GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
NVIDIA GeForce RTX 3080 Ti
421%
421%
AMD Radeon HD 7990
24%
24%
NVIDIA GeForce RTX 3080 Ti is approximately 397% faster
Technical Specifications
| Specification | NVIDIA GeForce RTX 3080 Ti | AMD Radeon HD 7990 |
|---|---|---|
| Graphics ProcessorDifferent | GA102 | Malta x2 |
| CoresDifferent | 10240 | 2048 x2 |
| TMUsDifferent | 320 | 128 x2 |
| ROPsDifferent | 112 | 32 x2 |
| Memory SizeDifferent | 12 GB | 3 GB x2 |
| Memory TypeDifferent | GDDR6X | GDDR5 |
| Bus WidthDifferent | 384 bit | 384 bit x2 |
Graphics Processor
| Feature | NVIDIA GeForce RTX 3080 Ti | AMD Radeon HD 7990 |
|---|---|---|
| GPU NameDifferent | GA102 | Malta |
| GPU VariantDifferent | GA102-225-A1 | Malta XT(215-0849026) |
| ArchitectureDifferent | Ampere | GCN 1.0 |
| FoundryDifferent | Samsung | TSMC |
| Process SizeDifferent | 8 nm | 28 nm |
| TransistorsDifferent | 28,300 million | 4,313 million |
| DensityDifferent | 45.1M / mm² | 11.8M / mm² |
| Die SizeDifferent | 628 mm² | 365 mm² |
| Chip PackageDifferent | BGA-3328 | N/A |
Graphics Card
| Feature | NVIDIA GeForce RTX 3080 Ti | AMD Radeon HD 7990 |
|---|---|---|
| Release DateDifferent | May 31st, 2021 | Apr 24th, 2013 |
| AvailabilityDifferent | Jun 3rd, 2021 | N/A |
| GenerationDifferent | GeForce 30 | Southern Islands(HD 7900) |
| PredecessorDifferent | GeForce 20 | Northern Islands |
| SuccessorDifferent | GeForce 40 | Sea Islands |
| ProductionDifferent | Active | End-of-life |
| Launch PriceDifferent | 1,199 USD | 999 USD |
| Bus InterfaceDifferent | PCIe 4.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 59 in our database | 37 in our database |
Clock Speeds
| Feature | NVIDIA GeForce RTX 3080 Ti | AMD Radeon HD 7990 |
|---|---|---|
| Base ClockDifferent | 1365 MHz | 950 MHz |
| Boost ClockDifferent | 1665 MHz | 1000 MHz |
| Memory ClockDifferent | 1188 MHz19 Gbps effective | 1500 MHz6 Gbps effective |
Memory
| Feature | NVIDIA GeForce RTX 3080 Ti | AMD Radeon HD 7990 |
|---|---|---|
| Memory SizeDifferent | 12 GB | 3 GB |
| Memory TypeDifferent | GDDR6X | GDDR5 |
| Memory Bus | 384 bit | 384 bit |
| BandwidthDifferent | 912.4 GB/s | 288.0 GB/s |
Render Config
| Feature | NVIDIA GeForce RTX 3080 Ti | AMD Radeon HD 7990 |
|---|---|---|
| Shading UnitsDifferent | 10240 | 2048 |
| TMUsDifferent | 320 | 128 |
| ROPsDifferent | 112 | 32 |
| SM CountDifferent | 80 | N/A |
| Tensor CoresDifferent | 320 | N/A |
| RT CoresDifferent | 80 | N/A |
| L1 CacheDifferent | 128 KB (per SM) | 16 KB (per CU) |
| L2 CacheDifferent | 6 MB | 768 KB |
| Compute UnitsDifferent | N/A | 32 |
Theoretical Performance
| Feature | NVIDIA GeForce RTX 3080 Ti | AMD Radeon HD 7990 |
|---|---|---|
| Pixel RateDifferent | 186.5 GPixel/s | 32.00 GPixel/s |
| Texture RateDifferent | 532.8 GTexel/s | 128.0 GTexel/s |
| FP16 (half)Different | 34.10 TFLOPS (1:1) | N/A |
| FP32 (float)Different | 34.10 TFLOPS | 4.096 TFLOPS |
| FP64 (double)Different | 532.8 GFLOPS (1:64) | 1,024.0 GFLOPS (1:4) |
Board Design
