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Radeon HD 4870 and HD Graphics 4000 - video card comparison


Passmark - benchmark score Radeon HD 4870 vs HD Graphics 4000

Radeon HD 4870
1411
HD Graphics 4000
468

Radeon HD 4870

HD Graphics 4000


Architecture
TeraScale (2005−2013)
Gen. 7 Ivy Bridge (2011−2012)

GPU code name
RV770
Ivy Bridge

Market segment
Desktop
Laptop

Release date
June 2008
March 2011

Interface
PCIe 2.0 x16
PCIe 1.0 x16

Supplementary power connectors
2x 6-pin
-

Boost clock speed
-
1350 MHz

Core clock speed
750 MHz
350 MHz

Floating-point performance
1,200.0 gflops
33.6 gflops

Manufacturing process technology
55 nm
22 nm

Number of transistors
956 million
1,200 million

Pipelines / CUDA cores
800
16

Power consumption (TDP)
150 Watt
unknown

Texture fill rate
30.00
20.80

Memory type
GDDR5
System Shared

Maximum RAM amount
1 GB
System Shared

Memory bus width
256 Bit
64/128 Bit

Memory clock speed
3600 MHz
System Shared

Memory bandwidth
115.2 GB/s
-

Shared memory
-
+

Display Connectors
2x DVI, 1x S-Video
No outputs

DirectX
10.1 (10_1)
11.1 (11_0)

OpenCL
1.1
1.2

OpenGL
3.3
4.0

Shader Model
4.1
5.0

Vulkan
N/A
1.1.80

Quick Sync
-
+