ATI Radeon HD 4870: specs and benchmarks

ATI Radeon HD 4870

Summary

ATI started Radeon HD 4870 sales 25 June 2008 at a recommended price of $299. This is TeraScale architecture desktop card based on 55 nm manufacturing process and primarily aimed at gamers. 512 MB of GDDR5 memory clocked at 3.6 GHz are supplied, and together with 256 Bit memory interface this creates a bandwidth of 115.2 GB / s.

Compatibility-wise, this is 2-slot card attached via PCIe 2.0 x16 interface. Its manufacturer default version has a length of 250 mm. Two 6-pin power connectors are required, and power consumption is at 150 Watt.

It provides poor gaming and benchmark performance at 8.00 percent of a leader's which is NVIDIA TITAN V.

General info

Of Radeon HD 4870's architecture, market type and release date.
Place in performance rating
 
Architecture
TeraScale
 
Code name
RV770
 
Type
Desktop
 
Release date
25 June 2008
 
Launch price (MSRP)
$299
 
of 14999 (Quadro Plex 7000)

Technical specs

Radeon HD 4870's general performance parameters such as number of shaders, GPU core clock, manufacturing process, texturing and calculation speed. These parameters indirectly speak of Radeon HD 4870's performance, but for precise assessment you have to consider its benchmark and gaming test results.
Pipelines
800
 
of 8192 (Radeon Pro Duo)
Core clock speed
750 MHz
 
Transistor count
956 million
 
of 21100
Manufacturing process technology
55 nm
 
Power consumption (TDP)
150 Watt
 
of 900 (Tesla S2050)
Texture fill rate
30 GTexel / s
 
of 512 (Radeon Pro Duo)
Floating-point performance
1,200.0 gflops
 
of 16384 (Radeon Pro Duo)

Compatibility, dimensions and requirements

Information on Radeon HD 4870's compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).
Interface
PCIe 2.0 x16
 
Length
250 mm
 
Supplementary power connectors
2x 6-pin
 

Memory specs

Parameters of memory installed on Radeon HD 4870: its type, size, bus, clock and resulting bandwidth. Note that GPUs integrated into processors don't have dedicated memory and use a shared part of system RAM.
Memory type
GDDR5
 
Maximum RAM amount
512 MB
 
of 32
Memory bus width
256 Bit
 
of 8192 (Radeon Pro Duo)
Memory clock speed
3600 MHz
 
of 14000
Memory bandwidth
115.2 GB / s
 
of 1024 (Radeon Pro Duo)

Video outputs and ports

Types and number of video connectors present on Radeon HD 4870.
Display Connectors
2x DVI, 1x S-Video
 

API support

APIs supported by Radeon HD 4870, sometimes including their particular versions.
DirectX
10.1
 
OpenGL
3.3
 
of 4.6

Video card benchmarks performance

Non-gaming benchmarks performance of Radeon HD 4870. Note that overall benchmark performance is measured in points in 0-100 range.
Overall benchmark performance
8.06
 
 
Passmark
1381
 

Relative perfomance

Overall Radeon HD 4870 performance compared to its nearest competitors. All GPU types participate.

NVIDIA equivalent

We believe that the nearest equivalent to Radeon HD 4870 from NVIDIA is GeForce 945A, which is slower by 6% and lower by 15 positions in our rating.

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