FireStream 9250 vs GeForce GTX 660 OEM
We compared two Desktop platform GPUs: 1024MB VRAM FireStream 9250 and 1536MB VRAM GeForce GTX 660 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 660 OEM 's Advantages
Released 4 years and 2 months late
Boost Clock888MHz
More VRAM (1536GB vs 1024GB)
Larger VRAM bandwidth (134.4GB/s vs 63.55GB/s)
352 additional rendering cores
Lower TDP (130W vs 150W)
Score
Benchmark
FP32 (float)
FireStream 9250
1000
GeForce GTX 660 OEM
+104%
2046
Graphics Card
Jun 2008
Release Date
Aug 2012
FireStream
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
823 MHz
-
Boost Clock
888 MHz
993 MHz
Memory Clock
1400 MHz
Memory
1024MB
Memory Size
1536MB
GDDR3
Memory Type
GDDR5
256bit
Memory Bus
192bit
63.55GB/s
Bandwidth
134.4GB/s
Render Config
10
Compute Units
-
800
Shading Units
1152
40
TMUs
96
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
21.31 GPixel/s
25.00 GTexel/s
Texture Rate
85.25 GTexel/s
1000 GFLOPS
FP32 (float)
2.046 TFLOPS
200.0 GFLOPS
FP64 (double)
85.25 GFLOPS
Board Design
150W
TDP
130W
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
GK104-200-KD-A2
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
