GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
ATI Radeon HD 4890
61%
61%
AMD Radeon HD 7850
165%
165%
AMD Radeon HD 7850 is approximately 104% faster
Technical Specifications
| Specification | ATI Radeon HD 4890 | AMD Radeon HD 7850 |
|---|---|---|
| Graphics ProcessorDifferent | RV790 | Pitcairn |
| CoresDifferent | 800 | 1024 |
| TMUsDifferent | 40 | 64 |
| ROPsDifferent | 16 | 32 |
| Memory SizeDifferent | 1024 MB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 256 bit | 256 bit |
Graphics Processor
| Feature | ATI Radeon HD 4890 | AMD Radeon HD 7850 |
|---|---|---|
| GPU NameDifferent | RV790 | Pitcairn |
| GPU VariantDifferent | RV790 XT(215-0758016) | Pitcairn PRO(215-0828062) |
| ArchitectureDifferent | TeraScale | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 55 nm | 28 nm |
| TransistorsDifferent | 959 million | 2,800 million |
| DensityDifferent | 3.4M / mm² | 13.2M / mm² |
| Die SizeDifferent | 282 mm² | 212 mm² |
| Chip PackageDifferent | N/A | FCBGA-1737 |
Graphics Card
| Feature | ATI Radeon HD 4890 | AMD Radeon HD 7850 |
|---|---|---|
| Release DateDifferent | Apr 2nd, 2009 | Mar 5th, 2012 |
| GenerationDifferent | Radeon R700(HD 4800) | Southern Islands(HD 7800) |
| PredecessorDifferent | Radeon R600 | Northern Islands |
| SuccessorDifferent | Evergreen | Sea Islands |
| Production | End-of-life | End-of-life |
| Launch Price | 249 USD | 249 USD |
| Bus InterfaceDifferent | PCIe 2.0 x16 | PCIe 3.0 x16 |
| ReviewsDifferent | 114 in our database | 71 in our database |
Clock Speeds
| Feature | ATI Radeon HD 4890 | AMD Radeon HD 7850 |
|---|---|---|
| GPU ClockDifferent | 850 MHz | 860 MHz |
| Memory ClockDifferent | 975 MHz3.9 Gbps effective | 1200 MHz4.8 Gbps effective |
Memory
| Feature | ATI Radeon HD 4890 | AMD Radeon HD 7850 |
|---|---|---|
| Memory SizeDifferent | 1024 MB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 256 bit | 256 bit |
| BandwidthDifferent | 124.8 GB/s | 153.6 GB/s |
Render Config
| Feature | ATI Radeon HD 4890 | AMD Radeon HD 7850 |
|---|---|---|
| Shading UnitsDifferent | 800 | 1024 |
| TMUsDifferent | 40 | 64 |
| ROPsDifferent | 16 | 32 |
| Compute UnitsDifferent | 10 | 16 |
| L1 Cache | 16 KB (per CU) | 16 KB (per CU) |
| L2 CacheDifferent | 256 KB | 512 KB |
Theoretical Performance
| Feature | ATI Radeon HD 4890 | AMD Radeon HD 7850 |
|---|---|---|
| Pixel RateDifferent | 13.60 GPixel/s | 27.52 GPixel/s |
| Texture RateDifferent | 34.00 GTexel/s | 55.04 GTexel/s |
| FP32 (float)Different | 1,360.0 GFLOPS | 1.761 TFLOPS |
| FP64 (double)Different | 272.0 GFLOPS (1:5) | 110.1 GFLOPS (1:16) |
Board Design
| Feature | ATI Radeon HD 4890 | AMD Radeon HD 7850 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 241 mm9.5 inches | 210 mm8.3 inches |
| HeightDifferent | 111 mm4.4 inches | N/A |
| WidthDifferent | 40 mm1.6 inches | N/A |
| TDPDifferent | 190 W | 130 W |
| Suggested PSUDifferent | 450 W | 300 W |
| OutputsDifferent | 2x DVI1x S-Video | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 |
| Power ConnectorsDifferent | 2x 6-pin | 1x 6-pin |
| Board NumberDifferent | 109-B79031-00 | 109-C40147-00, 109-C40337-00A |
Graphics Features
| Feature | ATI Radeon HD 4890 | AMD Radeon HD 7850 |
|---|---|---|
| DirectXDifferent | 10.1 (10_1) | 12 (11_1) |
| OpenGLDifferent | 3.3 | 4.6 |
| OpenCLDifferent | 1.1 | 2.1 (1.2) |
| VulkanDifferent | N/A | 1.2.170 |
| Shader ModelDifferent | 4.1 | 6.5 (5.1) |
Comparison Summary
7
Specifications Compared
8
Feature Categories
47
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 7850
Compare AMD Radeon HD 7850 with other GPUs of similar performance
AMD Radeon HD 7850 vs GeForce GTX 950
GeForce GTX 950 Performance120%
GeForce GTX 950 is 20% faster than AMD Radeon HD 7850
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AMD Radeon HD 7850 vs Radeon RX 560
Radeon RX 560 Performance113%
Radeon RX 560 is 13% faster than AMD Radeon HD 7850
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AMD Radeon HD 7850 vs GeForce GTX 570
GeForce GTX 570 Performance111%
GeForce GTX 570 is 11% faster than AMD Radeon HD 7850
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AMD Radeon HD 7850 vs GeForce GTX 660
GeForce GTX 660 Performance111%
GeForce GTX 660 is 11% faster than AMD Radeon HD 7850
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AMD Radeon HD 7850 vs Radeon R7 370
Radeon R7 370 Performance110%
Radeon R7 370 is 10% faster than AMD Radeon HD 7850
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AMD Radeon HD 7850 vs Radeon HD 6970
Radeon HD 6970 Performance106%
Radeon HD 6970 is 6% faster than AMD Radeon HD 7850
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