GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
AMD Radeon HD 7990
480%
480%
AMD Radeon HD 7750
21%
21%
AMD Radeon HD 7990 is approximately 459% faster
Technical Specifications
| Specification | AMD Radeon HD 7990 | AMD Radeon HD 7750 |
|---|---|---|
| Graphics ProcessorDifferent | Malta x2 | Cape Verde |
| CoresDifferent | 2048 x2 | 512 |
| TMUsDifferent | 128 x2 | 32 |
| ROPsDifferent | 32 x2 | 16 |
| Memory SizeDifferent | 3 GB x2 | 1024 MB |
| Memory Type | GDDR5 | GDDR5 |
| Bus WidthDifferent | 384 bit x2 | 128 bit |
Graphics Processor
| Feature | AMD Radeon HD 7990 | AMD Radeon HD 7750 |
|---|---|---|
| GPU NameDifferent | Malta | Cape Verde |
| GPU VariantDifferent | Malta XT(215-0849026) | Cape Verde PRO(215-0825156) |
| Architecture | GCN 1.0 | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 28 nm |
| TransistorsDifferent | 4,313 million | 1,500 million |
| DensityDifferent | 11.8M / mm² | 12.2M / mm² |
| Die SizeDifferent | 365 mm² | 123 mm² |
| Chip PackageDifferent | N/A | FCBGA-962 |
Graphics Card
| Feature | AMD Radeon HD 7990 | AMD Radeon HD 7750 |
|---|---|---|
| Release DateDifferent | Apr 24th, 2013 | Feb 15th, 2012 |
| GenerationDifferent | Southern Islands(HD 7900) | Southern Islands(HD 7700) |
| Predecessor | Northern Islands | Northern Islands |
| Successor | Sea Islands | Sea Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 999 USD | 109 USD |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 37 in our database | 61 in our database |
Clock Speeds
| Feature | AMD Radeon HD 7990 | AMD Radeon HD 7750 |
|---|---|---|
| Base ClockDifferent | 950 MHz | N/A |
| Boost ClockDifferent | 1000 MHz | N/A |
| Memory ClockDifferent | 1500 MHz6 Gbps effective | 1125 MHz4.5 Gbps effective |
| GPU ClockDifferent | N/A | 800 MHz |
Memory
| Feature | AMD Radeon HD 7990 | AMD Radeon HD 7750 |
|---|---|---|
| Memory SizeDifferent | 3 GB | 1024 MB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 384 bit | 128 bit |
| BandwidthDifferent | 288.0 GB/s | 72.00 GB/s |
Render Config
| Feature | AMD Radeon HD 7990 | AMD Radeon HD 7750 |
|---|---|---|
| Shading UnitsDifferent | 2048 | 512 |
| TMUsDifferent | 128 | 32 |
| ROPsDifferent | 32 | 16 |
| Compute UnitsDifferent | 32 | 8 |
| L1 Cache | 16 KB (per CU) | 16 KB (per CU) |
| L2 CacheDifferent | 768 KB | 256 KB |
Theoretical Performance
| Feature | AMD Radeon HD 7990 | AMD Radeon HD 7750 |
|---|---|---|
| Pixel RateDifferent | 32.00 GPixel/s | 12.80 GPixel/s |
| Texture RateDifferent | 128.0 GTexel/s | 25.60 GTexel/s |
| FP32 (float)Different | 4.096 TFLOPS | 819.2 GFLOPS |
| FP64 (double)Different | 1,024.0 GFLOPS (1:4) | 51.20 GFLOPS (1:16) |
Board Design
| Feature | AMD Radeon HD 7990 | AMD Radeon HD 7750 |
|---|---|---|
| Slot WidthDifferent | Dual-slot | Single-slot |
| LengthDifferent | 304 mm12 inches | 168 mm6.6 inches |
| HeightDifferent | 106 mm4.2 inches | N/A |
| WidthDifferent | 38 mm1.5 inches | N/A |
| TDPDifferent | 375 W | 55 W |
| Suggested PSUDifferent | 750 W | 250 W |
| OutputsDifferent | 1x DVI4x mini-DisplayPort 1.2 | 1x DVI1x HDMI 1.4a1x DisplayPort 1.2 |
| Power ConnectorsDifferent | 2x 8-pin | None |
| Board NumberDifferent | 109-C47637-00A_02 | C441, 109-C44537-00B |
Graphics Features
| Feature | AMD Radeon HD 7990 | AMD Radeon HD 7750 |
|---|---|---|
| DirectX | 12 (11_1) | 12 (11_1) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 (1.2) | 2.1 (1.2) |
| VulkanDifferent | 1.2.175 | 1.2.170 |
| Shader Model | 6.5 (5.1) | 6.5 (5.1) |
Comparison Summary
7
Specifications Compared
8
Feature Categories
49
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
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
More Comparisons with AMD Radeon HD 7750
Compare AMD Radeon HD 7750 with other GPUs of similar performance
AMD Radeon HD 7750 vs Radeon HD 4890
Radeon HD 4890 Performance120%
Radeon HD 4890 is 20% faster than AMD Radeon HD 7750
Compare Detailed Specs
AMD Radeon HD 7750 vs Radeon HD 6790
Radeon HD 6790 Performance118%
Radeon HD 6790 is 18% faster than AMD Radeon HD 7750
Compare Detailed Specs
AMD Radeon HD 7750 vs Radeon HD 5830
Radeon HD 5830 Performance112%
Radeon HD 5830 is 12% faster than AMD Radeon HD 7750
Compare Detailed Specs
AMD Radeon HD 7750 vs GeForce GTX 650
GeForce GTX 650 Performance106%
GeForce GTX 650 is 6% faster than AMD Radeon HD 7750
Compare Detailed Specs
AMD Radeon HD 7750 vs GeForce GTX 550 Ti
GeForce GTX 550 Ti Performance105%
GeForce GTX 550 Ti is 5% faster than AMD Radeon HD 7750
Compare Detailed Specs
AMD Radeon HD 7750 vs Radeon HD 4870
Radeon HD 4870 Performance104%
Radeon HD 4870 is 4% faster than AMD Radeon HD 7750
Compare Detailed Specs