Home GPU Comparison NVIDIA GeForce GTX 660 Rev. 2 vs ATI FireMV 2260

NVIDIA GeForce GTX 660 Rev. 2 vs ATI FireMV 2260

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Rev. 2 and 256MB VRAM FireMV 2260 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 Rev. 2 's Advantages
Released 6 years and 8 months late
Boost Clock1032MHz
More VRAM (2GB vs 256GB)
Larger VRAM bandwidth (144.2GB/s vs 8.000GB/s)
920 additional rendering cores
ATI FireMV 2260 's Advantages
Lower TDP (15W vs 140W)

Score

Benchmark

FP32 (float)
GeForce GTX 660 Rev. 2 +4852%
1.981 TFLOPS
FireMV 2260
0.04 TFLOPS
VS

Graphics Card

Sep 2014
Release Date
Jan 2008
GeForce 600
Generation
FireMV Multi-View
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

980 MHz
Base Clock
-
1032 MHz
Boost Clock
-
1502 MHz
Memory Clock
500 MHz

Memory

2GB
Memory Size
256MB
GDDR5
Memory Type
DDR2
192bit
Memory Bus
64bit
144.2GB/s
Bandwidth
8.000GB/s

Render Config

-
Compute Units
2
-
-
-
960
Shading Units
40
80
TMUs
4
24
ROPs
4
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
-
384 KB
L2 Cache
-
-
-
-

Theoretical Performance

20.64 GPixel/s
Pixel Rate
2.000 GPixel/s
82.56 GTexel/s
Texture Rate
2.000 GTexel/s
-
-
-
1.981 TFLOPS
FP32 (float)
40.00 GFLOPS
82.56 GFLOPS
FP64 (double)
-

Board Design

140W
TDP
15W
300 W
Suggested PSU
200 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
4x mini-DisplayPort
1x 6-pin
Power Connectors
None

Graphics Processor

GK104
GPU Name
RV620
-
-
-
Kepler
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
3.54 billion
Transistors
0.181 billion
294 mm²
Die Size
67 mm²

Graphics Features

12 (11_0)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
3.0
OpenCL
N/A
1.1
Vulkan
N/A
3.0
CUDA
-
5.1
Shader Model
4.1

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