
Radeon HD 6870 and GeForce GTX 460 SE v2 - video card comparison
Radeon HD 6870
GeForce GTX 460 SE v2
Architecture
Terascale 2 (2009−2015)
Fermi 2.0 (2010−2014)
GPU code name
RV940 Barts
GF114
Market segment
Desktop
Desktop
Release date
October 2010
November 2010
Bus support
PCIe 2.0 x16
-
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
2x 6-pin
Boost clock speed
900 MHz
-
Core clock speed
-
650 MHz
Floating-point performance
2,016.0 gflops
-
Manufacturing process technology
40 nm
40 nm
Number of transistors
1,700 million
1,950 million
Pipelines / CUDA cores
1120
288
Power consumption (TDP)
151 Watt
150 Watt
Texture fill rate
50.40
31.20
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
768 MB
Memory bus width
256 Bit
192 Bit
Memory clock speed
1050 MHz
3400 MHz
Memory bandwidth
134.4 GB/s
81.6 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
2x DVI, 1x mini-HDMI
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
-
-