GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon RX 6950 XT
395%
395%
AMD Radeon HD 7990
25%
25%
AMD Radeon RX 6950 XT is approximately 370% faster
Technical Specifications
| Specification | AMD Radeon RX 6950 XT | AMD Radeon HD 7990 |
|---|---|---|
| Graphics ProcessorDifferent | Navi 21 | Malta x2 |
| CoresDifferent | 5120 | 2048 x2 |
| TMUsDifferent | 320 | 128 x2 |
| ROPsDifferent | 128 | 32 x2 |
| Memory SizeDifferent | 16 GB | 3 GB x2 |
| Memory TypeDifferent | GDDR6 | GDDR5 |
| Bus WidthDifferent | 256 bit | 384 bit x2 |
Graphics Processor
| Feature | AMD Radeon RX 6950 XT | AMD Radeon HD 7990 |
|---|---|---|
| GPU NameDifferent | Navi 21 | Malta |
| GPU VariantDifferent | Navi 21 KXTX(215-121000289) | Malta XT(215-0849026) |
| ArchitectureDifferent | RDNA 2.0 | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 7 nm | 28 nm |
| TransistorsDifferent | 26,800 million | 4,313 million |
| DensityDifferent | 51.5M / mm² | 11.8M / mm² |
| Die SizeDifferent | 520 mm² | 365 mm² |
| Chip PackageDifferent | BGA-2425 | N/A |
Graphics Card
| Feature | AMD Radeon RX 6950 XT | AMD Radeon HD 7990 |
|---|---|---|
| Release DateDifferent | May 10th, 2022 | Apr 24th, 2013 |
| GenerationDifferent | Navi II(RX 6000) | Southern Islands(HD 7900) |
| PredecessorDifferent | Navi | Northern Islands |
| SuccessorDifferent | Navi III | Sea Islands |
| ProductionDifferent | Active | End-of-life |
| Launch PriceDifferent | 1,099 USD | 999 USD |
| Current PriceDifferent | Amazon/Newegg | N/A |
| Bus InterfaceDifferent | PCIe 4.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 21 in our database | 37 in our database |
Clock Speeds
| Feature | AMD Radeon RX 6950 XT | AMD Radeon HD 7990 |
|---|---|---|
| Base ClockDifferent | 1860 MHz | 950 MHz |
| Game ClockDifferent | 2100 MHz | N/A |
| Boost ClockDifferent | 2310 MHz | 1000 MHz |
| Memory ClockDifferent | 2250 MHz18 Gbps effective | 1500 MHz6 Gbps effective |
Memory
| Feature | AMD Radeon RX 6950 XT | AMD Radeon HD 7990 |
|---|---|---|
| Memory SizeDifferent | 16 GB | 3 GB |
| Memory TypeDifferent | GDDR6 | GDDR5 |
| Memory BusDifferent | 256 bit | 384 bit |
| BandwidthDifferent | 576.0 GB/s | 288.0 GB/s |
Render Config
| Feature | AMD Radeon RX 6950 XT | AMD Radeon HD 7990 |
|---|---|---|
| Shading UnitsDifferent | 5120 | 2048 |
| TMUsDifferent | 320 | 128 |
| ROPsDifferent | 128 | 32 |
| Compute UnitsDifferent | 80 | 32 |
| RT CoresDifferent | 80 | N/A |
| L0 CacheDifferent | 32 KB per WGP | N/A |
| L1 CacheDifferent | 128 KB per Array | 16 KB (per CU) |
| L2 CacheDifferent | 4 MB | 768 KB |
| L3 CacheDifferent | 128 MB | N/A |
Theoretical Performance
| Feature | AMD Radeon RX 6950 XT | AMD Radeon HD 7990 |
|---|---|---|
| Pixel RateDifferent | 295.7 GPixel/s | 32.00 GPixel/s |
| Texture RateDifferent | 739.2 GTexel/s | 128.0 GTexel/s |
| FP16 (half)Different | 47.31 TFLOPS (2:1) | N/A |
| FP32 (float)Different | 23.65 TFLOPS | 4.096 TFLOPS |
| FP64 (double)Different | 1,478.4 GFLOPS (1:16) | 1,024.0 GFLOPS (1:4) |
Board Design
| Feature | AMD Radeon RX 6950 XT | AMD Radeon HD 7990 |
|---|---|---|
| Slot WidthDifferent | Triple-slot | Dual-slot |
| LengthDifferent | 267 mm10.5 inches | 304 mm12 inches |
