Radeon HD 4850 and Radeon R7 Graphics - video card comparison
Radeon HD 4850
Radeon R7 Graphics
Architecture
Terascale 1 (2008−2010)
GCN 2.0 (2013−2017)
GPU code name
RV770
Spectre
Market segment
Desktop
Desktop
Release date
June 2008
January 2014
Interface
PCIe 2.0 x16
IGP
Supplementary power connectors
1x 6-pin
-
Boost clock speed
-
980 MHz
Core clock speed
625 MHz
686 MHz
Floating-point performance
1,000.0 gflops
526.8 gflops
Manufacturing process technology
55 nm
28 nm
Number of transistors
956 million
2,410 million
Pipelines / CUDA cores
800
512
Power consumption (TDP)
110 Watt
15 Watt
Texture fill rate
25.00
31.36
Memory type
GDDR3
System Shared
Maximum RAM amount
512 MB
System Shared
Memory bus width
256 Bit
System Shared
Memory clock speed
993 MHz
System Shared
Memory bandwidth
63.55 GB/s
-
Display Connectors
2x DVI, 1x S-Video
No outputs
DirectX
10.1 (10_1)
12 (12_0)
OpenCL
1.1
2.0
OpenGL
3.3
4.6
Shader Model
4.1
6.0
Vulkan
N/A
1.2.131