GPU Comparison
Side-by-side comparison of specifications and performance
Performance Comparison
ATI Radeon HD 4890
64%
64%
AMD Radeon HD 6950
156%
156%
AMD Radeon HD 6950 is approximately 92% faster
Technical Specifications
| Specification | ATI Radeon HD 4890 | AMD Radeon HD 6950 |
|---|---|---|
| Graphics ProcessorDifferent | RV790 | Cayman |
| CoresDifferent | 800 | 1408 |
| TMUsDifferent | 40 | 88 |
| 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 6950 |
|---|---|---|
| GPU NameDifferent | RV790 | Cayman |
| GPU VariantDifferent | RV790 XT(215-0758016) | Cayman PRO(215-0807019) |
| ArchitectureDifferent | TeraScale | TeraScale 3 |
| Foundry | TSMC | TSMC |
| Process SizeDifferent | 55 nm | 40 nm |
| TransistorsDifferent | 959 million | 2,640 million |
| DensityDifferent | 3.4M / mm² | 6.8M / mm² |
| Die SizeDifferent | 282 mm² | 389 mm² |
Graphics Card
| Feature | ATI Radeon HD 4890 | AMD Radeon HD 6950 |
|---|---|---|
| Release DateDifferent | Apr 2nd, 2009 | Dec 14th, 2010 |
| GenerationDifferent | Radeon R700(HD 4800) | Northern Islands(HD 6900) |
| PredecessorDifferent | Radeon R600 | Evergreen |
| SuccessorDifferent | Evergreen | Southern Islands |
| Production | End-of-life | End-of-life |
| Launch PriceDifferent | 249 USD | 299 USD |
| Bus Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| ReviewsDifferent | 114 in our database | 111 in our database |
Clock Speeds
| Feature | ATI Radeon HD 4890 | AMD Radeon HD 6950 |
|---|---|---|
| GPU ClockDifferent | 850 MHz | 800 MHz |
| Memory ClockDifferent | 975 MHz3.9 Gbps effective | 1250 MHz5 Gbps effective |
Memory
| Feature | ATI Radeon HD 4890 | AMD Radeon HD 6950 |
|---|---|---|
| Memory SizeDifferent | 1024 MB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 256 bit | 256 bit |
| BandwidthDifferent | 124.8 GB/s | 160.0 GB/s |
Render Config
| Feature | ATI Radeon HD 4890 | AMD Radeon HD 6950 |
|---|---|---|
| Shading UnitsDifferent | 800 | 1408 |
| TMUsDifferent | 40 | 88 |
| ROPsDifferent | 16 | 32 |
| Compute UnitsDifferent | 10 | 22 |
| L1 CacheDifferent | 16 KB (per CU) | 8 KB (per CU) |
| L2 CacheDifferent | 256 KB | 512 KB |
Theoretical Performance
| Feature | ATI Radeon HD 4890 | AMD Radeon HD 6950 |
|---|---|---|
| Pixel RateDifferent | 13.60 GPixel/s | 25.60 GPixel/s |
| Texture RateDifferent | 34.00 GTexel/s | 70.40 GTexel/s |
| FP32 (float)Different | 1,360.0 GFLOPS | 2.253 TFLOPS |
| FP64 (double)Different | 272.0 GFLOPS (1:5) | 563.2 GFLOPS (1:4) |
Board Design
| Feature | ATI Radeon HD 4890 | AMD Radeon HD 6950 |
|---|---|---|
| Slot Width | Dual-slot | Dual-slot |
| LengthDifferent | 241 mm9.5 inches | 286 mm11.3 inches |
| HeightDifferent | 111 mm4.4 inches | 126 mm5 inches |
| WidthDifferent | 40 mm1.6 inches | 42 mm1.7 inches |
| TDPDifferent | 190 W | 200 W |
| Suggested PSUDifferent | 450 W | 550 W |
| OutputsDifferent | 2x DVI1x S-Video | 2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 |
| Power Connectors | 2x 6-pin | 2x 6-pin |
| Board NumberDifferent | 109-B79031-00 | 109-C21647-00 |
Graphics Features
| Feature | ATI Radeon HD 4890 | AMD Radeon HD 6950 |
|---|---|---|
| DirectXDifferent | 10.1 (10_1) | 11.2 (11_0) |
| OpenGLDifferent | 3.3 | 4.4 |
| OpenCLDifferent | 1.1 | 1.2 |
| Vulkan | N/A | N/A |
| Shader ModelDifferent | 4.1 | 5.0 |
Comparison Summary
7
Specifications Compared
8
Feature Categories
46
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
Compare Detailed Specs
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 6950
Compare AMD Radeon HD 6950 with other GPUs of similar performance
AMD Radeon HD 6950 vs Radeon RX 560
Radeon RX 560 Performance119%
Radeon RX 560 is 19% faster than AMD Radeon HD 6950
Compare Detailed Specs
AMD Radeon HD 6950 vs GeForce GTX 570
GeForce GTX 570 Performance117%
GeForce GTX 570 is 17% faster than AMD Radeon HD 6950
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AMD Radeon HD 6950 vs GeForce GTX 660
GeForce GTX 660 Performance117%
GeForce GTX 660 is 17% faster than AMD Radeon HD 6950
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AMD Radeon HD 6950 vs Radeon R7 370
Radeon R7 370 Performance116%
Radeon R7 370 is 16% faster than AMD Radeon HD 6950
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AMD Radeon HD 6950 vs Radeon HD 6970
Radeon HD 6970 Performance112%
Radeon HD 6970 is 12% faster than AMD Radeon HD 6950
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AMD Radeon HD 6950 vs GeForce GTX 480
GeForce GTX 480 Performance107%
GeForce GTX 480 is 7% faster than AMD Radeon HD 6950
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