GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
NVIDIA GeForce GTX 1660 Ti
133%
133%
AMD Radeon HD 7990
75%
75%
NVIDIA GeForce GTX 1660 Ti is approximately 58% faster
Technical Specifications
| Specification | NVIDIA GeForce GTX 1660 Ti | AMD Radeon HD 7990 |
|---|---|---|
| Graphics ProcessorDifferent | TU116 | Malta x2 |
| CoresDifferent | 1536 | 2048 x2 |
| TMUsDifferent | 96 | 128 x2 |
| ROPsDifferent | 48 | 32 x2 |
| Memory SizeDifferent | 6 GB | 3 GB x2 |
| Memory TypeDifferent | GDDR6 | GDDR5 |
| Bus WidthDifferent | 192 bit | 384 bit x2 |
Graphics Processor
| Feature | NVIDIA GeForce GTX 1660 Ti | AMD Radeon HD 7990 |
|---|---|---|
| GPU NameDifferent | TU116 | Malta |
| GPU VariantDifferent | TU116-400-A1 | Malta XT(215-0849026) |
| ArchitectureDifferent | Turing | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 12 nm | 28 nm |
| TransistorsDifferent | 6,600 million | 4,313 million |
| DensityDifferent | 23.2M / mm² | 11.8M / mm² |
| Die SizeDifferent | 284 mm² | 365 mm² |
| Chip PackageDifferent | BGA-2228 | N/A |
Graphics Card
| Feature | NVIDIA GeForce GTX 1660 Ti | AMD Radeon HD 7990 |
|---|---|---|
| Release DateDifferent | Feb 22nd, 2019 | Apr 24th, 2013 |
| GenerationDifferent | GeForce 16 | Southern Islands(HD 7900) |
| PredecessorDifferent | GeForce 10 | Northern Islands |
| SuccessorDifferent | GeForce 20 | Sea Islands |
| ProductionDifferent | Active | End-of-life |
| Launch PriceDifferent | 279 USD | 999 USD |
| Current PriceDifferent | Amazon/Newegg | N/A |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 59 in our database | 37 in our database |
Clock Speeds
| Feature | NVIDIA GeForce GTX 1660 Ti | AMD Radeon HD 7990 |
|---|---|---|
| Base ClockDifferent | 1500 MHz | 950 MHz |
| Boost ClockDifferent | 1770 MHz | 1000 MHz |
| Memory ClockDifferent | 1500 MHz12 Gbps effective | 1500 MHz6 Gbps effective |
Memory
| Feature | NVIDIA GeForce GTX 1660 Ti | AMD Radeon HD 7990 |
|---|---|---|
| Memory SizeDifferent | 6 GB | 3 GB |
| Memory TypeDifferent | GDDR6 | GDDR5 |
| Memory BusDifferent | 192 bit | 384 bit |
| Bandwidth | 288.0 GB/s | 288.0 GB/s |
Render Config
| Feature | NVIDIA GeForce GTX 1660 Ti | AMD Radeon HD 7990 |
|---|---|---|
| Shading UnitsDifferent | 1536 | 2048 |
| TMUsDifferent | 96 | 128 |
| ROPsDifferent | 48 | 32 |
| SM CountDifferent | 24 | N/A |
| L1 CacheDifferent | 64 KB (per SM) | 16 KB (per CU) |
| L2 CacheDifferent | 1536 KB | 768 KB |
| Compute UnitsDifferent | N/A | 32 |
Theoretical Performance
| Feature | NVIDIA GeForce GTX 1660 Ti | AMD Radeon HD 7990 |
|---|---|---|
| Pixel RateDifferent | 84.96 GPixel/s | 32.00 GPixel/s |
| Texture RateDifferent | 169.9 GTexel/s | 128.0 GTexel/s |
| FP16 (half)Different | 10.87 TFLOPS (2:1) | N/A |
| FP32 (float)Different | 5.437 TFLOPS | 4.096 TFLOPS |
