Saturday, 21 February 2015 23:32

ATI Radeon HD 4890

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Overclocked HD4870 with some tweaking and faster clocked GPU and memory chips. First card with stock clocked 1GHz GPU(only some models).

 

Zaatharen's card:

Sapphire Radeon HD4890 1GB - reference card with modded BIOS, GPU runs on 925MHz and memory chips on 4000MHz.

Sapphire Vapor-X HD4890 1GB - later version with VGA, DVI, DP and HDMI, clocks are 870MHz for GPU and 4200MHz for memory.

ATI PowerPlay (BIOS) - Vapor-X card
State #1 GPU: 870 MHz, Memory: 1050 MHz (Boot)
State #2 GPU: 870 MHz, Memory: 1050 MHz
State #3 GPU: 500 MHz, Memory: 1050 MHz (UVD)
State #4 GPU: 870 MHz, Memory: 1050 MHz
State #5 GPU: 240 MHz, Memory: 1050 MHz

ATi RV790 XT GPU
ATi RV790 XT GPU

ATi RV790 XT GPU
ATi RV790 XT GPU
ATi RV790 XT GPU

ATi RV790 XT GPU
Sapphire Radeon HD4890 1GB
Sapphire Radeon HD4890 1GB

Sapphire Radeon HD4890 1GB
Sapphire Radeon HD4890 1GB
Sapphire Radeon HD4890 1GB

Sapphire Radeon HD4890 1GB
Sapphire Radeon HD4890 1GB
Sapphire Radeon HD4890 1GB

Sapphire Radeon HD4890 1GB
Sapphire Vapor-X HD4890 1GB
Sapphire Vapor-X HD4890 1GB

Sapphire Vapor-X HD4890 1GB
Sapphire Vapor-X HD4890 1GB
Sapphire Vapor-X HD4890 1GB

Sapphire Vapor-X HD4890 1GB
Sapphire Vapor-X HD4890 1GB
Sapphire Vapor-X HD4890 1GB

Sapphire Vapor-X HD4890 1GB
Sapphire Vapor-X HD4890 1GB
Sapphire Vapor-X HD4890 1GB

Sapphire Vapor-X HD4890 1GB
GPU-Z
GPU-Z

GPU-Z
Vapor-X GPU-Z
Vapor-X GPU-Z

Vapor-X GPU-Z

Additional Info

  • Made by: ATI
  • Codename: RV790
  • Bus: PCI-E 2 x16
  • Memory Size: 1GB
  • Max Memory Size: 2GB
  • Memory Type: GDDR5
  • Year: 2009
  • Announce Date: Wednesday, 01 April 2009
  • Card Type: VGA
  • Family: Radeon HD4x
  • Manufacturer: TSMC
  • Process tech: 55nm
  • Transistors (Millions): 959
  • Made in: Taiwan
  • Owned by: Zaatharen
  • Outputs: 15 pin D‐sub, DVI, DVI-D, HDMI, DisplayPort
  • Power consumption (W): 190
  • Price $: 249
  • Video Acceleration: MPEG-4 AVC (H.264)
  • DirectX: DX10.1
  • OpenGL: 3.3
  • Core Clock (MHz): 850
  • Core: 256bit
  • Memory Clock (MHz): 3900
  • Memory Bus Width: 256bit
  • Memory Bandwidth (MB/s): 125000
  • Texture Units: 40
  • ROPs: 16
  • Unified Shaders: 800
  • Shader Model: 4.1 (DX10.1)
  • Pixel Fillrate (MPixel/s): 13600
  • Texel Fillrate (MTexel/s): 34000
  • Shaders power (GFlops): 1360
  • Sold by: Sapphire
  • Max Core Clock (MHz): 1000
  • Min Core Clock (MHz): 850
  • Max Memory Clock (MHz): 4400
  • Min Memory Clock (MHz): 3900
  • Ramdac (MHz): 400
Read 16460 times Last modified on Sunday, 01 March 2015 10:31

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