Radeon HD 7970 and Radeon 8500 - video card comparison
Passmark - benchmark score Radeon HD 7970 vs Radeon 8500
Radeon HD 7970
5405
Radeon 8500
6
Radeon HD 7970
Radeon 8500
Architecture
GCN (2011−2017)
Rage 7 (2001−2006)
GPU code name
Tahiti XT
R200
Market segment
Desktop
Desktop
Release date
December 2011
August 2001
Bus support
PCIe 2.1 x16
-
Interface
PCIe 3.0 x16
AGP 4x
Supplementary power connectors
1x 6-pin + 1x 8-pin
None
Boost clock speed
925 MHz
-
Core clock speed
-
275 MHz
Floating-point performance
3,789 gflops
-
Manufacturing process technology
28 nm
150 nm
Number of transistors
4,313 million
60 million
Pipelines / CUDA cores
2048
-
Power consumption (TDP)
300 Watt
23 Watt
Texture fill rate
118.4
2.200
Memory type
GDDR5
DDR
Maximum RAM amount
6 GB
64 MB
Memory bus width
384 Bit
128 Bit
Memory clock speed
1375 MHz
550 MHz
Memory bandwidth
264 GB/s
8.8 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
1x DVI, 1x VGA, 1x S-Video
Eyefinity
+
-
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 11
8.1
Mantle
-
-
OpenCL
1.2
N/A
OpenGL
4.6
1.4
Shader Model
5.1
-
Vulkan
-
N/A
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-