ATI Radeon HD 4860 Graphics Card

Product status: Official | Last Update: 2016-03-14 | Report Error
Overview
Manufacturer
AMD
Original Series
Radeon HD 4000
Release Date
September 9th, 2009
Model
AMD B790 SKU 001
Graphics Processing Unit
GPU Model
RV790 GT (RV790)
Architecture
ATI VLIW5 TeraScale
Fabrication Process
55 nm
Die Size
282 mm2
Transistors Count
959M
Transistors Density
3.4M TRAN/mm2
Stream Cores
640
Thread Processors
32
SIMD Engines
8
TMUs
32
ROPs
16
Clocks
Base Clock
700 MHz
Boost Clock
TBC MHz
Memory Clock
750 MHz
Effective Memory Clock
3000 Mbps
Memory Configuration
Memory Size
512 MB
Memory Type
GDDR5
Memory Bus Width
256-bit
Memory Bandwidth
96.0 GB/s

Physical
Interface
PCI-Express 2.0 x16
Length
24.1 cm
Height
2-slot
Power Connectors
2× 6-pin
TDP/TBP
130 W
Recommended PSU
450 W
Display Outputs
DVI-I DualLink
2 ×
S-Video
1 ×
API Support
DirectX
10.1
Vulkan
-
OpenGL
3.3
OpenCL
1.2

Performance
Pixel Fillrate
11.2 GPixels/s
Texture Fillrate
22.4 GTexel/s
Peak FP32
896 GFLOPS
FP32 Perf. per Watt
6.9 GFLOPS/W
FP32 Perf. per mm2
3.2 GFLOPS/mm2




 ModelCoresBoost ClockMemory ClockMemory Config.
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ATI Radeon HD 4870 X2
 
1600
-
 
3.6 Gbps
 
4 GB GD5 256b
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ATI Radeon HD 4850 X2
 
1600
-
 
2 Gbps
 
4 GB GD3 256b
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ATI Radeon HD 4890
 
800
-
 
3.9 Gbps
 
1 GB GD5 256b
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ATI Radeon HD 4870
 
800
-
 
1.8 Gbps
 
512 MB GD3 256b
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ATI Radeon HD 4850
 
800
-
 
2 Gbps
 
512 MB GD3 256b
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ATI Radeon HD 4730
 
640
 
900 MHz
-
 
512 MB GD5 128b
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ATI Radeon HD 4770
 
640
-
 
3.2 Gbps
 
512 MB GD5 128b
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ATI Radeon HD 4750
 
640
-
 
3.2 Gbps
 
512 MB GD5 128b
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ATI Radeon HD 4860
 
640
-
 
3 Gbps
 
512 MB GD5 256b
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ATI Radeon HD 4830
 
640
-
 
1.8 Gbps
 
512 MB GD3 256b
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ATI Radeon HD 4670
 
320
-
 
1.6 Gbps
 
512 MB GD3 128b
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ATI Radeon HD 4650
 
320
-
 
1.4 Gbps
 
256 MB GD3 128b
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ATI Radeon HD 4570
 
80
-
 
1 Gbps
 
1 GB D2 64b
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ATI Radeon HD 4450
 
80
-
 
1.3 Gbps
 
512 MB D2 64b
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ATI Radeon HD 4350
 
80
-
 
800 Mbps
 
512 MB D1 64b
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ATI Radeon HD 4550
 
80
-
 
1.3 Gbps
 
256 MB D2 64b
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ATI Radeon HD 4550 LP
 
80
-
 
1.3 Gbps
 
256 MB D2 64b
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ATI Radeon HD 4250
 
40
-
 
792 Mbps
 
512 MB D2 64b
 ModelCoresBoost ClockMemory ClockMemory Config.
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ATI Radeon HD 4890
 
800
-
 
3.9 GB/s
 
1 GB GD5 256b
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ATI Radeon HD 4860
 
640
-
 
3 GB/s
 
512 MB GD5 256b