| FP64 (double)Different | 169.9 GFLOPS (1:32) | 1,024.0 GFLOPS (1:4) |
Board Design
| Feature | NVIDIA GeForce GTX 1660 Ti | AMD Radeon HD 7990 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 229 mm9 inches | 304 mm12 inches |
| HeightDifferent | 111 mm4.4 inches | 106 mm4.2 inches |
| WidthDifferent | 35 mm1.4 inches | 38 mm1.5 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-C47637-00A_02 |
Graphics Features
| Feature | NVIDIA GeForce GTX 1660 Ti | AMD Radeon HD 7990 |
|---|---|---|
| DirectXDifferent | 12 (12_1) | 12 (11_1) |
| OpenGL | 4.6 | 4.6 |
| OpenCLDifferent | 3.0 | 2.1 (1.2) |
| VulkanDifferent | 1.3 | 1.2.175 |
| CUDADifferent | 7.5 | N/A |
| Shader ModelDifferent | 6.8 | 6.5 (5.1) |
Comparison Summary
7
Specifications Compared
8
Feature Categories
52
Detailed Features
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 Performance119%
GeForce GTX 1080 is 19% faster than NVIDIA GeForce GTX 1660 Ti
Compare Detailed Specs
NVIDIA GeForce GTX 1660 Ti vs GeForce GTX 1070 Ti
GeForce GTX 1070 Ti Performance117%
GeForce GTX 1070 Ti is 17% faster than NVIDIA GeForce GTX 1660 Ti
Compare Detailed Specs
NVIDIA GeForce GTX 1660 Ti vs Radeon RX 5600 XT
Radeon RX 5600 XT Performance115%
Radeon RX 5600 XT is 15% faster than NVIDIA GeForce GTX 1660 Ti
Compare Detailed Specs
NVIDIA GeForce GTX 1660 Ti vs Radeon RX Vega 56
Radeon RX Vega 56 Performance110%
Radeon RX Vega 56 is 10% faster than NVIDIA GeForce GTX 1660 Ti
Compare Detailed Specs
NVIDIA GeForce GTX 1660 Ti vs GeForce GTX 1070
GeForce GTX 1070 Performance106%
GeForce GTX 1070 is 6% faster than NVIDIA GeForce GTX 1660 Ti
Compare Detailed Specs
NVIDIA GeForce GTX 1660 Ti vs GeForce GTX 1660 SUPER
GeForce GTX 1660 SUPER Performance100%
GeForce GTX 1660 SUPER is 0% slower than NVIDIA GeForce GTX 1660 Ti
Compare Detailed Specs
More Comparisons with AMD Radeon HD 7990
Compare AMD Radeon HD 7990 with other GPUs of similar performance
AMD Radeon HD 7990 vs Radeon RX 590
Radeon RX 590 Performance115%
Radeon RX 590 is 15% faster than AMD Radeon HD 7990
Compare Detailed Specs
AMD Radeon HD 7990 vs Radeon R9 FURY
Radeon R9 FURY Performance112%
Radeon R9 FURY is 12% faster than AMD Radeon HD 7990
Compare Detailed Specs
AMD Radeon HD 7990 vs GeForce GTX 980
GeForce GTX 980 Performance111%
GeForce GTX 980 is 11% faster than AMD Radeon HD 7990
Compare Detailed Specs
AMD Radeon HD 7990 vs GeForce GTX 1650 SUPER
GeForce GTX 1650 SUPER Performance110%
GeForce GTX 1650 SUPER is 10% faster than AMD Radeon HD 7990
Compare Detailed Specs
AMD Radeon HD 7990 vs Radeon RX 6500 XT
Radeon RX 6500 XT Performance109%
Radeon RX 6500 XT is 9% faster than AMD Radeon HD 7990
Compare Detailed Specs
AMD Radeon HD 7990 vs Radeon RX 5500 XT
Radeon RX 5500 XT Performance108%
Radeon RX 5500 XT is 8% faster than AMD Radeon HD 7990
Compare Detailed Specs