GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
NVIDIA GeForce RTX 4090
2591%
2591%
AMD Radeon HD 6850
4%
4%
NVIDIA GeForce RTX 4090 is approximately 2587% faster
Technical Specifications
| Specification | NVIDIA GeForce RTX 4090 | AMD Radeon HD 6850 |
|---|---|---|
| Graphics ProcessorDifferent | AD102 | Barts |
| CoresDifferent | 16384 | 960 |
| TMUsDifferent | 512 | 48 |
| ROPsDifferent | 176 | 32 |
| Memory SizeDifferent | 24 GB | 1024 MB |
| Memory TypeDifferent | GDDR6X | GDDR5 |
| Bus WidthDifferent | 384 bit | 256 bit |
Graphics Processor
| Feature | NVIDIA GeForce RTX 4090 | AMD Radeon HD 6850 |
|---|---|---|
| GPU NameDifferent | AD102 | Barts |
| GPU VariantDifferent | AD102-300-A1 | Barts PRO(215-0798006) |
| ArchitectureDifferent | Ada Lovelace | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 5 nm | 40 nm |
| TransistorsDifferent | 76,300 million | 1,700 million |
| DensityDifferent | 125.3M / mm² | 6.7M / mm² |
| Die SizeDifferent | 609 mm² | 255 mm² |
| Chip PackageDifferent | N/A | HFCBGA-1737 |
Graphics Card
| Feature | NVIDIA GeForce RTX 4090 | AMD Radeon HD 6850 |
|---|---|---|
| Release DateDifferent | Sep 20th, 2022 | Oct 21st, 2010 |
| AvailabilityDifferent | Oct 12th, 2022 | N/A |
| GenerationDifferent | GeForce 40 | Northern Islands(HD 6800) |
| PredecessorDifferent | GeForce 30 | Evergreen |
| SuccessorDifferent | GeForce 50 | Southern Islands |
| ProductionDifferent | Active | End-of-life |
| Launch PriceDifferent | 1,599 USD | 179 USD |
| Current PriceDifferent | Amazon/Newegg | N/A |
| Bus InterfaceDifferent | PCIe 4.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 76 in our database | 105 in our database |
Clock Speeds
| Feature | NVIDIA GeForce RTX 4090 | AMD Radeon HD 6850 |
|---|---|---|
| Base ClockDifferent | 2235 MHz | N/A |
| Boost ClockDifferent | 2520 MHz | N/A |
| Memory ClockDifferent | 1313 MHz21 Gbps effective | 1000 MHz4 Gbps effective |
| GPU ClockDifferent | N/A | 775 MHz |
Memory
| Feature | NVIDIA GeForce RTX 4090 | AMD Radeon HD 6850 |
|---|---|---|
| Memory SizeDifferent | 24 GB | 1024 MB |
| Memory TypeDifferent | GDDR6X | GDDR5 |
| Memory BusDifferent | 384 bit | 256 bit |
| BandwidthDifferent | 1.01 TB/s | 128.0 GB/s |
Render Config
| Feature | NVIDIA GeForce RTX 4090 | AMD Radeon HD 6850 |
|---|---|---|
| Shading UnitsDifferent | 16384 | 960 |
| TMUsDifferent | 512 | 48 |
| ROPsDifferent | 176 | 32 |
| SM CountDifferent | 128 | N/A |
| Tensor CoresDifferent | 512 | N/A |
| RT CoresDifferent | 128 | N/A |
| L1 CacheDifferent | 128 KB (per SM) | 8 KB (per CU) |
| L2 CacheDifferent | 72 MB | 512 KB |
| Compute UnitsDifferent | N/A | 12 |
Theoretical Performance
| Feature | NVIDIA GeForce RTX 4090 | AMD Radeon HD 6850 |
|---|---|---|
| Pixel RateDifferent | 443.5 GPixel/s | 24.80 GPixel/s |
| Texture RateDifferent | 1,290.2 GTexel/s | 37.20 GTexel/s |
