Radeon HD 4870 and Radeon R9 M265X - video card comparison
Passmark - benchmark score Radeon HD 4870 vs Radeon R9 M265X
Radeon HD 4870
1411
Radeon R9 M265X
1172
Radeon HD 4870
Radeon R9 M265X
Architecture
TeraScale (2005−2013)
GCN (2011−2017)
GPU code name
RV770
Venus Pro
Market segment
Desktop
Laptop
Release date
June 2008
January 2014
Bus support
-
PCIe 3.0 x16
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
2x 6-pin
-
Boost clock speed
-
625 MHz
Compute units
-
10
Core clock speed
750 MHz
625 MHz
Floating-point performance
1,200.0 gflops
800.0 gflops
Manufacturing process technology
55 nm
28 nm
Number of transistors
956 million
1,500 million
Pipelines / CUDA cores
800
640
Power consumption (TDP)
150 Watt
-
Texture fill rate
30.00
25.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
4 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
3600 MHz
1125 MHz
Memory bandwidth
115.2 GB/s
72 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x S-Video
No outputs
Eyefinity
-
1
DirectX
10.1 (10_1)
DirectX® 11
Mantle
-
+
OpenCL
1.1
Not Listed
OpenGL
3.3
4.4
Shader Model
4.1
5.1
Vulkan
N/A
-
AppAcceleration
-
-
DualGraphics
-
1
Enduro
-
-
FreeSync
-
1
HD3D
-
+
PowerTune
-
+
Switchable graphics
-
1
TrueAudio
-
-
ZeroCore
-
+