GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon RX 6500 XT
109%
109%
AMD Radeon HD 7990
92%
92%
AMD Radeon RX 6500 XT is approximately 17% faster
Technical Specifications
| Specification | AMD Radeon RX 6500 XT | AMD Radeon HD 7990 |
|---|---|---|
| Graphics ProcessorDifferent | Navi 24 | Malta x2 |
| CoresDifferent | 1024 | 2048 x2 |
| TMUsDifferent | 64 | 128 x2 |
| ROPsDifferent | 32 | 32 x2 |
| Memory SizeDifferent | 4 GB | 3 GB x2 |
| Memory TypeDifferent | GDDR6 | GDDR5 |
| Bus WidthDifferent | 64 bit | 384 bit x2 |
Graphics Processor
| Feature | AMD Radeon RX 6500 XT | AMD Radeon HD 7990 |
|---|---|---|
| GPU NameDifferent | Navi 24 | Malta |
| GPU VariantDifferent | Navi 24 XT(215-135000006) | Malta XT(215-0849026) |
| ArchitectureDifferent | RDNA 2.0 | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 6 nm | 28 nm |
| TransistorsDifferent | 5,400 million | 4,313 million |
| DensityDifferent | 50.5M / mm² | 11.8M / mm² |
| Die SizeDifferent | 107 mm² | 365 mm² |
Graphics Card
| Feature | AMD Radeon RX 6500 XT | AMD Radeon HD 7990 |
|---|---|---|
| Release DateDifferent | Jan 19th, 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 | 199 USD | 999 USD |
| Bus InterfaceDifferent | PCIe 4.0 x4 | PCIe 3.0 x16 |
| ReviewsDifferent | 18 in our database | 37 in our database |
Clock Speeds
| Feature | AMD Radeon RX 6500 XT | AMD Radeon HD 7990 |
|---|---|---|
| Base ClockDifferent | 2310 MHz | 950 MHz |
| Game ClockDifferent | 2610 MHz | N/A |
| Boost ClockDifferent | 2815 MHz | 1000 MHz |
| Memory ClockDifferent | 2248 MHz18 Gbps effective | 1500 MHz6 Gbps effective |
Memory
| Feature | AMD Radeon RX 6500 XT | AMD Radeon HD 7990 |
|---|---|---|
| Memory SizeDifferent | 4 GB | 3 GB |
| Memory TypeDifferent | GDDR6 | GDDR5 |
| Memory BusDifferent | 64 bit | 384 bit |
| BandwidthDifferent | 143.9 GB/s | 288.0 GB/s |
Render Config
| Feature | AMD Radeon RX 6500 XT | AMD Radeon HD 7990 |
|---|---|---|
| Shading UnitsDifferent | 1024 | 2048 |
| TMUsDifferent | 64 | 128 |
| ROPs | 32 | 32 |
| Compute UnitsDifferent | 16 | 32 |
| RT CoresDifferent | 16 | N/A |
| L0 CacheDifferent | 32 KB per WGP | N/A |
| L1 CacheDifferent | 128 KB per Array | 16 KB (per CU) |
| L2 CacheDifferent | 1024 KB | 768 KB |
| L3 CacheDifferent | 16 MB | N/A |
Theoretical Performance
| Feature | AMD Radeon RX 6500 XT | AMD Radeon HD 7990 |
|---|---|---|
| Pixel RateDifferent | 90.08 GPixel/s | 32.00 GPixel/s |
| Texture RateDifferent | 180.2 GTexel/s | 128.0 GTexel/s |
| FP16 (half)Different | 11.53 TFLOPS (2:1) | N/A |
| FP32 (float)Different | 5.765 TFLOPS | 4.096 TFLOPS |
| FP64 (double)Different | 360.3 GFLOPS (1:16) | 1,024.0 GFLOPS (1:4) |
Board Design
| Feature | AMD Radeon RX 6500 XT | AMD Radeon HD 7990 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| TDPDifferent | 107 W | 375 W |
| Suggested PSUDifferent | 300 W | 750 W |
| OutputsDifferent | 1x HDMI 2.11x DisplayPort 1.4a | 1x DVI4x mini-DisplayPort 1.2 |
| Power ConnectorsDifferent | 1x 6-pin | 2x 8-pin |
| Board NumberDifferent | D632 | 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 6500 XT | AMD Radeon HD 7990 |
|---|---|---|
| DirectXDifferent | 12 Ultimate (12_2) | 12 (11_1) |
| OpenGL | 4.6 | 4.6 |
| OpenCLDifferent | 2.2 | 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
52
Detailed Features
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
Compare Detailed Specs
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
Compare Detailed Specs
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
Compare Detailed Specs
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
Compare Detailed Specs
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
Compare Detailed Specs
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
Compare Detailed Specs
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
Compare Detailed Specs
AMD Radeon HD 7990 vs Radeon R9 FURY
Radeon R9 FURY Performance112%
Radeon R9 FURY is 12% faster than AMD Radeon HD 7990
Compare Detailed Specs
AMD Radeon HD 7990 vs GeForce GTX 980
GeForce GTX 980 Performance111%
GeForce GTX 980 is 11% faster than AMD Radeon HD 7990
Compare Detailed Specs
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
Compare Detailed Specs
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
Compare Detailed Specs
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
Compare Detailed Specs