ATI Radeon HD 4890 Graphics Card

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Learn more about ATI Radeon HD 4890:

Specifications

Generation
Radeon R700
GPU model
RV790
Interface
PCIe 2.0 x16
GPU clock
850 MHz
Memory size
1024 MB
DirectX
10.1 (10_1)
Release date
Apr 2nd, 2009

Graphics Processor

GPU model
RV790
GPU variant
RV790 XT (215-0758016)
Architecture
TeraScale
Foundry
TSMC
Manufacturing process
55 nm
Number of transistors
959 million
Die size
282 mm²

Graphics Card

Release date
Apr 2nd, 2009
Generation
Radeon R700
Production
End-of-life
Launch price
249 USD
Interface
PCIe 2.0 x16
Reviews
114 in our database
Predecessor
Radeon R600
Successor
Evergreen

Clocks

GPU clock
850 MHz
Memory clock
975 MHz 3.9 Gbps effective

Memory Configuration

Memory size
1024 MB
Memory type
GDDR5
Memory bus width
256 bit
Bandwidth
124.8 GB/s

Render Configuration

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

Performance

Pixel rate
13.60 GPixel/s
Texture rate
34.00 GTexel/s
FP32 (float) performance
1,360 GFLOPS
FP64 (double) performance
272.0 GFLOPS (1:5)

Dimensions & Outputs

Slot width
Dual-slot
Length
241 mm 9.5 inches
Width
111 mm 4.4 inches
Height
40 mm 1.6 inches
TDP
190 W
Suggested PSU
450 W
Outputs
2x DVI1x S-Video
Power connectors
2x 6-pin
Board number
B790-31

API Support & Features

DirectX
10.1 (10_1)
OpenGL
3.3
OpenCL
1.1
Shader model
4.1

Drivers

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Benchmark & Performance

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Gaming

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