Home ATI Radeon HD 4890

ATI Radeon HD 4890

This is a GPU manufactured with TSMC 55nm process, based on ATI TeraScale architecture and released on Apr 2009. It features 0.959 billion transistors, 800 Rendering cores and 1024MB GDDR5 memory, with 256KB L2 cache, theoretical performance of 1360GFLOPS, with total power consumption of 190W.

Graphics Card

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Release Date
Apr 2009
Generation
Radeon R700
Type
Desktop
Bus Interface
PCIe 2.0 x16

Clock Speeds

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Memory Clock
975MHz

Memory

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Memory Size
1024MB
Memory Type
GDDR5
Memory Bus
256bit
Bandwidth
124.8 GB/s

Render Config

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Compute Units
10
Shading Units
800
TMUs
40
ROPs
16
L1 Cache
16 KB (per CU)
L2 Cache
256KB

Theoretical Performance

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Pixel Rate
13.60 GPixel/s
Texture Rate
34.00 GTexel/s
FP32 (float)
1360 GFLOPS
FP64 (double)
272.0 GFLOPS

Graphics Processor

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GPU Name
RV790
GPU Variant
RV790 XT


(215-0758016)
Architecture
TeraScale
Foundry
TSMC
Process Size
55 nm
Transistors
959 million
Die Size
282mm²

Board Design

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TDP
190W
Suggested PSU
450W
Outputs
2x DVI
1x S-Video
Power Connectors
2x 6-pin

Graphics Features

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DirectX
10.1 (10_1)
OpenGL
3.3
OpenCL
1.1
Vulkan
N/A
Shader Model
4.1

Rankings

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FP32 (float)
1.371 TFLOPS
1.371 TFLOPS
1.371 TFLOPS
AMD Radeon HD 6770 1024 MB GDDR5
1.36 TFLOPS
1.36 TFLOPS
ATI Radeon HD 5770 X2 1024 MB GDDR5
1.36 TFLOPS
ATI Radeon HD 4890 1024 MB GDDR5
1.36 TFLOPS

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