GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon HD 7990
92%
92%
AMD Radeon RX 6500 XT
109%
109%
AMD Radeon RX 6500 XT is approximately 17% faster
Technical Specifications
| Specification | AMD Radeon HD 7990 | AMD Radeon RX 6500 XT |
|---|---|---|
| Graphics ProcessorDifferent | Malta x2 | Navi 24 |
| CoresDifferent | 2048 x2 | 1024 |
| TMUsDifferent | 128 x2 | 64 |
| ROPsDifferent | 32 x2 | 32 |
| Memory SizeDifferent | 3 GB x2 | 4 GB |
| Memory TypeDifferent | GDDR5 | GDDR6 |
| Bus WidthDifferent | 384 bit x2 | 64 bit |
Graphics Processor
| Feature | AMD Radeon HD 7990 | AMD Radeon RX 6500 XT |
|---|---|---|
| GPU NameDifferent | Malta | Navi 24 |
| GPU VariantDifferent | Malta XT(215-0849026) | Navi 24 XT(215-135000006) |
| ArchitectureDifferent | GCN 1.0 | RDNA 2.0 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 28 nm | 6 nm |
| TransistorsDifferent | 4,313 million | 5,400 million |
| DensityDifferent | 11.8M / mm² | 50.5M / mm² |
| Die SizeDifferent | 365 mm² | 107 mm² |
Graphics Card
| Feature | AMD Radeon HD 7990 | AMD Radeon RX 6500 XT |
|---|---|---|
| Release DateDifferent | Apr 24th, 2013 | Jan 19th, 2022 |
| GenerationDifferent | Southern Islands(HD 7900) | Navi II(RX 6000) |
| PredecessorDifferent | Northern Islands | Navi |
| SuccessorDifferent | Sea Islands | Navi III |
| ProductionDifferent | End-of-life | Active |
| Launch PriceDifferent | 999 USD | 199 USD |
| Bus InterfaceDifferent | PCIe 3.0 x16 | PCIe 4.0 x4 |
| ReviewsDifferent | 37 in our database | 18 in our database |
Clock Speeds
| Feature | AMD Radeon HD 7990 | AMD Radeon RX 6500 XT |
|---|---|---|
| Base ClockDifferent | 950 MHz | 2310 MHz |
| Boost ClockDifferent | 1000 MHz | 2815 MHz |
| Memory ClockDifferent | 1500 MHz6 Gbps effective | 2248 MHz18 Gbps effective |
| Game ClockDifferent | N/A | 2610 MHz |
Memory
| Feature | AMD Radeon HD 7990 | AMD Radeon RX 6500 XT |
|---|---|---|
| Memory SizeDifferent | 3 GB | 4 GB |
| Memory TypeDifferent | GDDR5 | GDDR6 |
| Memory BusDifferent | 384 bit | 64 bit |
| BandwidthDifferent | 288.0 GB/s | 143.9 GB/s |
Render Config
| Feature | AMD Radeon HD 7990 | AMD Radeon RX 6500 XT |
|---|---|---|
| Shading UnitsDifferent | 2048 | 1024 |
| TMUsDifferent | 128 | 64 |
| ROPs | 32 | 32 |
| Compute UnitsDifferent | 32 | 16 |
| L1 CacheDifferent | 16 KB (per CU) | 128 KB per Array |
| L2 CacheDifferent | 768 KB | 1024 KB |
| RT CoresDifferent | N/A | 16 |
| L0 CacheDifferent | N/A | 32 KB per WGP |
| L3 CacheDifferent | N/A | 16 MB |
Theoretical Performance
| Feature | AMD Radeon HD 7990 | AMD Radeon RX 6500 XT |
|---|---|---|
| Pixel RateDifferent | 32.00 GPixel/s | 90.08 GPixel/s |
| Texture RateDifferent | 128.0 GTexel/s | 180.2 GTexel/s |
| FP32 (float)Different | 4.096 TFLOPS | 5.765 TFLOPS |
| FP64 (double)Different | 1,024.0 GFLOPS (1:4) | 360.3 GFLOPS (1:16) |
| FP16 (half)Different | N/A | 11.53 TFLOPS (2:1) |
Board Design
| Feature | AMD Radeon HD 7990 | AMD Radeon RX 6500 XT |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 304 mm12 inches | N/A |
| HeightDifferent | 106 mm4.2 inches | N/A |
| WidthDifferent | 38 mm1.5 inches | N/A |
| TDPDifferent | 375 W | 107 W |
| Suggested PSUDifferent | 750 W | 300 W |
| OutputsDifferent | 1x DVI4x mini-DisplayPort 1.2 | 1x HDMI 2.11x DisplayPort 1.4a |
| Power ConnectorsDifferent | 2x 8-pin | 1x 6-pin |
| Board NumberDifferent | 109-C47637-00A_02 | D632 |
Graphics Features
| Feature | AMD Radeon HD 7990 | AMD Radeon RX 6500 XT |
|---|---|---|
| DirectXDifferent | 12 (11_1) | 12 Ultimate (12_2) |
| OpenGL | 4.6 | 4.6 |
| OpenCLDifferent | 2.1 (1.2) | 2.2 |
| VulkanDifferent | 1.2.175 | 1.3 |
| Shader ModelDifferent | 6.5 (5.1) | 6.8 |
Comparison Summary
7
Specifications Compared
8
Feature Categories
52
Detailed Features
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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More Comparisons with AMD Radeon RX 6500 XT
Compare AMD Radeon RX 6500 XT with other GPUs of similar performance
AMD Radeon RX 6500 XT vs GeForce GTX 980 Ti
GeForce GTX 980 Ti Performance116%
GeForce GTX 980 Ti is 16% faster than AMD Radeon RX 6500 XT
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AMD Radeon RX 6500 XT vs GeForce RTX 3050 8 GB
GeForce RTX 3050 8 GB Performance115%
GeForce RTX 3050 8 GB is 15% faster than AMD Radeon RX 6500 XT
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AMD Radeon RX 6500 XT vs Radeon R9 FURY X
Radeon R9 FURY X Performance114%
Radeon R9 FURY X is 14% faster than AMD Radeon RX 6500 XT
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AMD Radeon RX 6500 XT vs GeForce GTX 1660
GeForce GTX 1660 Performance113%
GeForce GTX 1660 is 13% faster than AMD Radeon RX 6500 XT
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AMD Radeon RX 6500 XT vs Radeon RX 590
Radeon RX 590 Performance106%
Radeon RX 590 is 6% faster than AMD Radeon RX 6500 XT
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AMD Radeon RX 6500 XT vs Radeon R9 FURY
Radeon R9 FURY Performance104%
Radeon R9 FURY is 4% faster than AMD Radeon RX 6500 XT
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