GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
ATI Radeon HD 4890
25%
25%
AMD Radeon HD 7990
400%
400%
AMD Radeon HD 7990 is approximately 375% faster
Technical Specifications
| Specification | ATI Radeon HD 4890 | AMD Radeon HD 7990 |
|---|---|---|
| Graphics ProcessorDifferent | RV790 | Malta x2 |
| CoresDifferent | 800 | 2048 x2 |
| TMUsDifferent | 40 | 128 x2 |
| ROPsDifferent | 16 | 32 x2 |
| Memory SizeDifferent | 1024 MB | 3 GB x2 |
| Memory Type | GDDR5 | GDDR5 |
| Bus WidthDifferent | 256 bit | 384 bit x2 |
Graphics Processor
| Feature | ATI Radeon HD 4890 | AMD Radeon HD 7990 |
|---|---|---|
| GPU NameDifferent | RV790 | Malta |
| GPU VariantDifferent | RV790 XT(215-0758016) | Malta XT(215-0849026) |
| ArchitectureDifferent | TeraScale | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 55 nm | 28 nm |
| TransistorsDifferent | 959 million | 4,313 million |
| DensityDifferent | 3.4M / mm² | 11.8M / mm² |
| Die SizeDifferent | 282 mm² | 365 mm² |
Graphics Card
| Feature | ATI Radeon HD 4890 | AMD Radeon HD 7990 |
|---|---|---|
| Release DateDifferent | Apr 2nd, 2009 | Apr 24th, 2013 |
| GenerationDifferent | Radeon R700(HD 4800) | Southern Islands(HD 7900) |
| PredecessorDifferent | Radeon R600 | Northern Islands |
| SuccessorDifferent | Evergreen | Sea Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 249 USD | 999 USD |
| Bus InterfaceDifferent | PCIe 2.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 114 in our database | 37 in our database |
Clock Speeds
| Feature | ATI Radeon HD 4890 | AMD Radeon HD 7990 |
|---|---|---|
| GPU ClockDifferent | 850 MHz | N/A |
| Memory ClockDifferent | 975 MHz3.9 Gbps effective | 1500 MHz6 Gbps effective |
| Base ClockDifferent | N/A | 950 MHz |
| Boost ClockDifferent | N/A | 1000 MHz |
Memory
| Feature | ATI Radeon HD 4890 | AMD Radeon HD 7990 |
|---|---|---|
| Memory SizeDifferent | 1024 MB | 3 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory BusDifferent | 256 bit | 384 bit |
| BandwidthDifferent | 124.8 GB/s | 288.0 GB/s |
Render Config
| Feature | ATI Radeon HD 4890 | AMD Radeon HD 7990 |
|---|---|---|
| Shading UnitsDifferent | 800 | 2048 |
| TMUsDifferent | 40 | 128 |
| ROPsDifferent | 16 | 32 |
| Compute UnitsDifferent | 10 | 32 |
| L1 Cache | 16 KB (per CU) | 16 KB (per CU) |
| L2 CacheDifferent | 256 KB | 768 KB |
Theoretical Performance
| Feature | ATI Radeon HD 4890 | AMD Radeon HD 7990 |
|---|---|---|
| Pixel RateDifferent | 13.60 GPixel/s | 32.00 GPixel/s |
| Texture RateDifferent | 34.00 GTexel/s | 128.0 GTexel/s |
| FP32 (float)Different | 1,360.0 GFLOPS | 4.096 TFLOPS |
| FP64 (double)Different | 272.0 GFLOPS (1:5) | 1,024.0 GFLOPS (1:4) |
Board Design
| Feature | ATI Radeon HD 4890 | AMD Radeon HD 7990 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 241 mm9.5 inches | 304 mm12 inches |
| HeightDifferent | 111 mm4.4 inches | 106 mm4.2 inches |
| WidthDifferent | 40 mm1.6 inches | 38 mm1.5 inches |
| TDPDifferent | 190 W | 375 W |
| Suggested PSUDifferent | 450 W | 750 W |
| OutputsDifferent | 2x DVI1x S-Video | 1x DVI4x mini-DisplayPort 1.2 |
| Power ConnectorsDifferent | 2x 6-pin | 2x 8-pin |
| Board NumberDifferent | 109-B79031-00 | 109-C47637-00A_02 |
Graphics Features
| Feature | ATI Radeon HD 4890 | AMD Radeon HD 7990 |
|---|---|---|
| DirectXDifferent | 10.1 (10_1) | 12 (11_1) |
| OpenGLDifferent | 3.3 | 4.6 |
| OpenCLDifferent | 1.1 | 2.1 (1.2) |
| VulkanDifferent | N/A | 1.2.175 |
| Shader ModelDifferent | 4.1 | 6.5 (5.1) |
Comparison Summary
7
Specifications Compared
8
Feature Categories
48
Detailed Features
More Comparisons with ATI Radeon HD 4890
Compare ATI Radeon HD 4890 with other GPUs of similar performance
ATI Radeon HD 4890 vs GeForce GTX 285
GeForce GTX 285 Performance117%
GeForce GTX 285 is 17% faster than ATI Radeon HD 4890
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ATI Radeon HD 4890 vs Radeon HD 6850
Radeon HD 6850 Performance114%
Radeon HD 6850 is 14% faster than ATI Radeon HD 4890
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ATI Radeon HD 4890 vs GeForce GTX 280
GeForce GTX 280 Performance107%
GeForce GTX 280 is 7% faster than ATI Radeon HD 4890
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ATI Radeon HD 4890 vs Radeon HD 7770 GHz Edition
Radeon HD 7770 GHz Edition Performance107%
Radeon HD 7770 GHz Edition is 7% faster than ATI Radeon HD 4890
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ATI Radeon HD 4890 vs GeForce GTX 275
GeForce GTX 275 Performance106%
GeForce GTX 275 is 6% faster than ATI Radeon HD 4890
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ATI Radeon HD 4890 vs GeForce GTX 460
GeForce GTX 460 Performance104%
GeForce GTX 460 is 4% faster than ATI Radeon HD 4890
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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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