Radeon HD 4000 series
Desktop Products
Table:
Model4

Launch

Code name

Fab (nm)

Transistors (million)

Die size (mm2)

Bus interface

Clock rate

Core config1

Fillrate

Memory2

Processing power
(GFLOPS)

TDP3 (Watts)

Crossfire support

API support (version)

Release Price (USD)

Core (MHz)

Memory (MHz)

Pixel (GP/s)

Texture (GT/s)

Size (MB)

Bandwidth (GB/s)

Bus type

Bus width (bit)

Single precision

Double precision

Idle

Max.

Direct3D

OpenGL

OpenCL

Radeon HD 4350

Sep 30, 2008

RV710

55

242

73

PCIe 2.0 ×16
PCIe 2.0 ×1
AGP 8×

600

400
650

80:8:4

2.40

4.80

256
512
1024

6.40
10.4

DDR2
DDR3

64

92.0

No

20

No

10.1

3.3

1.0

?

Radeon HD 4550

Sep 30, 2008

RV710

55

242

73

PCIe 2.0 ×16

600
600

655
800

80:8:4

2.40

4.80

256
512
1024

10.5
12.8

DDR2
GDDR3

64

96.0

No

25

10.1

3.3

1.0

?

Radeon HD 4570

Nov 25, 2008

RV710

55

242

73

PCIe 2.0 ×16

650

500

80:8:4

2.60

5.20

1024

8.00

DDR2

64

104.0

No

25

10.1

3.3

1.0

?

Radeon HD 4580

Nov 20, 2011

RV635 PRO

55

378

135

PCIe 2.0 ×16

796

693

120:8:4

3.18

6.37

512

22.2

GDDR3

128

191.0

No

65

10.1

3.3

1.0

?

Radeon HD 4650

Sep 10, 2008

RV730 PRO

55

514

146

PCIe 2.0 ×16
AGP 8×

600
650

400 - 500
500
700

320:32:8

4.80
5.20

19.2
20.8

256
512
1024

12.8 - 16.0
16.0
22.4

DDR2
GDDR3
GDDR4

64
128

384.0
416.0

No

48

2-Way Crossfire

10.1

3.3

1.0

?

Radeon HD 4670

Sep 10, 2008

RV730 XT

55

514

146

PCIe 2.0 ×16
AGP 8×

750
750

400 - 500
900
1000

320:32:8

6.00

24.0

512
1024

12.8 - 16.0
28.8
32.0

DDR2
GDDR3
GDDR4

128

480.0

No

59

10.1

3.3

1.0

79

Radeon HD 4730

Jun 8, 2009

RV770 CE

55

956

256

PCIe 2.0 ×16

700
750

900
900

640:32:8

5.60
6.00

22.4
24.0

512

57.6

GDDR5

128

896.0
960.0

179.2
192.0

110

10.1

3.3

1.0

?

Radeon HD 4750

Sep 9, 2009

RV740

40

826

137

PCIe 2.0 ×16

730

800

640:32:16

11.7

23.4

512

51.2

GDDR5

128

934.4

80

10.1

3.3

1.0

?

Radeon HD 4770

Apr 28, 2009

RV740

40

826

137

PCIe 2.0 ×16

750

800

640:32:16

12.0

24.0

512

51.2

GDDR5

128

960.0

192.0

80

10.1

3.3

1.0

109

Radeon HD 4810

May 28, 2009

RV770 CE

55

956

256

PCIe 2.0 ×16

625
750

900
900

640:32:8

5.00
6.00

20.0
24.0

512

57.6

GDDR5

128

800.0
960.0

160.0
192.0

95

10.1

3.3

1.0

?

Radeon HD 4830

Oct 21, 2008

RV770 LE

55

956

256

PCIe 2.0 ×16

575

900

640:32:16

9.20

18.4

512
1024

57.6

GDDR3
GDDR4

256

736.0

147.2

95

10.1

3.3

1.0

130$

Radeon HD 4850

Jun 25, 2008

RV770 PRO

55

956

256

PCIe 2.0 ×16

625

993

800:40:16

10.0

25.0

512
1024
2048

63.55

GDDR3
GDDR4
GDDR5

256

1000

200.0

110

4-Way Crossfire

10.1

3.3

1.0

199

(149)

Radeon HD 4860

Sep 9, 2009

RV790 GT

55

959

282

PCIe 2.0 ×16

700

750

640:32:16

11.2

22.4

512
1024

96

GDDR5

256

896.0

179.2

130

10.1

3.3

1.0

?

Radeon HD 4870

Jun 25, 2008

RV770 XT

55

956

256

PCIe 2.0 ×16

750

900

800:40:16

12.0

30.0

512
1024
2048

115.2

GDDR5

256

1200

240.0

150

10.1

3.3

1.0

299

(225)

Radeon HD 4890

Apr 2, 2009

RV790 XT

55

959

282

PCIe 2.0 ×16

850

975

800:40:16

13.6

34.0

1024
2048

124.8

GDDR5

256

1360

272.0

190

10.1

3.3

1.0

249

Radeon HD 4850 X2

Nov 7, 2008

R700 (2xRV770 PRO)

55

956×2

256×2

PCIe 2.0 ×16

625

995

800:40:16×2

10.0×2

25.0×2

512×2
1024×2

63.7×2

GDDR3

256x2

2000

400.0

250

2-Way Crossfire

10.1

3.3

1.0

339

Radeon HD 4870 X2

Aug 12, 2008

R700 (2xRV770 XT)

55

956×2

256×2

PCIe 2.0 ×16

750

900

800:40:16×2

12×2

30×2

1024×2

115.2×2

GDDR5

256x2

2400

480.0

286

10.1

3.3

1.0

449

Model4

Launch

Code name

Fab (nm)

Transistors (million)

Die size (mm2)

Bus interface

Clock rate

Core config1

Fillrate

Memory2

Processing power
(GFLOPS)

TDP3 (Watts)

Crossfire Support

API support (version)

Release Price (USD)

Core (MHz)

Memory (MHz)

Pixel (GP/s)

Texture (GT/s)

Size (MB)

Bandwidth (GB/s)

Bus type

Bus width (bit)

Single precision

Double precision

Idle

Max.

Direct3D

OpenGL

OpenCL

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