GeForce GTX 275 and Radeon HD 6850 - video card comparison
Passmark - benchmark score GeForce GTX 275 vs Radeon HD 6850
GeForce GTX 275
1458
Radeon HD 6850
2030
GeForce GTX 275
Radeon HD 6850
Architecture
Tesla 2.0 (2007−2013)
TeraScale 2 (2009−2015)
GPU code name
GT200B
Barts
Market segment
Desktop
Desktop
Release date
January 2009
October 2010
Bus support
PCI-E 2.0
AGP
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
1x 6-pin
SLI options
+
-
Core clock speed
633 MHz
-
CUDA cores
240
-
Floating-point performance
673.9 gflops
1,488.0 gflops
Manufacturing process technology
55 nm
40 nm
Number of transistors
1,400 million
1,700 million
Pipelines / CUDA cores
240
960
Power consumption (TDP)
219 Watt
127 Watt
Maximum GPU temperature
105 °C
-
Texture fill rate
50.6 billion/sec
37.20
Memory type
GDDR3
GDDR5
Maximum RAM amount
896 MB
1 GB
Memory bus width
448 Bit
256 Bit
Memory clock speed
1134 MHz
-
Memory bandwidth
127.0 GB/s
128.0 GB/s
Display Connectors
Two Dual Link DVI
2x DVI, 1x HDMI, 2x mini-DisplayPort
Multi monitor support
+
-
Eyefinity
-
1
HDMI
-
+
Maximum VGA resolution
2048x1536
-
DisplayPort support
-
-
Audio input for HDMI
S/PDIF
-
DirectX
11.1 (10_0)
DirectX® 11
CUDA
+
-
Mantle
-
-
OpenCL
1.1
1.2
OpenGL
3.0
4.4
Shader Model
4.0
5.0
Vulkan
N/A
-
AppAcceleration
-
-
CrossFire
-
1
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-