| Feature | NVIDIA GeForce RTX 3080 Ti | AMD Radeon HD 7990 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 285 mm11.2 inches | 304 mm12 inches |
| HeightDifferent | 112 mm4.4 inches | 106 mm4.2 inches |
| WidthDifferent | 40 mm1.6 inches | 38 mm1.5 inches |
| TDPDifferent | 350 W | 375 W |
| Suggested PSU | 750 W | 750 W |
| OutputsDifferent | 1x HDMI 2.13x DisplayPort 1.4a | 1x DVI4x mini-DisplayPort 1.2 |
| Power ConnectorsDifferent | 1x 12-pin | 2x 8-pin |
| Board NumberDifferent | PG132 SKU 18 | 109-C47637-00A_02 |
Graphics Features
| Feature | NVIDIA GeForce RTX 3080 Ti | AMD Radeon HD 7990 |
|---|---|---|
| DirectXDifferent | 12 Ultimate (12_2) | 12 (11_1) |
| OpenGL | 4.6 | 4.6 |
| OpenCLDifferent | 3.0 | 2.1 (1.2) |
| VulkanDifferent | 1.3 | 1.2.175 |
| CUDADifferent | 8.6 | N/A |
| Shader ModelDifferent | 6.8 | 6.5 (5.1) |
Comparison Summary
7
Specifications Compared
8
Feature Categories
54
Detailed Features
More Comparisons with NVIDIA GeForce RTX 3080 Ti
Compare NVIDIA GeForce RTX 3080 Ti with other GPUs of similar performance
NVIDIA GeForce RTX 3080 Ti vs Radeon RX 7900 XT
Radeon RX 7900 XT Performance116%
Radeon RX 7900 XT is 16% faster than NVIDIA GeForce RTX 3080 Ti
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NVIDIA GeForce RTX 3080 Ti vs GeForce RTX 3090 Ti
GeForce RTX 3090 Ti Performance114%
GeForce RTX 3090 Ti is 14% faster than NVIDIA GeForce RTX 3080 Ti
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NVIDIA GeForce RTX 3080 Ti vs GeForce RTX 4070 Ti SUPER
GeForce RTX 4070 Ti SUPER Performance113%
GeForce RTX 4070 Ti SUPER is 13% faster than NVIDIA GeForce RTX 3080 Ti
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NVIDIA GeForce RTX 3080 Ti vs Radeon RX 9070
Radeon RX 9070 Performance113%
Radeon RX 9070 is 13% faster than NVIDIA GeForce RTX 3080 Ti
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NVIDIA GeForce RTX 3080 Ti vs GeForce RTX 4070 Ti
GeForce RTX 4070 Ti Performance104%
GeForce RTX 4070 Ti is 4% faster than NVIDIA GeForce RTX 3080 Ti
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NVIDIA GeForce RTX 3080 Ti vs GeForce RTX 5070
GeForce RTX 5070 Performance103%
GeForce RTX 5070 is 3% faster than NVIDIA GeForce RTX 3080 Ti
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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
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AMD Radeon HD 7990 vs Radeon R9 FURY
Radeon R9 FURY Performance112%
Radeon R9 FURY is 12% faster than AMD Radeon HD 7990
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AMD Radeon HD 7990 vs GeForce GTX 980
GeForce GTX 980 Performance111%
GeForce GTX 980 is 11% faster than AMD Radeon HD 7990
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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
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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
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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
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