GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
NVIDIA GeForce RTX 4090
1800%
1800%
AMD Radeon HD 7850
6%
6%
NVIDIA GeForce RTX 4090 is approximately 1794% faster
Technical Specifications
| Specification | NVIDIA GeForce RTX 4090 | AMD Radeon HD 7850 |
|---|---|---|
| Graphics ProcessorDifferent | AD102 | Pitcairn |
| CoresDifferent | 16384 | 1024 |
| TMUsDifferent | 512 | 64 |
| ROPsDifferent | 176 | 32 |
| Memory SizeDifferent | 24 GB | 2 GB |
| Memory TypeDifferent | GDDR6X | GDDR5 |
| Bus WidthDifferent | 384 bit | 256 bit |
Graphics Processor
| Feature | NVIDIA GeForce RTX 4090 | AMD Radeon HD 7850 |
|---|---|---|
| GPU NameDifferent | AD102 | Pitcairn |
| GPU VariantDifferent | AD102-300-A1 | Pitcairn PRO(215-0828062) |
| ArchitectureDifferent | Ada Lovelace | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 5 nm | 28 nm |
| TransistorsDifferent | 76,300 million | 2,800 million |
| DensityDifferent | 125.3M / mm² | 13.2M / mm² |
| Die SizeDifferent | 609 mm² | 212 mm² |
| Chip PackageDifferent | N/A | FCBGA-1737 |
Graphics Card
| Feature | NVIDIA GeForce RTX 4090 | AMD Radeon HD 7850 |
|---|---|---|
| Release DateDifferent | Sep 20th, 2022 | Mar 5th, 2012 |
| AvailabilityDifferent | Oct 12th, 2022 | N/A |
| GenerationDifferent | GeForce 40 | Southern Islands(HD 7800) |
| PredecessorDifferent | GeForce 30 | Northern Islands |
| SuccessorDifferent | GeForce 50 | Sea Islands |
| ProductionDifferent | Active | End-of-life |
| Launch PriceDifferent | 1,599 USD | 249 USD |
| Current PriceDifferent | Amazon/Newegg | N/A |
| Bus InterfaceDifferent | PCIe 4.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 76 in our database | 71 in our database |
Clock Speeds
| Feature | NVIDIA GeForce RTX 4090 | AMD Radeon HD 7850 |
|---|---|---|
| Base ClockDifferent | 2235 MHz | N/A |
| Boost ClockDifferent | 2520 MHz | N/A |
| Memory ClockDifferent | 1313 MHz21 Gbps effective | 1200 MHz4.8 Gbps effective |
| GPU ClockDifferent | N/A | 860 MHz |
Memory
| Feature | NVIDIA GeForce RTX 4090 | AMD Radeon HD 7850 |
|---|---|---|
| Memory SizeDifferent | 24 GB | 2 GB |
| Memory TypeDifferent | GDDR6X | GDDR5 |
| Memory BusDifferent | 384 bit | 256 bit |
| BandwidthDifferent | 1.01 TB/s | 153.6 GB/s |
Render Config
| Feature | NVIDIA GeForce RTX 4090 | AMD Radeon HD 7850 |
|---|---|---|
| Shading UnitsDifferent | 16384 | 1024 |
| TMUsDifferent | 512 | 64 |
| ROPsDifferent | 176 | 32 |
| SM CountDifferent | 128 | N/A |
| Tensor CoresDifferent | 512 | N/A |
| RT CoresDifferent | 128 | N/A |
| L1 CacheDifferent | 128 KB (per SM) | 16 KB (per CU) |
| L2 CacheDifferent | 72 MB | 512 KB |
| Compute UnitsDifferent | N/A | 16 |
Theoretical Performance
| Feature | NVIDIA GeForce RTX 4090 | AMD Radeon HD 7850 |
|---|---|---|
| Pixel RateDifferent | 443.5 GPixel/s | 27.52 GPixel/s |
| Texture RateDifferent | 1,290.2 GTexel/s | 55.04 GTexel/s |
| FP16 (half)Different | 82.58 TFLOPS (1:1) | N/A |
| FP32 (float)Different | 82.58 TFLOPS | 1.761 TFLOPS |
| FP64 (double)Different | 1,290.2 GFLOPS (1:64) | 110.1 GFLOPS (1:16) |
Board Design
| Feature | NVIDIA GeForce RTX 4090 | AMD Radeon HD 7850 |
|---|---|---|
| Slot WidthDifferent | Triple-slot | Dual-slot |
| LengthDifferent | 304 mm12 inches | 210 mm8.3 inches |
| HeightDifferent | 137 mm5.4 inches | N/A |
| WidthDifferent | 61 mm2.4 inches | N/A |
| TDPDifferent | 450 W | 130 W |
| Suggested PSUDifferent | 850 W | 300 W |
| OutputsDifferent | 1x HDMI 2.13x DisplayPort 1.4a | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 |
| Power ConnectorsDifferent | 1x 16-pin | 1x 6-pin |
| Board NumberDifferent | PG139 SKU 330 | 109-C40147-00, 109-C40337-00A |
Graphics Features
| Feature | NVIDIA GeForce RTX 4090 | AMD Radeon HD 7850 |
|---|---|---|
| DirectXDifferent | 12 Ultimate (12_2) | 12 (11_1) |
| OpenGL | 4.6 | 4.6 |
| OpenCLDifferent | 3.0 | 2.1 (1.2) |
| VulkanDifferent | 1.3 | 1.2.170 |
| CUDADifferent | 8.9 | N/A |
| Shader ModelDifferent | 6.8 | 6.5 (5.1) |
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 7850
Compare AMD Radeon HD 7850 with other GPUs of similar performance
AMD Radeon HD 7850 vs GeForce GTX 950
GeForce GTX 950 Performance120%
GeForce GTX 950 is 20% faster than AMD Radeon HD 7850
Compare Detailed Specs
AMD Radeon HD 7850 vs Radeon RX 560
Radeon RX 560 Performance113%
Radeon RX 560 is 13% faster than AMD Radeon HD 7850
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AMD Radeon HD 7850 vs GeForce GTX 570
GeForce GTX 570 Performance111%
GeForce GTX 570 is 11% faster than AMD Radeon HD 7850
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AMD Radeon HD 7850 vs GeForce GTX 660
GeForce GTX 660 Performance111%
GeForce GTX 660 is 11% faster than AMD Radeon HD 7850
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AMD Radeon HD 7850 vs Radeon R7 370
Radeon R7 370 Performance110%
Radeon R7 370 is 10% faster than AMD Radeon HD 7850
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AMD Radeon HD 7850 vs Radeon HD 6970
Radeon HD 6970 Performance106%
Radeon HD 6970 is 6% faster than AMD Radeon HD 7850
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