| HeightDifferent | 120 mm4.7 inches | 106 mm4.2 inches |
| WidthDifferent | 50 mm2 inches | 38 mm1.5 inches |
| TDPDifferent | 335 W | 375 W |
| Suggested PSUDifferent | 700 W | 750 W |
| OutputsDifferent | 1x HDMI 2.12x DisplayPort 1.4a | 1x DVI4x mini-DisplayPort 1.2 |
| Power Connectors | 2x 8-pin | 2x 8-pin |
| Board NumberDifferent | D412 | 109-C47637-00A_02 |
Graphics Features
| Feature | AMD Radeon RX 6950 XT | AMD Radeon HD 7990 |
|---|---|---|
| DirectXDifferent | 12 Ultimate (12_2) | 12 (11_1) |
| OpenGL | 4.6 | 4.6 |
| OpenCLDifferent | 2.1 | 2.1 (1.2) |
| VulkanDifferent | 1.3 | 1.2.175 |
| Shader ModelDifferent | 6.8 | 6.5 (5.1) |
Comparison Summary
7
Specifications Compared
8
Feature Categories
54
Detailed Features
More Comparisons with AMD Radeon RX 6950 XT
Compare AMD Radeon RX 6950 XT with other GPUs of similar performance
AMD Radeon RX 6950 XT vs GeForce RTX 4070 Ti
GeForce RTX 4070 Ti Performance111%
GeForce RTX 4070 Ti is 11% faster than AMD Radeon RX 6950 XT
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AMD Radeon RX 6950 XT vs GeForce RTX 5070
GeForce RTX 5070 Performance110%
GeForce RTX 5070 is 10% faster than AMD Radeon RX 6950 XT
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AMD Radeon RX 6950 XT vs GeForce RTX 3090
GeForce RTX 3090 Performance108%
GeForce RTX 3090 is 8% faster than AMD Radeon RX 6950 XT
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AMD Radeon RX 6950 XT vs GeForce RTX 3080 Ti
GeForce RTX 3080 Ti Performance107%
GeForce RTX 3080 Ti is 7% faster than AMD Radeon RX 6950 XT
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AMD Radeon RX 6950 XT vs GeForce RTX 4070 SUPER
GeForce RTX 4070 SUPER Performance103%
GeForce RTX 4070 SUPER is 3% faster than AMD Radeon RX 6950 XT
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AMD Radeon RX 6950 XT vs Radeon RX 7900 GRE
Radeon RX 7900 GRE Performance102%
Radeon RX 7900 GRE is 2% faster than AMD Radeon RX 6950 XT
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More Comparisons with AMD Radeon HD 7990
Compare AMD Radeon HD 7990 with other GPUs of similar performance
AMD Radeon HD 7990 vs Radeon RX 590
Radeon RX 590 Performance115%
Radeon RX 590 is 15% faster than AMD Radeon HD 7990
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AMD Radeon HD 7990 vs Radeon R9 FURY
Radeon R9 FURY Performance112%
Radeon R9 FURY is 12% faster than AMD Radeon HD 7990
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AMD Radeon HD 7990 vs GeForce GTX 980
GeForce GTX 980 Performance111%
GeForce GTX 980 is 11% faster than AMD Radeon HD 7990
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AMD Radeon HD 7990 vs GeForce GTX 1650 SUPER
GeForce GTX 1650 SUPER Performance110%
GeForce GTX 1650 SUPER is 10% faster than AMD Radeon HD 7990
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AMD Radeon HD 7990 vs Radeon RX 6500 XT
Radeon RX 6500 XT Performance109%
Radeon RX 6500 XT is 9% faster than AMD Radeon HD 7990
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AMD Radeon HD 7990 vs Radeon RX 5500 XT
Radeon RX 5500 XT Performance108%
Radeon RX 5500 XT is 8% faster than AMD Radeon HD 7990
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