
Radeon HD 7970 and Radeon HD 4350 - video card comparison
Passmark - benchmark score Radeon HD 7970 vs Radeon HD 4350
Radeon HD 7970
5405
Radeon HD 4350
136
Radeon HD 7970
Radeon HD 4350
Architecture
GCN (2011−2017)
Terascale 1 (2008−2010)
GPU code name
Tahiti XT
RV710
Market segment
Desktop
Desktop
Release date
December 2011
September 2008
Bus support
PCIe 2.1 x16
-
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin + 1x 8-pin
None
Boost clock speed
925 MHz
-
Core clock speed
-
600 MHz
Floating-point performance
3,789 gflops
96 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
4,313 million
242 million
Pipelines / CUDA cores
2048
80
Power consumption (TDP)
300 Watt
20 Watt
Texture fill rate
118.4
4.800
Memory type
GDDR5
DDR2
Maximum RAM amount
6 GB
512 MB
Memory bus width
384 Bit
64 Bit
Memory clock speed
1375 MHz
500 MHz
Memory bandwidth
264 GB/s
6.4 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
2x DisplayPort
Eyefinity
+
-
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 11
10.1 (10_1)
Mantle
-
-
OpenCL
1.2
1.1
OpenGL
4.6
3.3
Shader Model
5.1
4.1
Vulkan
-
N/A
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-