GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
NVIDIA GeForce GTX 660
125%
125%
AMD Radeon HD 7850
90%
90%
NVIDIA GeForce GTX 660 is approximately 35% faster
Technical Specifications
| Specification | NVIDIA GeForce GTX 660 | AMD Radeon HD 7850 |
|---|---|---|
| Graphics ProcessorDifferent | GK106 | Pitcairn |
| CoresDifferent | 960 | 1024 |
| TMUsDifferent | 80 | 64 |
| 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 HD 7850 |
|---|---|---|
| GPU NameDifferent | GK106 | Pitcairn |
| GPU VariantDifferent | GK106-400-A1 | Pitcairn PRO(215-0828062) |
| ArchitectureDifferent | Kepler | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 28 nm |
| TransistorsDifferent | 2,540 million | 2,800 million |
| DensityDifferent | 11.5M / mm² | 13.2M / mm² |
| Die SizeDifferent | 221 mm² | 212 mm² |
| Chip PackageDifferent | BGA-1425 | FCBGA-1737 |
Graphics Card
| Feature | NVIDIA GeForce GTX 660 | AMD Radeon HD 7850 |
|---|---|---|
| Release DateDifferent | Sep 6th, 2012 | Mar 5th, 2012 |
| GenerationDifferent | GeForce 600 | Southern Islands(HD 7800) |
| PredecessorDifferent | GeForce 500 | Northern Islands |
| SuccessorDifferent | GeForce 700 | Sea 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 | 71 in our database |
Clock Speeds
| Feature | NVIDIA GeForce GTX 660 | AMD Radeon HD 7850 |
|---|---|---|
| Base ClockDifferent | 980 MHz | N/A |
| Boost ClockDifferent | 1032 MHz | N/A |
| Memory ClockDifferent | 1502 MHz6 Gbps effective | 1200 MHz4.8 Gbps effective |
| GPU ClockDifferent | N/A | 860 MHz |
Memory
| Feature | NVIDIA GeForce GTX 660 | AMD Radeon HD 7850 |
|---|---|---|
| Memory Size | 2 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 192 bit | 256 bit |
| BandwidthDifferent | 144.2 GB/s | 153.6 GB/s |
Render Config
| Feature | NVIDIA GeForce GTX 660 | AMD Radeon HD 7850 |
|---|---|---|
| Shading UnitsDifferent | 960 | 1024 |
| TMUsDifferent | 80 | 64 |
| 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 | 16 |
Theoretical Performance
| Feature | NVIDIA GeForce GTX 660 | AMD Radeon HD 7850 |
|---|---|---|
| Pixel RateDifferent | 20.64 GPixel/s | 27.52 GPixel/s |
| Texture RateDifferent | 82.56 GTexel/s | 55.04 GTexel/s |
| FP32 (float)Different | 1.981 TFLOPS | 1.761 TFLOPS |
| FP64 (double)Different | 82.56 GFLOPS (1:24) | 110.1 GFLOPS (1:16) |
Board Design
| Feature | NVIDIA GeForce GTX 660 | AMD Radeon HD 7850 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 241 mm9.5 inches | 210 mm8.3 inches |
| TDPDifferent | 140 W | 130 W |
| Suggested PSU | 300 W | 300 W |
| OutputsDifferent | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 |
| Power Connectors | 1x 6-pin | 1x 6-pin |
| Board NumberDifferent | P2030 SKU 0 | 109-C40147-00, 109-C40337-00A |
Graphics Features
| Feature | NVIDIA GeForce GTX 660 | AMD Radeon HD 7850 |
|---|---|---|
| DirectXDifferent | 12 (11_0) | 12 (11_1) |
| OpenGL | 4.6 | 4.6 |
| OpenCLDifferent | 3.0 | 2.1 (1.2) |
| VulkanDifferent | 1.2.175 | 1.2.170 |
| CUDADifferent | 3.0 | N/A |
| Shader Model | 6.5 (5.1) | 6.5 (5.1) |
Comparison Summary
7
Specifications Compared
8
Feature Categories
49
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 HD 7850
Compare AMD Radeon HD 7850 with other GPUs of similar performance
AMD Radeon HD 7850 vs GeForce GTX 950
GeForce GTX 950 Performance120%
GeForce GTX 950 is 20% faster than AMD Radeon HD 7850
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AMD Radeon HD 7850 vs Radeon RX 560
Radeon RX 560 Performance113%
Radeon RX 560 is 13% faster than AMD Radeon HD 7850
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AMD Radeon HD 7850 vs GeForce GTX 570
GeForce GTX 570 Performance111%
GeForce GTX 570 is 11% faster than AMD Radeon HD 7850
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AMD Radeon HD 7850 vs GeForce GTX 660
GeForce GTX 660 Performance111%
GeForce GTX 660 is 11% faster than AMD Radeon HD 7850
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AMD Radeon HD 7850 vs Radeon R7 370
Radeon R7 370 Performance110%
Radeon R7 370 is 10% faster than AMD Radeon HD 7850
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AMD Radeon HD 7850 vs Radeon HD 6970
Radeon HD 6970 Performance106%
Radeon HD 6970 is 6% faster than AMD Radeon HD 7850
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