
Radeon R9 280X and GeForce 8600 GT - video card comparison
Passmark - benchmark score Radeon R9 280X vs GeForce 8600 GT
Radeon R9 280X
6012
GeForce 8600 GT
127
Radeon R9 280X
GeForce 8600 GT
Architecture
GCN (2011−2017)
Tesla (2006−2010)
GPU code name
Thaiti XTL
G84
Market segment
Desktop
Desktop
Release date
October 2013
April 2007
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 1.0 x16
Supplementary power connectors
1 x 6-pin + 1 x 8-pin
None
SLI options
-
+
Boost clock speed
1000 MHz
-
Core clock speed
-
540 MHz
Floating-point performance
4,096 gflops
76.16 gflops
Manufacturing process technology
28 nm
80 nm
Number of transistors
4,313 million
289 million
Pipelines / CUDA cores
2048
32
Power consumption (TDP)
250 Watt
47 Watt
Texture fill rate
128.0
8.6 billion/sec
Memory type
GDDR5
GDDR3
Maximum RAM amount
3 GB
512 MB
Memory bus width
384 Bit
128 Bit
Memory clock speed
-
700 MHz
Memory bandwidth
288 GB/s
22.4 GB/s
Shared memory
-
-
Standard memory config per GPU
-
256 MB
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
2x DVI, 1x S-Video
Eyefinity
+
-
HDMI
+
-
DisplayPort support
+
-
DirectX
DirectX® 12
11.1 (10_0)
CUDA
-
1.1
Mantle
-
-
OpenCL
1.2
1.1
OpenGL
4.6
2.1
Shader Model
5.1
4.0
Vulkan
+
N/A
AppAcceleration
+
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
-
-
TressFX
1
-
TrueAudio
+
-
UVD
+
-
ZeroCore
-
-