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HIS HD 4870 IceQ4+ Turbo 1 GB GDDR5
Packaging & Contents »Introduction

AMD's HD 4870 has been on the market for a while now and is soon to be succeeded by the HD 4890. Nevertheless the card is still a great performance choice, especially since many manufacturers are also offering 1 GB versions of the card. The reference design featured 512 MB of GDDR5 at launch.
HIS has couple a custom colored AMD reference PCB with their own IceQ cooling solution and an extra overclock of 770 MHz core and 1000 MHz memory.
| GeForce 9800 GT | Radeon HD 4850 | GeForce 9800 GTX | GeForce GTS 250 1 GB | GeForce GTX 260 | Radeon HD 4870 | HIS HD 4870 IceQ4+ Turbo | GeForce GTX 280 | Radeon HD 4870 X2 | GeForce GTX 285 | |
| Shader units | 112 | 800 | 128 | 128 | 192 | 800 | 800 | 240 | 2x 800 | 240 |
| ROPs | 16 | 16 | 16 | 16 | 28 | 16 | 16 | 32 | 2x 16 | 32 |
| GPU | G92 | RV770 | G92 | G92 | GT200 | RV770 | RV770 | GT200 | 2x RV770 | GT200b |
| Transistors | 754M | 956M | 754M | 754M | 1400M | 956M | 956M | 1400M | 2x 956M | 1400M |
| Memory Size | 512 MB | 512 MB | 512 MB | 1024 MB | 896 MB | 512 MB | 1024 MB | 1024 MB | 2x 1024 MB | 1024 MB |
| Memory Bus Width | 256 bit | 256 bit | 256 bit | 256 bit | 448 bit | 256 bit | 256 bit | 512 bit | 2x 256 bit | 512 bit |
| Core Clock | 600 MHz | 625 MHz | 675 MHz | 738 MHz | 576 MHz | 750 MHz | 770 MHz | 602 MHz | 750 MHz | 648 MHz |
| Memory Clock | 900 MHz | 993 MHz | 1100 MHz | 1100 MHz | 999 MHz | 900 MHz | 1000 MHz | 1107 MHz | 900 MHz | 1242 MHz |
| Price | $110 | $140 | $160 | $149 | $240 | $190 | $260 | $315 | $425 | $350 |
