GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
NVIDIA GeForce GTX 1660 Ti
AMD Radeon HD 6990
Technical Specifications
| Specification | NVIDIA GeForce GTX 1660 Ti | AMD Radeon HD 6990 |
|---|---|---|
| Graphics ProcessorDifferent | TU116 | Antilles x2 |
| CoresDifferent | 1536 | 1536 x2 |
| TMUsDifferent | 96 | 96 x2 |
| ROPsDifferent | 48 | 32 x2 |
| Memory SizeDifferent | 6 GB | 2 GB x2 |
| Memory TypeDifferent | GDDR6 | GDDR5 |
| Bus WidthDifferent | 192 bit | 256 bit x2 |
Graphics Processor
| Feature | NVIDIA GeForce GTX 1660 Ti | AMD Radeon HD 6990 |
|---|---|---|
| GPU NameDifferent | TU116 | Antilles |
| GPU VariantDifferent | TU116-400-A1 | Antilles XT(215-0807027) |
| ArchitectureDifferent | Turing | TeraScale 3 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 12 nm | 40 nm |
| TransistorsDifferent | 6,600 million | 2,640 million |
| DensityDifferent | 23.2M / mm² | 6.8M / mm² |
| Die SizeDifferent | 284 mm² | 389 mm² |
| Chip PackageDifferent | BGA-2228 | N/A |
Graphics Card
| Feature | NVIDIA GeForce GTX 1660 Ti | AMD Radeon HD 6990 |
|---|---|---|
| Release DateDifferent | Feb 22nd, 2019 | Mar 8th, 2011 |
| GenerationDifferent | GeForce 16 | Northern Islands(HD 6900) |
| PredecessorDifferent | GeForce 10 | Evergreen |
| SuccessorDifferent | GeForce 20 | Southern Islands |
| ProductionDifferent | Active | End-of-life |
| Launch PriceDifferent | 279 USD | 699 USD |
| Current PriceDifferent | Amazon/Newegg | N/A |
| Bus InterfaceDifferent | PCIe 3.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 59 in our database | 47 in our database |
Clock Speeds
| Feature | NVIDIA GeForce GTX 1660 Ti | AMD Radeon HD 6990 |
|---|---|---|
| Base ClockDifferent | 1500 MHz | N/A |
| Boost ClockDifferent | 1770 MHz | N/A |
| Memory ClockDifferent | 1500 MHz12 Gbps effective | 1250 MHz5 Gbps effective |
| GPU ClockDifferent | N/A | 830 MHz |
Memory
| Feature | NVIDIA GeForce GTX 1660 Ti | AMD Radeon HD 6990 |
|---|---|---|
| Memory SizeDifferent | 6 GB | 2 GB |
| Memory TypeDifferent | GDDR6 | GDDR5 |
| Memory BusDifferent | 192 bit | 256 bit |
| BandwidthDifferent | 288.0 GB/s | 160.0 GB/s |
Render Config
| Feature | NVIDIA GeForce GTX 1660 Ti | AMD Radeon HD 6990 |
|---|---|---|
| Shading Units | 1536 | 1536 |
| TMUs | 96 | 96 |
| ROPsDifferent | 48 | 32 |
| SM CountDifferent | 24 | N/A |
| L1 CacheDifferent | 64 KB (per SM) | 8 KB (per CU) |
| L2 CacheDifferent | 1536 KB | 512 KB |
| Compute UnitsDifferent | N/A | 24 |
Theoretical Performance
| Feature | NVIDIA GeForce GTX 1660 Ti | AMD Radeon HD 6990 |
|---|---|---|
| Pixel RateDifferent | 84.96 GPixel/s | 26.56 GPixel/s |
| Texture RateDifferent | 169.9 GTexel/s | 79.68 GTexel/s |
| FP16 (half)Different | 10.87 TFLOPS (2:1) | N/A |
| FP32 (float)Different | 5.437 TFLOPS | 2.550 TFLOPS |
| FP64 (double)Different | 169.9 GFLOPS (1:32) | 637.4 GFLOPS (1:4) |
Board Design
| Feature | NVIDIA GeForce GTX 1660 Ti | AMD Radeon HD 6990 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 229 mm9 inches | 310 mm12.2 inches |
| HeightDifferent | 111 mm4.4 inches | 115 mm4.5 inches |
| WidthDifferent | 35 mm1.4 inches | 40 mm1.6 inches |
| TDPDifferent | 120 W | 375 W |
| Suggested PSUDifferent | 300 W | 750 W |
| OutputsDifferent | 1x DVI1x HDMI 2.01x DisplayPort 1.4a | 1x DVI4x mini-DisplayPort 1.2 |
| Power ConnectorsDifferent | 1x 8-pin | 2x 8-pin |
| Board NumberDifferent | PG160 SKU 21 PG161 SKU 21 | 109-C20647-00 |
Graphics Features
| Feature | NVIDIA GeForce GTX 1660 Ti | AMD Radeon HD 6990 |
|---|---|---|
| DirectXDifferent | 12 (12_1) | 11.2 (11_0) |
| OpenGLDifferent | 4.6 | 4.4 |
| OpenCLDifferent | 3.0 | 1.2 |
| VulkanDifferent | 1.3 | N/A |
| CUDADifferent | 7.5 | N/A |
| Shader ModelDifferent | 6.8 | 5.0 |
Comparison Summary
More Comparisons with NVIDIA GeForce GTX 1660 Ti
Compare NVIDIA GeForce GTX 1660 Ti with other GPUs of similar performance
NVIDIA GeForce GTX 1660 Ti vs GeForce GTX 1080
GeForce GTX 1080 is 19% faster than NVIDIA GeForce GTX 1660 Ti
NVIDIA GeForce GTX 1660 Ti vs GeForce GTX 1070 Ti
GeForce GTX 1070 Ti is 17% faster than NVIDIA GeForce GTX 1660 Ti
NVIDIA GeForce GTX 1660 Ti vs Radeon RX 5600 XT
Radeon RX 5600 XT is 15% faster than NVIDIA GeForce GTX 1660 Ti
NVIDIA GeForce GTX 1660 Ti vs Radeon RX Vega 56
Radeon RX Vega 56 is 10% faster than NVIDIA GeForce GTX 1660 Ti
NVIDIA GeForce GTX 1660 Ti vs GeForce GTX 1070
GeForce GTX 1070 is 6% faster than NVIDIA GeForce GTX 1660 Ti
NVIDIA GeForce GTX 1660 Ti vs GeForce GTX 1660 SUPER
GeForce GTX 1660 SUPER is 0% slower than NVIDIA GeForce GTX 1660 Ti
More Comparisons with AMD Radeon HD 6990
Compare AMD Radeon HD 6990 with other GPUs of similar performance
AMD Radeon HD 6990 vs GeForce GTX 1650
GeForce GTX 1650 is 19% faster than AMD Radeon HD 6990
AMD Radeon HD 6990 vs Radeon RX 6400
Radeon RX 6400 is 17% faster than AMD Radeon HD 6990
AMD Radeon HD 6990 vs Arc A380
Arc A380 is 15% faster than AMD Radeon HD 6990
AMD Radeon HD 6990 vs GeForce GTX 780
GeForce GTX 780 is 15% faster than AMD Radeon HD 6990
AMD Radeon HD 6990 vs Radeon HD 7970 GHz Edition
Radeon HD 7970 GHz Edition is 4% faster than AMD Radeon HD 6990
AMD Radeon HD 6990 vs GeForce GTX 590
GeForce GTX 590 is 4% faster than AMD Radeon HD 6990

