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ATI Radeon HD 4670

RV730
Graphics Processor
320
Cores
32
TMUs
8
ROPs
512 MB
Memory Size
GDDR3
Memory Type
128 bit
Bus Width
ATI Radeon HD 4670 Image ATI RV730 Image
The Radeon HD 4670 was an entry-level graphics card by ATI, launched in September 2008. Built on the 55 nm process, and based on the RV730 graphics processor, in its RV730 XT variant, the card supports DirectX 10.1. The RV730 graphics processor is an average sized chip with a die area of 146 mm² and 514 million transistors. It features 320 shading units, 32 texture mapping units and 8 ROPs. ATI has placed 512 MB GDDR3 memory on the card, which are connected using a 128-bit memory interface. The GPU is operating at a frequency of 750 MHz, memory is running at 800 MHz.
We recommend the ATI Radeon HD 4670 for gaming with highest details at resolutions up to, and including, 1024x768.
Being a single-slot card, the ATI Radeon HD 4670 does not require any additional power connector, its power draw is rated at 59 W maximum. Display outputs include: 2x DVI, 1x S-Video. Radeon HD 4670 is connected to the rest of the system using a PCIe 2.0 x16 interface. The card measures 193 mm in length, and features a single-slot cooling solution. Its price at launch was 67 US Dollars.

Graphics Processor

GPU Name
RV730
GPU Variant
RV730 XT
(215-0719047)
Architecture
TeraScale
Process Size
55 nm
Transistors
514 million
Die Size
146 mm²

Graphics Card

Released
Sep 10th, 2008
Production Status
End-of-life
Launch Price
67 USD
Bus Interface
PCIe 2.0 x16

Relative Performance

22%
29%
35%
45%
53%
56%
70%
91%
92%
100%
Radeon HD 4670
105%
108%
124%
131%
141%
146%
152%
156%
167%
176%
180%
185%
192%
219%
221%
225%
227%
228%
230%
232%
246%
258%
263%
272%
274%
277%
280%
281%
281%
287%
300%
306%
329%
335%
335%
349%
349%
362%
386%
399%
401%
408%
410%
424%
429%
432%
440%
460%
469%
477%
477%
479%
480%
518%
523%
536%
542%
545%
549%
550%
560%
561%
577%
621%
637%
653%
657%
664%
671%
686%
704%
720%
738%
748%
749%
829%
913%
925%
987%
992%
1006%
1019%
1028%
1033%
1037%
1047%
1052%
1066%
1146%
1161%
1161%
1175%
1285%
1314%
1376%
1420%
1560%
1615%
1762%
1762%
1835%
2147%
2202%
Based on TPU review data: "Performance Summary" at 1920x1080

Clock Speeds

GPU Clock
750 MHz
Memory Clock
800 MHz
1600 MHz effective

Memory

Memory Size
512 MB
Memory Type
GDDR3
Memory Bus
128 bit
Bandwidth
25.60 GB/s

Render Config

Shading Units
320
TMUs
32
ROPs
8
Compute Units
4

Theoretical Performance

Pixel Rate
6.000 GPixel/s
Texture Rate
24.00 GTexel/s
FP32 (float) performance
480.0 GFLOPS

Board Design

Slot Width
Single-slot
Length
7.6 inches
193 mm
TDP
59 W
Outputs
2x DVI
1x S-Video
Power Connectors
None
Board Number
B666

Graphics Features

DirectX
10.1
OpenGL
3.3
OpenCL
1.1
Vulkan
N/A
Shader Model
4.1

Reviews

Our review database contains 49 reviews of the Radeon HD 4670.

RV730 GPU Notes

Graphics/Compute: GFX3
Display Core Engine: 3.2
Unified Video Decoder: 2.2

Retail boards based on this design (5)

Name GPU Clock Memory Clock Other Changes
HIS HD 4670 IceQ 1 GB 750 MHz 800 MHz 1024 MB, 8 inches/203 mm, Dual-slot
HIS HD 4670 IceQ Native HDMI 1 GB 750 MHz 800 MHz 1024 MB, 8 inches/203 mm, Dual-slot, 1x DVI 1x HDMI 1x VGA
HIS HD 4670 iSilence4 Native HDMI 1 GB 750 MHz 500 MHz 1024 MB, 1x DVI 1x HDMI 1x VGA
Sapphire HD 4670 New Edition 1 GB 750 MHz 800 MHz 1024 MB, 1x DVI 1x HDMI 1x VGA
Sapphire HD 4670 Ultimate 750 MHz 873 MHz 1x DVI 1x HDMI 1x VGA