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Radeon HD 4870 and GeForce 830A - video card comparison


Passmark - benchmark score Radeon HD 4870 vs GeForce 830A

Radeon HD 4870
1411
GeForce 830A
1172

Radeon HD 4870

GeForce 830A


Architecture
TeraScale (2005−2013)
Maxwell (2014−2018)

GPU code name
RV770
GM108

Market segment
Desktop
Desktop

Release date
June 2008
July 2014

Interface
PCIe 2.0 x16
PCIe 3.0 x8

Supplementary power connectors
2x 6-pin
-

Boost clock speed
-
1150 MHz

Core clock speed
750 MHz
1082 MHz

Floating-point performance
1,200.0 gflops
588.8 gflops

Manufacturing process technology
55 nm
28 nm

Number of transistors
956 million
-

Pipelines / CUDA cores
800
256

Power consumption (TDP)
150 Watt
33 Watt

Texture fill rate
30.00
18.40

Memory type
GDDR5
DDR3

Maximum RAM amount
1 GB
2 GB

Memory bus width
256 Bit
64 Bit

Memory clock speed
3600 MHz
1800 MHz

Memory bandwidth
115.2 GB/s
14.4 GB/s

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

DirectX
10.1 (10_1)
12 (11_0)

CUDA
-
5.0

OpenCL
1.1
1.2

OpenGL
3.3
4.6

Shader Model
4.1
5.1

Vulkan
N/A
1.1.126