GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
NVIDIA GeForce GTX 660
83%
83%
AMD Radeon R9 285
137%
137%
AMD Radeon R9 285 is approximately 54% faster
Technical Specifications
| Specification | NVIDIA GeForce GTX 660 | AMD Radeon R9 285 |
|---|---|---|
| Graphics ProcessorDifferent | GK106 | Tonga |
| CoresDifferent | 960 | 1792 |
| TMUsDifferent | 80 | 112 |
| ROPsDifferent | 24 | 32 |
| Memory Size | 2 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus WidthDifferent | 192 bit | 256 bit |
Graphics Processor
| Feature | NVIDIA GeForce GTX 660 | AMD Radeon R9 285 |
|---|---|---|
| GPU NameDifferent | GK106 | Tonga |
| GPU VariantDifferent | GK106-400-A1 | Tonga PRO(215-0851128) |
| ArchitectureDifferent | Kepler | GCN 3.0 |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 28 nm |
| TransistorsDifferent | 2,540 million | 5,000 million |
| DensityDifferent | 11.5M / mm² | 13.7M / mm² |
| Die SizeDifferent | 221 mm² | 366 mm² |
| Chip PackageDifferent | BGA-1425 | N/A |
Graphics Card
| Feature | NVIDIA GeForce GTX 660 | AMD Radeon R9 285 |
|---|---|---|
| Release DateDifferent | Sep 6th, 2012 | Sep 2nd, 2014 |
| 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 | 229 USD | 249 USD |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 77 in our database | 59 in our database |
Clock Speeds
| Feature | NVIDIA GeForce GTX 660 | AMD Radeon R9 285 |
|---|---|---|
| Base ClockDifferent | 980 MHz | N/A |
| Boost ClockDifferent | 1032 MHz | N/A |
| Memory ClockDifferent | 1502 MHz6 Gbps effective | 1375 MHz5.5 Gbps effective |
| GPU ClockDifferent | N/A | 918 MHz |
Memory
| Feature | NVIDIA GeForce GTX 660 | AMD Radeon R9 285 |
|---|---|---|
| Memory Size | 2 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 192 bit | 256 bit |
| BandwidthDifferent | 144.2 GB/s | 176.0 GB/s |
Render Config
| Feature | NVIDIA GeForce GTX 660 | AMD Radeon R9 285 |
|---|---|---|
| Shading UnitsDifferent | 960 | 1792 |
| TMUsDifferent | 80 | 112 |
| ROPsDifferent | 24 | 32 |
| SMX CountDifferent | 5 | N/A |
| L1 CacheDifferent | 16 KB (per SMX) | 16 KB (per CU) |
| L2 CacheDifferent | 384 KB | 512 KB |
| Compute UnitsDifferent | N/A | 28 |
Theoretical Performance
| Feature | NVIDIA GeForce GTX 660 | AMD Radeon R9 285 |
|---|---|---|
| Pixel RateDifferent | 20.64 GPixel/s | 29.38 GPixel/s |
| Texture RateDifferent | 82.56 GTexel/s | 102.8 GTexel/s |
| FP32 (float)Different | 1.981 TFLOPS | 3.290 TFLOPS |
| FP64 (double)Different | 82.56 GFLOPS (1:24) | 205.6 GFLOPS (1:16) |
| FP16 (half)Different | N/A | 3.290 TFLOPS (1:1) |
Board Design
| Feature | NVIDIA GeForce GTX 660 | AMD Radeon R9 285 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 241 mm9.5 inches | 221 mm8.7 inches |
| TDPDifferent | 140 W | 190 W |
| Suggested PSUDifferent | 300 W | 450 W |
| Outputs | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 |
| Power ConnectorsDifferent | 1x 6-pin | 2x 6-pin |
| Board NumberDifferent | P2030 SKU 0 | C766 |
| HeightDifferent | N/A | 109 mm4.3 inches |
| WidthDifferent | N/A | 36 mm1.4 inches |
Graphics Features
| Feature | NVIDIA GeForce GTX 660 | AMD Radeon R9 285 |
|---|---|---|
| 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
52
Detailed Features
More Comparisons with NVIDIA GeForce GTX 660
Compare NVIDIA GeForce GTX 660 with other GPUs of similar performance
NVIDIA GeForce GTX 660 vs Radeon HD 5970
Radeon HD 5970 Performance117%
Radeon HD 5970 is 17% faster than NVIDIA GeForce GTX 660
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NVIDIA GeForce GTX 660 vs GeForce GTX 1630
GeForce GTX 1630 Performance117%
GeForce GTX 1630 is 17% faster than NVIDIA GeForce GTX 660
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NVIDIA GeForce GTX 660 vs GeForce GTX 1050
GeForce GTX 1050 Performance115%
GeForce GTX 1050 is 15% faster than NVIDIA GeForce GTX 660
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NVIDIA GeForce GTX 660 vs GeForce GTX 760
GeForce GTX 760 Performance114%
GeForce GTX 760 is 14% faster than NVIDIA GeForce GTX 660
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NVIDIA GeForce GTX 660 vs GeForce GTX 580
GeForce GTX 580 Performance114%
GeForce GTX 580 is 14% faster than NVIDIA GeForce GTX 660
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NVIDIA GeForce GTX 660 vs GeForce GTX 660 Ti
GeForce GTX 660 Ti Performance113%
GeForce GTX 660 Ti is 13% faster than NVIDIA GeForce GTX 660
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More Comparisons with AMD Radeon R9 285
Compare AMD Radeon R9 285 with other GPUs of similar performance
AMD Radeon R9 285 vs Radeon HD 7970 GHz Edition
Radeon HD 7970 GHz Edition Performance114%
Radeon HD 7970 GHz Edition is 14% faster than AMD Radeon R9 285
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AMD Radeon R9 285 vs GeForce GTX 590
GeForce GTX 590 Performance114%
GeForce GTX 590 is 14% faster than AMD Radeon R9 285
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AMD Radeon R9 285 vs Radeon R9 280X
Radeon R9 280X Performance112%
Radeon R9 280X is 12% faster than AMD Radeon R9 285
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AMD Radeon R9 285 vs Radeon HD 6990
Radeon HD 6990 Performance110%
Radeon HD 6990 is 10% faster than AMD Radeon R9 285
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AMD Radeon R9 285 vs GeForce GTX 1050 Ti
GeForce GTX 1050 Ti Performance104%
GeForce GTX 1050 Ti is 4% faster than AMD Radeon R9 285
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AMD Radeon R9 285 vs GeForce GTX 680
GeForce GTX 680 Performance102%
GeForce GTX 680 is 2% faster than AMD Radeon R9 285
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