Date
Sep 2012
FireStream
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
980 MHz
-
Boost Clock
1032 MHz
993 MHz
Memory Clock
1502 MHz
Memory
1024MB
Memory Size
2GB
GDDR3
Memory Type
GDDR5
256bit
Memory Bus
192bit
63.55GB/s
Bandwidth
144.2GB/s
Render Config
10
Compute Units
-
800
Shading Units
960
40
TMUs
80
16
ROPs
24
16 KB (per CU)
L1 Cache
16 KB (per SMX)
256 KB
L2 Cache
384 KB
Theoretical Performance
10.00 GPixel/s
Pixel Rate
20.64 GPixel/s
25.00 GTexel/s
Texture Rate
82.56 GTexel/s
1000 GFLOPS
FP32 (float)
1.981 TFLOPS
200.0 GFLOPS
FP64 (double)
82.56 GFLOPS
Board Design
150W
TDP
140W
450 W
Suggested PSU
300 W
1x DVI
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
1x 6-pin
Power Connectors
1x 6-pin
Graphics Processor
RV770
GPU Name
GK106
RV770 PRO
GPU Variant
GK106-400-A1
TeraScale
Architecture
Kepler
TSMC
Foundry
TSMC
55 nm
Process Size
28 nm
0.956 billion
Transistors
2.54 billion
256 mm²
Die Size
221 mm²
Graphics Features
10.1 (10_1)
DirectX
12 (11_0)
3.3
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.1
-
CUDA
3.0
4.1
Shader Model
5.1