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Sapphire HD 4850 X2 2 GB

100270SR
Graphics Processor
R700 x2
Cores
800 x2
TMUs
40 x2
ROPs
16 x2
Memory Size
1024 MB x2
Memory Type
GDDR3
Bus Width
256 bit x2

Graphics Processor

GPU Name
R700
GPU Variant
R700 PRO
(215-0669065)
Architecture
TeraScale
Foundry
TSMC
Process Size
55 nm
Transistors
956 million
Die Size
256 mm²

Graphics Card

Release Date
Nov 7th, 2008
Generation
Radeon R700
(HD 4800)
Production
End-of-life
Bus Interface
PCIe 2.0 x16

Clock Speeds

GPU Clock
625 MHz
Memory Clock
995 MHz
1990 MHz effective

Memory

Memory Size
512 MB
1024 MB
Memory Type
GDDR3
Memory Bus
256 bit
Bandwidth
63.68 GB/s

Render Config

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

Theoretical Performance

Pixel Rate
10.00 GPixel/s
Texture Rate
25.00 GTexel/s
FP32 (float) performance
1,000 GFLOPS
FP64 (double) performance
200.0 GFLOPS (1:5)

Board Design

Slot Width
Dual-slot
Length
10.51 inches
267 mm
TDP
250 W
Suggested PSU
600 W
Outputs
4x DVI
1x S-Video
Power Connectors
1x 6-pin + 1x 8-pin
Board Number
B501

Graphics Features

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

R700 GPU Notes

Codename: Wekiva
Graphics/Compute: GFX3
Display Core Engine: 3.1
Unified Video Decoder: 2.0

Other retail boards based on this design (1)

Name GPU Clock Memory Clock Other Changes
Sapphire HD 4850 X2 2 GB 625 MHz 995 MHz 1024 MB