Radeon HD 6870 and GeForce GT 545 - video card comparison
Passmark - benchmark score Radeon HD 6870 vs GeForce GT 545
Radeon HD 6870
2285
GeForce GT 545
1132
Radeon HD 6870
GeForce GT 545
Architecture
Terascale 2 (2009−2015)
Fermi 2.0 (2010−2014)
GPU code name
RV940 Barts
GF116
Market segment
Desktop
Desktop
Release date
October 2010
May 2011
Bus support
PCIe 2.0 x16
-
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
None
Boost clock speed
900 MHz
-
Core clock speed
-
720 MHz
Floating-point performance
2,016.0 gflops
414.7 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
1,700 million
1,170 million
Pipelines / CUDA cores
1120
144
Power consumption (TDP)
151 Watt
70 Watt
Texture fill rate
50.40
17.28
Memory type
GDDR5
DDR3
Maximum RAM amount
1 GB
1536 MB
Memory bus width
256 Bit
192 Bit
Memory clock speed
1050 MHz
1600 MHz
Memory bandwidth
134.4 GB/s
38.4 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
1x DVI, 1x HDMI, 1x VGA
Eyefinity
1
-
HDMI
+
+
DisplayPort support
-
-
DirectX
DirectX® 11
12 (11_0)
CUDA
-
2.1
Mantle
-
-
OpenCL
1.2
1.1
OpenGL
4.4
4.6
Shader Model
5.0
5.1
Vulkan
-
N/A
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-