GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
NVIDIA GeForce RTX 3080
421%
421%
AMD Radeon HD 7990
26%
26%
NVIDIA GeForce RTX 3080 is approximately 395% faster
Technical Specifications
| Specification | NVIDIA GeForce RTX 3080 | AMD Radeon HD 7990 |
|---|---|---|
| Graphics ProcessorDifferent | GA102 | Malta x2 |
| CoresDifferent | 8704 | 2048 x2 |
| TMUsDifferent | 272 | 128 x2 |
| ROPsDifferent | 96 | 32 x2 |
| Memory SizeDifferent | 10 GB | 3 GB x2 |
| Memory TypeDifferent | GDDR6X | GDDR5 |
| Bus WidthDifferent | 320 bit | 384 bit x2 |
Graphics Processor
| Feature | NVIDIA GeForce RTX 3080 | AMD Radeon HD 7990 |
|---|---|---|
| GPU NameDifferent | GA102 | Malta |
| GPU VariantDifferent | GA102-200-KD-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 | AMD Radeon HD 7990 |
|---|---|---|
| Release DateDifferent | Sep 1st, 2020 | Apr 24th, 2013 |
| AvailabilityDifferent | Sep 17th, 2020 | 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 | 699 USD | 999 USD |
| Current PriceDifferent | Amazon/Newegg | N/A |
| Bus InterfaceDifferent | PCIe 4.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 103 in our database | 37 in our database |
Clock Speeds
| Feature | NVIDIA GeForce RTX 3080 | AMD Radeon HD 7990 |
|---|---|---|
| Base ClockDifferent | 1440 MHz | 950 MHz |
| Boost ClockDifferent | 1710 MHz | 1000 MHz |
| Memory ClockDifferent | 1188 MHz19 Gbps effective | 1500 MHz6 Gbps effective |
Memory
| Feature | NVIDIA GeForce RTX 3080 | AMD Radeon HD 7990 |
|---|---|---|
| Memory SizeDifferent | 10 GB | 3 GB |
| Memory TypeDifferent | GDDR6X | GDDR5 |
| Memory BusDifferent | 320 bit | 384 bit |
| BandwidthDifferent | 760.3 GB/s | 288.0 GB/s |
Render Config
| Feature | NVIDIA GeForce RTX 3080 | AMD Radeon HD 7990 |
|---|---|---|
| Shading UnitsDifferent | 8704 | 2048 |
| TMUsDifferent | 272 | 128 |
| ROPsDifferent | 96 | 32 |
| SM CountDifferent | 68 | N/A |
| Tensor CoresDifferent | 272 | N/A |
| RT CoresDifferent | 68 | N/A |
| L1 CacheDifferent | 128 KB (per SM) | 16 KB (per CU) |
| L2 CacheDifferent | 5 MB | 768 KB |
| Compute UnitsDifferent | N/A | 32 |
Theoretical Performance
| Feature | NVIDIA GeForce RTX 3080 | AMD Radeon HD 7990 |
|---|---|---|
| Pixel RateDifferent | 164.2 GPixel/s | 32.00 GPixel/s |
| Texture RateDifferent | 465.1 GTexel/s | 128.0 GTexel/s |
| FP16 (half)Different | 29.77 TFLOPS (1:1) | N/A |
| FP32 (float)Different | 29.77 TFLOPS | 4.096 TFLOPS |
| FP64 (double)Different | 465.1 GFLOPS (1:64) | 1,024.0 GFLOPS (1:4) |
Board Design
| Feature | NVIDIA GeForce RTX 3080 | 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 | 320 W | 375 W |
| Suggested PSUDifferent | 700 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 30 | 109-C47637-00A_02 |
Graphics Features
| Feature | NVIDIA GeForce RTX 3080 | 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
55
Detailed Features
More Comparisons with NVIDIA GeForce RTX 3080
Compare NVIDIA GeForce RTX 3080 with other GPUs of similar performance
NVIDIA GeForce RTX 3080 vs GeForce RTX 4070 Ti
GeForce RTX 4070 Ti Performance115%
GeForce RTX 4070 Ti is 15% faster than NVIDIA GeForce RTX 3080
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NVIDIA GeForce RTX 3080 vs GeForce RTX 5070
GeForce RTX 5070 Performance114%
GeForce RTX 5070 is 14% faster than NVIDIA GeForce RTX 3080
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NVIDIA GeForce RTX 3080 vs GeForce RTX 3090
GeForce RTX 3090 Performance113%
GeForce RTX 3090 is 13% faster than NVIDIA GeForce RTX 3080
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NVIDIA GeForce RTX 3080 vs GeForce RTX 3080 Ti
GeForce RTX 3080 Ti Performance111%
GeForce RTX 3080 Ti is 11% faster than NVIDIA GeForce RTX 3080
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NVIDIA GeForce RTX 3080 vs GeForce RTX 4070 SUPER
GeForce RTX 4070 SUPER Performance107%
GeForce RTX 4070 SUPER is 7% faster than NVIDIA GeForce RTX 3080
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NVIDIA GeForce RTX 3080 vs Radeon RX 7900 GRE
Radeon RX 7900 GRE Performance106%
Radeon RX 7900 GRE is 6% faster than NVIDIA GeForce RTX 3080
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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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