
Radeon HD 4850 and Radeon HD 7640G - video card comparison
Passmark - benchmark score Radeon HD 4850 vs Radeon HD 7640G
Radeon HD 4850
1057
Radeon HD 7640G
473
Radeon HD 4850
Radeon HD 7640G
Architecture
Terascale 1 (2008−2010)
Terascale 3 (2010−2013)
GPU code name
RV770
Trinity
Market segment
Desktop
Laptop
Release date
June 2008
May 2012
Interface
PCIe 2.0 x16
IGP
Supplementary power connectors
1x 6-pin
-
Boost clock speed
-
686 MHz
Core clock speed
625 MHz
497 MHz
Floating-point performance
1,000.0 gflops
-
Manufacturing process technology
55 nm
32 nm
Number of transistors
956 million
1,303 million
Pipelines / CUDA cores
800
256
Power consumption (TDP)
110 Watt
35 Watt
Texture fill rate
25.00
10.96
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
-
Shared memory
-
+
Display Connectors
2x DVI, 1x S-Video
No outputs
DirectX
10.1 (10_1)
11.2 (11_0)
OpenCL
1.1
1.2
OpenGL
3.3
4.4
Shader Model
4.1
5.0
Vulkan
N/A
N/A