Radeon R9 290X and GeForce GT 420M - video card comparison
Passmark - benchmark score Radeon R9 290X vs GeForce GT 420M
Radeon R9 290X
7648
GeForce GT 420M
417
Radeon R9 290X
GeForce GT 420M
Architecture
GCN (2011−2017)
Fermi (2010−2014)
GPU code name
Hawaii XT
N11P-GE
Market segment
Desktop
Laptop
Release date
October 2013
September 2010
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1 x 6-pin + 1 x 8-pin
-
Boost clock speed
947 MHz
-
Core clock speed
-
500 MHz
CUDA cores
-
96
Floating-point performance
5,632 gflops
192 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
6,200 million
585 million
Pipelines / CUDA cores
2816
96
Power consumption (TDP)
250 Watt
23 Watt
Texture fill rate
176.0
6.0 billion/sec
Memory type
GDDR5
(G)DDR3
Maximum RAM amount
4 GB
1 GB
Memory bus width
512 Bit
128 Bit
Memory clock speed
1250 MHz
800 MHz
Memory bandwidth
320 GB/s
25.6 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
Eyefinity
+
-
HDMI
+
-
DisplayPort support
+
-
DirectX
DirectX® 12
12 API
CUDA
-
+
Mantle
-
-
OpenCL
2.0
1.1
OpenGL
4.6
4.5
Shader Model
6.3
5.1
Vulkan
+
N/A
AppAcceleration
+
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
-
-
TressFX
1
-
TrueAudio
+
-
UVD
+
-
ZeroCore
-
-