FireStream 9250 vs GeForce GTX 660 Rev. 2
We compared two Desktop platform GPUs: 1024MB VRAM FireStream 9250 and 2GB VRAM GeForce GTX 660 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 660 Rev. 2 's Advantages
Released 6 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 Rev. 2
+98%
1981
Graphics Card
Jun 2008
Release Date
Sep 2014
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
GK104
RV770 PRO
GPU Variant
-
TeraScale
Architecture
Kepler
TSMC
Foundry
TSMC
55 nm
Process Size
28 nm
0.956 billion
Transistors
3.54 billion
256 mm²
Die Size
294 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