| FP16 (half)Different | 82.58 TFLOPS (1:1) | N/A |
| FP32 (float)Different | 82.58 TFLOPS | 1,488.0 GFLOPS |
| FP64 (double)Different | 1,290.2 GFLOPS (1:64) | N/A |
Board Design
| Feature | NVIDIA GeForce RTX 4090 | AMD Radeon HD 6850 |
|---|---|---|
| Slot WidthDifferent | Triple-slot | Dual-slot |
| LengthDifferent | 304 mm12 inches | 198 mm7.8 inches |
| HeightDifferent | 137 mm5.4 inches | N/A |
| WidthDifferent | 61 mm2.4 inches | N/A |
| TDPDifferent | 450 W | 127 W |
| Suggested PSUDifferent | 850 W | 300 W |
| OutputsDifferent | 1x HDMI 2.13x DisplayPort 1.4a | 2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1 |
| Power ConnectorsDifferent | 1x 16-pin | 1x 6-pin |
| Board NumberDifferent | PG139 SKU 330 | 109-C22301-00B |
Graphics Features
| Feature | NVIDIA GeForce RTX 4090 | AMD Radeon HD 6850 |
|---|---|---|
| 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 | 8.9 | N/A |
| Shader ModelDifferent | 6.8 | 5.0 |
Comparison Summary
7
Specifications Compared
8
Feature Categories
56
Detailed Features
More Comparisons with NVIDIA GeForce RTX 4090
Compare NVIDIA GeForce RTX 4090 with other GPUs of similar performance
NVIDIA GeForce RTX 4090 vs GeForce RTX 4090
GeForce RTX 4090 Performance100%
GeForce RTX 4090 is 0% slower than NVIDIA GeForce RTX 4090
Compare Detailed Specs
NVIDIA GeForce RTX 4090 vs GeForce RTX 5080
GeForce RTX 5080 Performance86%
GeForce RTX 5080 is 14% slower than NVIDIA GeForce RTX 4090
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NVIDIA GeForce RTX 4090 vs GeForce RTX 4090
GeForce RTX 4090 Performance100%
GeForce RTX 4090 is 0% slower than NVIDIA GeForce RTX 4090
Compare Detailed Specs
NVIDIA GeForce RTX 4090 vs GeForce RTX 4090
GeForce RTX 4090 Performance100%
GeForce RTX 4090 is 0% slower than NVIDIA GeForce RTX 4090
Compare Detailed Specs
More Comparisons with AMD Radeon HD 6850
Compare AMD Radeon HD 6850 with other GPUs of similar performance
AMD Radeon HD 6850 vs GeForce GTX 470
GeForce GTX 470 Performance116%
GeForce GTX 470 is 16% faster than AMD Radeon HD 6850
Compare Detailed Specs
AMD Radeon HD 6850 vs GeForce GTX 650 Ti
GeForce GTX 650 Ti Performance111%
GeForce GTX 650 Ti is 11% faster than AMD Radeon HD 6850
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AMD Radeon HD 6850 vs Radeon HD 5850
Radeon HD 5850 Performance109%
Radeon HD 5850 is 9% faster than AMD Radeon HD 6850
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AMD Radeon HD 6850 vs GeForce GTX 285
GeForce GTX 285 Performance102%
GeForce GTX 285 is 2% faster than AMD Radeon HD 6850
Compare Detailed Specs
AMD Radeon HD 6850 vs Radeon HD 6850
Radeon HD 6850 Performance100%
Radeon HD 6850 is 0% slower than AMD Radeon HD 6850
Compare Detailed Specs
AMD Radeon HD 6850 vs GeForce GTX 280
GeForce GTX 280 Performance94%
GeForce GTX 280 is 6% slower than AMD Radeon HD 6850
Compare Detailed Specs

