GeForce GTX 660 Ti vs Radeon HD 5870 Eyefinity 6
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Ti and 2GB VRAM Radeon HD 5870 Eyefinity 6 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 5 months late
Boost Clock980MHz
Lower TDP (150W vs 228W)
Radeon HD 5870 Eyefinity 6 's Advantages
Larger VRAM bandwidth (153.6GB/s vs 144.2GB/s)
256 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTX 660 Ti
2634
Radeon HD 5870 Eyefinity 6
+3%
2720
Graphics Card
Aug 2012
Release Date
Mar 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
1200 MHz
Memory
2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
192bit
Memory Bus
256bit
144.2GB/s
Bandwidth
153.6GB/s
Render Config
-
Compute Units
20
1344
Shading Units
1600
112
TMUs
80
24
ROPs
32
16 KB (per SMX)
L1 Cache
8 KB (per CU)
384 KB
L2 Cache
512 KB
Theoretical Performance
27.44 GPixel/s
Pixel Rate
27.20 GPixel/s
109.8 GTexel/s
Texture Rate
68.00 GTexel/s
2.634 TFLOPS
FP32 (float)
2.720 TFLOPS
109.8 GFLOPS
FP64 (double)
544.0 GFLOPS
Board Design
150W
TDP
228W
450 W
Suggested PSU
550 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
6x mini-DisplayPort 1.1
2x 6-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
GK104
GPU Name
Cypress
GK104-300-KD-A2
GPU Variant
Cypress XT
(215-0735033)
Kepler
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
3.54 billion
Transistors
2.154 billion
294 mm²
Die Size
334 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