Home GPU Comparison NVIDIA GeForce GTX 660 Rev. 2 vs AMD Radeon HD 8570 OEM Rebrand

NVIDIA GeForce GTX 660 Rev. 2 vs AMD Radeon HD 8570 OEM Rebrand

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Rev. 2 and 1024MB VRAM Radeon HD 8570 OEM Rebrand 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 1 years and 2 months late
Boost Clock1032MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (144.2GB/s vs 25.60GB/s)
480 additional rendering cores
AMD Radeon HD 8570 OEM Rebrand 's Advantages
Lower TDP (60W vs 140W)

Score

Benchmark

FP32 (float)
GeForce GTX 660 Rev. 2 +217%
1.981 TFLOPS
Radeon HD 8570 OEM Rebrand
0.624 TFLOPS
VS

Graphics Card

Sep 2014
Release Date
Jul 2013
GeForce 600
Generation
Sea Islands
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
800 MHz

Memory

2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR3
192bit
Memory Bus
128bit
144.2GB/s
Bandwidth
25.60GB/s

Render Config

-
Compute Units
6
-
-
-
960
Shading Units
480
80
TMUs
24
24
ROPs
8
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
8 KB (per CU)
384 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

20.64 GPixel/s
Pixel Rate
5.200 GPixel/s
82.56 GTexel/s
Texture Rate
15.60 GTexel/s
-
-
-
1.981 TFLOPS
FP32 (float)
624.0 GFLOPS
82.56 GFLOPS
FP64 (double)
-

Board Design

140W
TDP
60W
300 W
Suggested PSU
250 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.3a 1x VGA
1x 6-pin
Power Connectors
-

Graphics Processor

GK104
GPU Name
Turks
-
GPU Variant
Turks PRO (215-0803002)
Kepler
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
3.54 billion
Transistors
0.716 billion
294 mm²
Die Size
118 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

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