NVIDIA GeForce GTX 660 OEM vs ATI Radeon HD 5870 Mac Edition
We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 660 OEM and 1024MB VRAM Radeon HD 5870 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 660 OEM 's Advantages
Released 2 years and 2 months late
Boost Clock888MHz
More VRAM (1536GB vs 1024GB)
Lower TDP (130W vs 228W)
ATI Radeon HD 5870 Mac Edition 's Advantages
Larger VRAM bandwidth (153.0GB/s vs 134.4GB/s)
448 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTX 660 OEM
2.046 TFLOPS
Radeon HD 5870 Mac Edition
+32%
2.72 TFLOPS
Graphics Card
Aug 2012
Release Date
Jun 2010
GeForce 600
Generation
Evergreen
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
823 MHz
Base Clock
-
888 MHz
Boost Clock
-
1400 MHz
Memory Clock
1195 MHz
Memory
1536MB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
192bit
Memory Bus
256bit
134.4GB/s
Bandwidth
153.0GB/s
Render Config
-
Compute Units
20
-
-
-
1152
Shading Units
1600
96
TMUs
80
24
ROPs
32
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
8 KB (per CU)
384 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
21.31 GPixel/s
Pixel Rate
27.20 GPixel/s
85.25 GTexel/s
Texture Rate
68.00 GTexel/s
-
-
-
2.046 TFLOPS
FP32 (float)
2.720 TFLOPS
85.25 GFLOPS
FP64 (double)
544.0 GFLOPS
Board Design
130W
TDP
228W
300 W
Suggested PSU
550 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
1x DVI
2x mini-DisplayPort 1.1
1x 6-pin
Power Connectors
2x 6-pin
Graphics Processor
GK104
GPU Name
Cypress
GK104-200-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
