GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
NVIDIA GeForce RTX 3080
AMD Radeon HD 6950
Technical Specifications
| Specification | NVIDIA GeForce RTX 3080 | AMD Radeon HD 6950 |
|---|---|---|
| Graphics ProcessorDifferent | GA102 | Cayman |
| CoresDifferent | 8704 | 1408 |
| TMUsDifferent | 272 | 88 |
| ROPsDifferent | 96 | 32 |
| Memory SizeDifferent | 10 GB | 2 GB |
| Memory TypeDifferent | GDDR6X | GDDR5 |
| Bus WidthDifferent | 320 bit | 256 bit |
Graphics Processor
| Feature | NVIDIA GeForce RTX 3080 | AMD Radeon HD 6950 |
|---|---|---|
| GPU NameDifferent | GA102 | Cayman |
| GPU VariantDifferent | GA102-200-KD-A1 | Cayman PRO(215-0807019) |
| 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 | AMD Radeon HD 6950 |
|---|---|---|
| Release DateDifferent | Sep 1st, 2020 | Dec 14th, 2010 |
| AvailabilityDifferent | Sep 17th, 2020 | 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 | 699 USD | 299 USD |
| Current PriceDifferent | Amazon/Newegg | N/A |
| Bus InterfaceDifferent | PCIe 4.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 103 in our database | 111 in our database |
Clock Speeds
| Feature | NVIDIA GeForce RTX 3080 | AMD Radeon HD 6950 |
|---|---|---|
| Base ClockDifferent | 1440 MHz | N/A |
| Boost ClockDifferent | 1710 MHz | N/A |
| Memory ClockDifferent | 1188 MHz19 Gbps effective | 1250 MHz5 Gbps effective |
| GPU ClockDifferent | N/A | 800 MHz |
Memory
| Feature | NVIDIA GeForce RTX 3080 | AMD Radeon HD 6950 |
|---|---|---|
| Memory SizeDifferent | 10 GB | 2 GB |
| Memory TypeDifferent | GDDR6X | GDDR5 |
| Memory BusDifferent | 320 bit | 256 bit |
| BandwidthDifferent | 760.3 GB/s | 160.0 GB/s |
Render Config
| Feature | NVIDIA GeForce RTX 3080 | AMD Radeon HD 6950 |
|---|---|---|
| Shading UnitsDifferent | 8704 | 1408 |
| TMUsDifferent | 272 | 88 |
| ROPsDifferent | 96 | 32 |
| SM CountDifferent | 68 | N/A |
| Tensor CoresDifferent | 272 | N/A |
| RT CoresDifferent | 68 | N/A |
| L1 CacheDifferent | 128 KB (per SM) | 8 KB (per CU) |
| L2 CacheDifferent | 5 MB | 512 KB |
| Compute UnitsDifferent | N/A | 22 |
Theoretical Performance
| Feature | NVIDIA GeForce RTX 3080 | AMD Radeon HD 6950 |
|---|---|---|
| Pixel RateDifferent | 164.2 GPixel/s | 25.60 GPixel/s |
| Texture RateDifferent | 465.1 GTexel/s | 70.40 GTexel/s |
| FP16 (half)Different | 29.77 TFLOPS (1:1) | N/A |
| FP32 (float)Different | 29.77 TFLOPS | 2.253 TFLOPS |
| FP64 (double)Different | 465.1 GFLOPS (1:64) | 563.2 GFLOPS (1:4) |
Board Design
| Feature | NVIDIA GeForce RTX 3080 | AMD Radeon HD 6950 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 285 mm11.2 inches | 286 mm11.3 inches |
| HeightDifferent | 112 mm4.4 inches | 126 mm5 inches |
| WidthDifferent | 40 mm1.6 inches | 42 mm1.7 inches |
| TDPDifferent | 320 W | 200 W |
| Suggested PSUDifferent | 700 W | 550 W |
| OutputsDifferent | 1x HDMI 2.13x DisplayPort 1.4a | 2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 |
| Power ConnectorsDifferent | 1x 12-pin | 2x 6-pin |
| Board NumberDifferent | PG132 SKU 30 | 109-C21647-00 |
Graphics Features
| Feature | NVIDIA GeForce RTX 3080 | AMD Radeon HD 6950 |
|---|---|---|
| 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 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 is 15% faster than NVIDIA GeForce RTX 3080
NVIDIA GeForce RTX 3080 vs GeForce RTX 5070
GeForce RTX 5070 is 14% faster than NVIDIA GeForce RTX 3080
NVIDIA GeForce RTX 3080 vs GeForce RTX 3090
GeForce RTX 3090 is 13% faster than NVIDIA GeForce RTX 3080
NVIDIA GeForce RTX 3080 vs GeForce RTX 3080 Ti
GeForce RTX 3080 Ti is 11% faster than NVIDIA GeForce RTX 3080
NVIDIA GeForce RTX 3080 vs GeForce RTX 4070 SUPER
GeForce RTX 4070 SUPER is 7% faster than NVIDIA GeForce RTX 3080
NVIDIA GeForce RTX 3080 vs Radeon RX 7900 GRE
Radeon RX 7900 GRE is 6% faster than NVIDIA GeForce RTX 3080
More Comparisons with AMD Radeon HD 6950
Compare AMD Radeon HD 6950 with other GPUs of similar performance
AMD Radeon HD 6950 vs Radeon RX 560
Radeon RX 560 is 19% faster than AMD Radeon HD 6950
AMD Radeon HD 6950 vs GeForce GTX 570
GeForce GTX 570 is 17% faster than AMD Radeon HD 6950
AMD Radeon HD 6950 vs GeForce GTX 660
GeForce GTX 660 is 17% faster than AMD Radeon HD 6950
AMD Radeon HD 6950 vs Radeon R7 370
Radeon R7 370 is 16% faster than AMD Radeon HD 6950
AMD Radeon HD 6950 vs Radeon HD 6970
Radeon HD 6970 is 12% faster than AMD Radeon HD 6950
AMD Radeon HD 6950 vs GeForce GTX 480
GeForce GTX 480 is 7% faster than AMD Radeon HD 6950

