Radeon R9 295X2 and Radeon HD 7850 - video card comparison
Passmark - benchmark score Radeon R9 295X2 vs Radeon HD 7850
Radeon R9 295X2
8876
Radeon HD 7850
3976
Radeon R9 295X2
Radeon HD 7850
Architecture
GCN 2.0 (2013−2017)
GCN 1.0 (2012−2020)
GPU code name
Vesuvius
Pitcairn
Market segment
Desktop
Desktop
Release date
April 2014
March 2012
Bus support
PCIe 2.1 x16
PCIe 2.1 x16
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
2 x 8-pin
1x 6-pin
Boost clock speed
1018 MHz
1000 MHz
Floating-point performance
2x 5,733 gflops
1,761 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
6,200 million
2,800 million
Pipelines / CUDA cores
2816
1024
Power consumption (TDP)
500 Watt
130 Watt
Texture fill rate
179.2
55.04
Memory type
GDDR5
GDDR5
Maximum RAM amount
8 GB
2 GB
Memory bus width
512 Bit
256 Bit
Memory clock speed
1250 MHz
1200 MHz
Memory bandwidth
640 GB/s
153.6 GB/s
Display Connectors
1x DVI, 4x mini-DisplayPort
1x DVI, 1x HDMI, 2x mini-DisplayPort
Eyefinity
1
1
HDMI
+
+
DisplayPort support
-
-
DirectX
DirectX® 12
12
Mantle
-
-
OpenCL
2.0
1.2
OpenGL
4.6
4.6
Shader Model
6.3
5.1
Vulkan
+
+
AppAcceleration
-
-
CrossFire
1
1
DDMA audio
+
-
Enduro
-
-
FreeSync
1
1
HD3D
+
-
LiquidVR
1
-
PowerTune
-
-
TressFX
1
-
TrueAudio
-
-
UVD
+
-
ZeroCore
-
-