Home GPU Comparison NVIDIA GeForce GTX 660 Rev. 2 vs AMD Radeon R7 240

NVIDIA GeForce GTX 660 Rev. 2 vs AMD Radeon R7 240

NVIDIA GeForce GTX 660 Rev. 2
VS
AMD Radeon R7 240
NVIDIA GeForce GTX 660 Rev. 2
AMD Radeon R7 240
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Rev. 2 and 2GB VRAM Radeon R7 240 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 11 months late
Boost Clock has increased by 32% (1032MHz vs 780MHz)
Larger VRAM bandwidth (144.2GB/s vs 28.80GB/s)
640 additional rendering cores
AMD Radeon R7 240 's Advantages
Lower TDP (30W vs 140W)

Score

Benchmark

FP32 (float)
GeForce GTX 660 Rev. 2 +296%
1.981 TFLOPS
Radeon R7 240
0.499 TFLOPS
GeForce GTX 660 Rev. 2
VS
Radeon R7 240

Graphics Card

Sep 2014
Release Date
Oct 2013
GeForce 600
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x8

Clock Speeds

980 MHz
Base Clock
730 MHz
1032 MHz
Boost Clock
780 MHz
1502 MHz
Memory Clock
900 MHz

Memory

2GB
Memory Size
2GB
GDDR5
Memory Type
DDR3
192bit
Memory Bus
128bit
144.2GB/s
Bandwidth
28.80GB/s

Render Config

-
Compute Units
5
-
-
-
960
Shading Units
320
80
TMUs
20
24
ROPs
8
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per CU)
384 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

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

Board Design

140W
TDP
30W
300 W
Suggested PSU
200 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.4a 1x VGA
1x 6-pin
Power Connectors
None

Graphics Processor

GK104
GPU Name
Oland
-
GPU Variant
Oland PRO (215-0837015)
Kepler
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
3.54 billion
Transistors
0.95 billion
294 mm²
Die Size
77 mm²

Graphics Features

12 (11_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
3.0
OpenCL
1.2
1.1
Vulkan
1.2
3.0
CUDA
-
5.1
Shader Model
5.1

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