Radeon R9 290X and Radeon HD 7850 - video card comparison
Passmark - benchmark score Radeon R9 290X vs Radeon HD 7850
Radeon R9 290X
7648
Radeon HD 7850
3976
Radeon R9 290X
Radeon HD 7850
Architecture
GCN (2011−2017)
GCN 1.0 (2012−2020)
GPU code name
Hawaii XT
Pitcairn
Market segment
Desktop
Desktop
Release date
October 2013
March 2012
Bus support
PCIe 3.0
PCIe 2.1 x16
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1 x 6-pin + 1 x 8-pin
1x 6-pin
Boost clock speed
947 MHz
1000 MHz
Floating-point performance
5,632 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)
250 Watt
130 Watt
Texture fill rate
176.0
55.04
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
2 GB
Memory bus width
512 Bit
256 Bit
Memory clock speed
1250 MHz
1200 MHz
Memory bandwidth
320 GB/s
153.6 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI, 2x mini-DisplayPort
Eyefinity
+
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
-
-