GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
NVIDIA GeForce RTX 3090 Ti
AMD Radeon HD 6990
Technical Specifications
| Specification | NVIDIA GeForce RTX 3090 Ti | AMD Radeon HD 6990 |
|---|---|---|
| Graphics ProcessorDifferent | GA102 | Antilles x2 |
| CoresDifferent | 10752 | 1536 x2 |
| TMUsDifferent | 336 | 96 x2 |
| ROPsDifferent | 112 | 32 x2 |
| Memory SizeDifferent | 24 GB | 2 GB x2 |
| Memory TypeDifferent | GDDR6X | GDDR5 |
| Bus WidthDifferent | 384 bit | 256 bit x2 |
Graphics Processor
| Feature | NVIDIA GeForce RTX 3090 Ti | AMD Radeon HD 6990 |
|---|---|---|
| GPU NameDifferent | GA102 | Antilles |
| GPU VariantDifferent | GA102-350-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 3090 Ti | AMD Radeon HD 6990 |
|---|---|---|
| Release DateDifferent | Jan 27th, 2022 | Mar 8th, 2011 |
| AvailabilityDifferent | Mar 29th, 2022 | 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 | 1,999 USD | 699 USD |
| Bus InterfaceDifferent | PCIe 4.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 31 in our database | 47 in our database |
Clock Speeds
| Feature | NVIDIA GeForce RTX 3090 Ti | AMD Radeon HD 6990 |
|---|---|---|
| Base ClockDifferent | 1560 MHz | N/A |
| Boost ClockDifferent | 1860 MHz | N/A |
| Memory ClockDifferent | 1313 MHz21 Gbps effective | 1250 MHz5 Gbps effective |
| GPU ClockDifferent | N/A | 830 MHz |
Memory
| Feature | NVIDIA GeForce RTX 3090 Ti | AMD Radeon HD 6990 |
|---|---|---|
| Memory SizeDifferent | 24 GB | 2 GB |
| Memory TypeDifferent | GDDR6X | GDDR5 |
| Memory BusDifferent | 384 bit | 256 bit |
| BandwidthDifferent | 1.01 TB/s | 160.0 GB/s |
Render Config
| Feature | NVIDIA GeForce RTX 3090 Ti | AMD Radeon HD 6990 |
|---|---|---|
| Shading UnitsDifferent | 10752 | 1536 |
| TMUsDifferent | 336 | 96 |
| ROPsDifferent | 112 | 32 |
| SM CountDifferent | 84 | N/A |
| Tensor CoresDifferent | 336 | N/A |
| RT CoresDifferent | 84 | 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 3090 Ti | AMD Radeon HD 6990 |
|---|---|---|
| Pixel RateDifferent | 208.3 GPixel/s | 26.56 GPixel/s |
| Texture RateDifferent | 625.0 GTexel/s | 79.68 GTexel/s |
| FP16 (half)Different | 40.00 TFLOPS (1:1) | N/A |
| FP32 (float)Different | 40.00 TFLOPS | 2.550 TFLOPS |
| FP64 (double)Different | 625.0 GFLOPS (1:64) | 637.4 GFLOPS (1:4) |
Board Design
| Feature | NVIDIA GeForce RTX 3090 Ti | AMD Radeon HD 6990 |
|---|---|---|
| Slot WidthDifferent | Triple-slot | Dual-slot |
| LengthDifferent | 336 mm13.2 inches | 310 mm12.2 inches |
| HeightDifferent | 140 mm5.5 inches | 115 mm4.5 inches |
| WidthDifferent | 61 mm2.4 inches | 40 mm1.6 inches |
| TDPDifferent | 450 W | 375 W |
| Suggested PSUDifferent | 850 W | 750 W |
| OutputsDifferent | 1x HDMI 2.13x DisplayPort 1.4a | 1x DVI4x mini-DisplayPort 1.2 |
| Power ConnectorsDifferent | 1x 16-pin | 2x 8-pin |
| Board NumberDifferent | PG136 SKU 5 | 109-C20647-00 |
Graphics Features
| Feature | NVIDIA GeForce RTX 3090 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
More Comparisons with NVIDIA GeForce RTX 3090 Ti
Compare NVIDIA GeForce RTX 3090 Ti with other GPUs of similar performance
NVIDIA GeForce RTX 3090 Ti vs GeForce RTX 4080 SUPER
GeForce RTX 4080 SUPER is 19% faster than NVIDIA GeForce RTX 3090 Ti
NVIDIA GeForce RTX 3090 Ti vs GeForce RTX 4080
GeForce RTX 4080 is 18% faster than NVIDIA GeForce RTX 3090 Ti
NVIDIA GeForce RTX 3090 Ti vs Radeon RX 7900 XTX
Radeon RX 7900 XTX is 18% faster than NVIDIA GeForce RTX 3090 Ti
NVIDIA GeForce RTX 3090 Ti vs GeForce RTX 5070 Ti
GeForce RTX 5070 Ti is 17% faster than NVIDIA GeForce RTX 3090 Ti
NVIDIA GeForce RTX 3090 Ti vs Radeon RX 9070 XT
Radeon RX 9070 XT is 11% faster than NVIDIA GeForce RTX 3090 Ti
NVIDIA GeForce RTX 3090 Ti vs Radeon RX 7900 XT
Radeon RX 7900 XT is 2% faster than NVIDIA GeForce RTX 3090 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

