GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon RX 6650 XT
224%
224%
AMD Radeon HD 7990
45%
45%
AMD Radeon RX 6650 XT is approximately 179% faster
Technical Specifications
| Specification | AMD Radeon RX 6650 XT | AMD Radeon HD 7990 |
|---|---|---|
| Graphics ProcessorDifferent | Navi 23 | Malta x2 |
| CoresDifferent | 2048 | 2048 x2 |
| TMUsDifferent | 128 | 128 x2 |
| ROPsDifferent | 64 | 32 x2 |
| Memory SizeDifferent | 8 GB | 3 GB x2 |
| Memory TypeDifferent | GDDR6 | GDDR5 |
| Bus WidthDifferent | 128 bit | 384 bit x2 |
Graphics Processor
| Feature | AMD Radeon RX 6650 XT | AMD Radeon HD 7990 |
|---|---|---|
| GPU NameDifferent | Navi 23 | Malta |
| GPU VariantDifferent | Navi 23 KXT(215-130000136) | Malta XT(215-0849026) |
| ArchitectureDifferent | RDNA 2.0 | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 7 nm | 28 nm |
| TransistorsDifferent | 11,060 million | 4,313 million |
| DensityDifferent | 46.7M / mm² | 11.8M / mm² |
| Die SizeDifferent | 237 mm² | 365 mm² |
| Chip PackageDifferent | BGA-1269 | N/A |
Graphics Card
| Feature | AMD Radeon RX 6650 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 | 399 USD | 999 USD |
| Bus InterfaceDifferent | PCIe 4.0 x8 | PCIe 3.0 x16 |
| ReviewsDifferent | 14 in our database | 37 in our database |
Clock Speeds
| Feature | AMD Radeon RX 6650 XT | AMD Radeon HD 7990 |
|---|---|---|
| Base ClockDifferent | 2055 MHz | 950 MHz |
| Game ClockDifferent | 2410 MHz | N/A |
| Boost ClockDifferent | 2635 MHz | 1000 MHz |
| Memory ClockDifferent | 2190 MHz17.5 Gbps effective | 1500 MHz6 Gbps effective |
Memory
| Feature | AMD Radeon RX 6650 XT | AMD Radeon HD 7990 |
|---|---|---|
| Memory SizeDifferent | 8 GB | 3 GB |
| Memory TypeDifferent | GDDR6 | GDDR5 |
| Memory BusDifferent | 128 bit | 384 bit |
| BandwidthDifferent | 280.3 GB/s | 288.0 GB/s |
Render Config
| Feature | AMD Radeon RX 6650 XT | AMD Radeon HD 7990 |
|---|---|---|
| Shading Units | 2048 | 2048 |
| TMUs | 128 | 128 |
| ROPsDifferent | 64 | 32 |
| Compute Units | 32 | 32 |
| RT CoresDifferent | 32 | N/A |
| L0 CacheDifferent | 32 KB per WGP | N/A |
| L1 CacheDifferent | 128 KB per Array | 16 KB (per CU) |
| L2 CacheDifferent | 2 MB | 768 KB |
| L3 CacheDifferent | 32 MB | N/A |
Theoretical Performance
| Feature | AMD Radeon RX 6650 XT | AMD Radeon HD 7990 |
|---|---|---|
| Pixel RateDifferent | 168.6 GPixel/s | 32.00 GPixel/s |
| Texture RateDifferent | 337.3 GTexel/s | 128.0 GTexel/s |
| FP16 (half)Different | 21.59 TFLOPS (2:1) | N/A |
| FP32 (float)Different | 10.79 TFLOPS | 4.096 TFLOPS |
| FP64 (double)Different | 674.6 GFLOPS (1:16) | 1,024.0 GFLOPS (1:4) |
Board Design
| Feature | AMD Radeon RX 6650 XT | AMD Radeon HD 7990 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| TDPDifferent | 176 W | 375 W |
| Suggested PSUDifferent | 450 W | 750 W |
| OutputsDifferent | 1x HDMI 2.13x DisplayPort 1.4a | 1x DVI4x mini-DisplayPort 1.2 |
| Power ConnectorsDifferent | 1x 8-pin | 2x 8-pin |
| Board NumberDifferent | D532 | 109-C47637-00A_02 |
| LengthDifferent | N/A | 304 mm12 inches |
| HeightDifferent | N/A | 106 mm4.2 inches |
| WidthDifferent | N/A | 38 mm1.5 inches |
Graphics Features
| Feature | AMD Radeon RX 6650 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
53
Detailed Features
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Compare AMD Radeon RX 6650 XT with other GPUs of similar performance
AMD Radeon RX 6650 XT vs GeForce RTX 3060 Ti
GeForce RTX 3060 Ti Performance117%
GeForce RTX 3060 Ti is 17% faster than AMD Radeon RX 6650 XT
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AMD Radeon RX 6650 XT vs Radeon RX 6700 XT
Radeon RX 6700 XT Performance115%
Radeon RX 6700 XT is 15% faster than AMD Radeon RX 6650 XT
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AMD Radeon RX 6650 XT vs GeForce RTX 2080 SUPER
GeForce RTX 2080 SUPER Performance107%
GeForce RTX 2080 SUPER is 7% faster than AMD Radeon RX 6650 XT
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AMD Radeon RX 6650 XT vs Radeon RX 7600 XT
Radeon RX 7600 XT Performance106%
Radeon RX 7600 XT is 6% faster than AMD Radeon RX 6650 XT
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AMD Radeon RX 6650 XT vs GeForce RTX 4060
GeForce RTX 4060 Performance106%
GeForce RTX 4060 is 6% faster than AMD Radeon RX 6650 XT
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AMD Radeon RX 6650 XT vs Arc B580
Arc B580 Performance106%
Arc B580 is 6% faster than AMD Radeon RX 6650 XT
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More Comparisons with AMD Radeon HD 7990
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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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