GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
NVIDIA GeForce RTX 3080 Ti
615%
615%
AMD Radeon HD 6990
16%
16%
NVIDIA GeForce RTX 3080 Ti is approximately 599% faster
Technical Specifications
| Specification | NVIDIA GeForce RTX 3080 Ti | AMD Radeon HD 6990 |
|---|---|---|
| Graphics ProcessorDifferent | GA102 | Antilles x2 |
| CoresDifferent | 10240 | 1536 x2 |
| TMUsDifferent | 320 | 96 x2 |
| ROPsDifferent | 112 | 32 x2 |
| Memory SizeDifferent | 12 GB | 2 GB x2 |
| Memory TypeDifferent | GDDR6X | GDDR5 |
| Bus WidthDifferent | 384 bit | 256 bit x2 |
Graphics Processor
| Feature | NVIDIA GeForce RTX 3080 Ti | AMD Radeon HD 6990 |
|---|---|---|
| GPU NameDifferent | GA102 | Antilles |
| GPU VariantDifferent | GA102-225-A1 | Antilles XT(215-0807027) |
| ArchitectureDifferent | Ampere | TeraScale 3 |
| FoundryDifferent | Samsung | TSMC |
| Process SizeDifferent | 8 nm | 40 nm |
| TransistorsDifferent | 28,300 million | 2,640 million |
| DensityDifferent | 45.1M / mm² | 6.8M / mm² |
| Die SizeDifferent | 628 mm² | 389 mm² |
| Chip PackageDifferent | BGA-3328 | N/A |
Graphics Card
| Feature | NVIDIA GeForce RTX 3080 Ti | AMD Radeon HD 6990 |
|---|---|---|
| Release DateDifferent | May 31st, 2021 | Mar 8th, 2011 |
| AvailabilityDifferent | Jun 3rd, 2021 | N/A |
| GenerationDifferent | GeForce 30 | Northern Islands(HD 6900) |
| PredecessorDifferent | GeForce 20 | Evergreen |
| SuccessorDifferent | GeForce 40 | Southern Islands |
| ProductionDifferent | Active | End-of-life |
| Launch PriceDifferent | 1,199 USD | 699 USD |
| Bus InterfaceDifferent | PCIe 4.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 59 in our database | 47 in our database |
Clock Speeds
| Feature | NVIDIA GeForce RTX 3080 Ti | AMD Radeon HD 6990 |
|---|---|---|
| Base ClockDifferent | 1365 MHz | N/A |
| Boost ClockDifferent | 1665 MHz | N/A |
| Memory ClockDifferent | 1188 MHz19 Gbps effective | 1250 MHz5 Gbps effective |
| GPU ClockDifferent | N/A | 830 MHz |
Memory
| Feature | NVIDIA GeForce RTX 3080 Ti | AMD Radeon HD 6990 |
|---|---|---|
| Memory SizeDifferent | 12 GB | 2 GB |
| Memory TypeDifferent | GDDR6X | GDDR5 |
| Memory BusDifferent | 384 bit | 256 bit |
| BandwidthDifferent | 912.4 GB/s | 160.0 GB/s |
Render Config
| Feature | NVIDIA GeForce RTX 3080 Ti | AMD Radeon HD 6990 |
|---|---|---|
| Shading UnitsDifferent | 10240 | 1536 |
| TMUsDifferent | 320 | 96 |
| ROPsDifferent | 112 | 32 |
| SM CountDifferent | 80 | N/A |
| Tensor CoresDifferent | 320 | N/A |
| RT CoresDifferent | 80 | N/A |
| L1 CacheDifferent | 128 KB (per SM) | 8 KB (per CU) |
| L2 CacheDifferent | 6 MB | 512 KB |
| Compute UnitsDifferent | N/A | 24 |
Theoretical Performance
| Feature | NVIDIA GeForce RTX 3080 Ti | AMD Radeon HD 6990 |
|---|---|---|
| Pixel RateDifferent | 186.5 GPixel/s | 26.56 GPixel/s |
| Texture RateDifferent | 532.8 GTexel/s | 79.68 GTexel/s |
| FP16 (half)Different | 34.10 TFLOPS (1:1) | N/A |
| FP32 (float)Different | 34.10 TFLOPS | 2.550 TFLOPS |
| FP64 (double)Different | 532.8 GFLOPS (1:64) | 637.4 GFLOPS (1:4) |
Board Design
| Feature | NVIDIA GeForce RTX 3080 Ti | AMD Radeon HD 6990 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 285 mm11.2 inches | 310 mm12.2 inches |
| HeightDifferent | 112 mm4.4 inches | 115 mm4.5 inches |
| Width | 40 mm1.6 inches | 40 mm1.6 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-C20647-00 |
Graphics Features
| Feature | NVIDIA GeForce RTX 3080 Ti | AMD Radeon HD 6990 |
|---|---|---|
| DirectXDifferent | 12 Ultimate (12_2) | 11.2 (11_0) |
| OpenGLDifferent | 4.6 | 4.4 |
| OpenCLDifferent | 3.0 | 1.2 |
| VulkanDifferent | 1.3 | N/A |
| CUDADifferent | 8.6 | N/A |
| Shader ModelDifferent | 6.8 | 5.0 |
Comparison Summary
7
Specifications Compared
8
Feature Categories
55
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 6990
Compare AMD Radeon HD 6990 with other GPUs of similar performance
AMD Radeon HD 6990 vs GeForce GTX 1650
GeForce GTX 1650 Performance119%
GeForce GTX 1650 is 19% faster than AMD Radeon HD 6990
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AMD Radeon HD 6990 vs Radeon RX 6400
Radeon RX 6400 Performance117%
Radeon RX 6400 is 17% faster than AMD Radeon HD 6990
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AMD Radeon HD 6990 vs Arc A380
Arc A380 Performance115%
Arc A380 is 15% faster than AMD Radeon HD 6990
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AMD Radeon HD 6990 vs GeForce GTX 780
GeForce GTX 780 Performance115%
GeForce GTX 780 is 15% faster than AMD Radeon HD 6990
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AMD Radeon HD 6990 vs Radeon HD 7970 GHz Edition
Radeon HD 7970 GHz Edition Performance104%
Radeon HD 7970 GHz Edition is 4% faster than AMD Radeon HD 6990
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AMD Radeon HD 6990 vs GeForce GTX 590
GeForce GTX 590 Performance104%
GeForce GTX 590 is 4% faster than AMD Radeon HD 6990
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