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GPU Comparison

Side-by-side comparison of specifications and performance

Performance Comparison

NVIDIA GeForce GTX 660 Ti

139%
139%

AMD Radeon R9 290X

185%
185%
AMD Radeon R9 290X is approximately 46% faster

Technical Specifications

SpecificationNVIDIA GeForce GTX 660 TiAMD Radeon R9 290X
Graphics ProcessorDifferent
GK104
Hawaii
CoresDifferent
1344
2816
TMUsDifferent
112
176
ROPsDifferent
24
64
Memory SizeDifferent
2 GB
4 GB
Memory Type
GDDR5
GDDR5
Bus WidthDifferent
192 bit
512 bit

Graphics Processor

FeatureNVIDIA GeForce GTX 660 TiAMD Radeon R9 290X
GPU NameDifferent
GK104
Hawaii
GPU VariantDifferent
GK104-300-KD-A2
Hawaii XT(215-0852000)
ArchitectureDifferent
Kepler
GCN 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
TransistorsDifferent
3,540 million
6,200 million
DensityDifferent
12.0M / mm²
14.2M / mm²
Die SizeDifferent
294 mm²
438 mm²
Chip PackageDifferent
BGA-1745
N/A

Graphics Card

FeatureNVIDIA GeForce GTX 660 TiAMD Radeon R9 290X
Release DateDifferent
Aug 16th, 2012
Oct 24th, 2013
GenerationDifferent
GeForce 600
Volcanic Islands(R9 200)
PredecessorDifferent
GeForce 500
Sea Islands
SuccessorDifferent
GeForce 700
Pirate Islands
Production
End-of-life
End-of-life
Launch PriceDifferent
299 USD
549 USD
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
ReviewsDifferent
83 in our database
147 in our database

Clock Speeds

FeatureNVIDIA GeForce GTX 660 TiAMD Radeon R9 290X
Base ClockDifferent
915 MHz
N/A
Boost ClockDifferent
980 MHz
N/A
Memory ClockDifferent
1502 MHz6 Gbps effective
1250 MHz5 Gbps effective
GPU ClockDifferent
N/A
1000 MHz

Memory

FeatureNVIDIA GeForce GTX 660 TiAMD Radeon R9 290X
Memory SizeDifferent
2 GB
4 GB
Memory Type
GDDR5
GDDR5
Memory BusDifferent
192 bit
512 bit
BandwidthDifferent
144.2 GB/s
320.0 GB/s

Render Config

FeatureNVIDIA GeForce GTX 660 TiAMD Radeon R9 290X
Shading UnitsDifferent
1344
2816
TMUsDifferent
112
176
ROPsDifferent
24
64
SMX CountDifferent
7
N/A
L1 CacheDifferent
16 KB (per SMX)
16 KB (per CU)
L2 CacheDifferent
384 KB
1024 KB
Compute UnitsDifferent
N/A
44

Theoretical Performance

FeatureNVIDIA GeForce GTX 660 TiAMD Radeon R9 290X
Pixel RateDifferent
27.44 GPixel/s
64.00 GPixel/s
Texture RateDifferent
109.8 GTexel/s
176.0 GTexel/s
FP32 (float)Different
2.634 TFLOPS
5.632 TFLOPS
FP64 (double)Different
109.8 GFLOPS (1:24)
704.0 GFLOPS (1:8)

Board Design

FeatureNVIDIA GeForce GTX 660 TiAMD Radeon R9 290X
Slot Width
Dual-slot
Dual-slot
LengthDifferent
241 mm9.5 inches
275 mm10.8 inches
TDPDifferent
150 W
290 W
Suggested PSUDifferent
450 W
600 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power ConnectorsDifferent
2x 6-pin
1x 6-pin + 1x 8-pin
Board NumberDifferent
P2004 SKU 1
109-C67157-00_02, 109-C67157-00C_03
HeightDifferent
N/A
109 mm4.3 inches
WidthDifferent
N/A
36 mm1.4 inches

Graphics Features

FeatureNVIDIA GeForce GTX 660 TiAMD Radeon R9 290X
DirectXDifferent
12 (11_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCLDifferent
3.0
2.1
VulkanDifferent
1.2.175
1.2.170
CUDADifferent
3.0
N/A
Shader ModelDifferent
6.5 (5.1)
6.5

Comparison Summary

7
Specifications Compared
8
Feature Categories
51
Detailed Features

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