Radeon HD 6870 and GeForce GT 620 - video card comparison
Passmark - benchmark score Radeon HD 6870 vs GeForce GT 620
Radeon HD 6870
2285
GeForce GT 620
388
Radeon HD 6870
GeForce GT 620
Architecture
Terascale 2 (2009−2015)
Fermi (2010−2014)
GPU code name
RV940 Barts
GF108
Market segment
Desktop
Desktop
Release date
October 2010
May 2012
Bus support
PCIe 2.0 x16
PCI Express 2.0
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
None
Boost clock speed
900 MHz
-
Core clock speed
-
700 MHz
CUDA cores
-
96
Floating-point performance
2,016.0 gflops
268.8 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
1,700 million
585 million
Pipelines / CUDA cores
1120
96
Power consumption (TDP)
151 Watt
49 Watt
Maximum GPU temperature
-
98 °C
Texture fill rate
50.40
11.2 billion/sec
Memory type
GDDR5
DDR3
Maximum RAM amount
1 GB
1 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
1050 MHz
1.8 GB/s
Memory bandwidth
134.4 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
Dual Link DVI-I, HDMI, VGA
Multi monitor support
-
+
Eyefinity
1
-
HDMI
+
+
HDCP
-
+
Maximum VGA resolution
-
2048x1536
DisplayPort support
-
-
Audio input for HDMI
-
Internal
DirectX
DirectX® 11
12 (11_0)
CUDA
-
+
Mantle
-
-
OpenCL
1.2
1.1
OpenGL
4.4
4.2
Shader Model
5.0
5.1
Vulkan
-
N/A
3D Blu-Ray
-
+
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-