GeForce GTX 660 Ti vs Radeon HD 5770 Mac Edition
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Ti and 1024MB VRAM Radeon HD 5770 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 660 Ti 's Advantages
Released 2 years and 1 months late
Boost Clock980MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (144.2GB/s vs 76.48GB/s)
544 additional rendering cores
Radeon HD 5770 Mac Edition 's Advantages
Lower TDP (108W vs 150W)
Score
Benchmark
FP32 (float)
GeForce GTX 660 Ti
+93%
2634
Radeon HD 5770 Mac Edition
1360
Graphics Card
Aug 2012
Release Date
Jul 2010
GeForce 600
Generation
Evergreen
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
1195 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
192bit
Memory Bus
128bit
144.2GB/s
Bandwidth
76.48GB/s
Render Config
-
Compute Units
10
1344
Shading Units
800
112
TMUs
40
24
ROPs
16
16 KB (per SMX)
L1 Cache
8 KB (per CU)
384 KB
L2 Cache
256 KB
Theoretical Performance
27.44 GPixel/s
Pixel Rate
13.60 GPixel/s
109.8 GTexel/s
Texture Rate
34.00 GTexel/s
2.634 TFLOPS
FP32 (float)
1360 GFLOPS
109.8 GFLOPS
FP64 (double)
-
Board Design
150W
TDP
108W
450 W
Suggested PSU
300 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
1x DVI
1x DisplayPort 1.1
2x 6-pin
Power Connectors
1x 6-pin
Graphics Processor
GK104
GPU Name
Juniper
GK104-300-KD-A2
GPU Variant
Juniper XT
(215-0754013)
Kepler
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
3.54 billion
Transistors
1.04 billion
294 mm²
Die Size
166 mm²
Graphics Features
12 (11_0)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
3.0
OpenCL
1.2
1.1
Vulkan
N/A
3.0
CUDA
-
5.1
Shader Model
5.0
