Radeon HD 7950 and Radeon R7 250X - video card comparison
Passmark - benchmark score Radeon HD 7950 vs Radeon R7 250X
Radeon HD 7950
4907
Radeon R7 250X
2336
Radeon HD 7950
Radeon R7 250X
Architecture
GCN 1.0 (2012−2020)
GCN 1.0 (2012−2020)
GPU code name
Tahiti
Cape Verde
Market segment
Desktop
Desktop
Release date
January 2012
February 2014
Bus support
PCIe 3.0 x16
PCIe 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
2x 6-pin
1 x 6-pin
Boost clock speed
1250 MHz
1000 MHz
Compute units
28
-
Floating-point performance
2,867 gflops
1,216 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
4,313 million
1,500 million
Pipelines / CUDA cores
1792
640
Power consumption (TDP)
200 Watt
80 Watt
Texture fill rate
89.60
38.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
3 GB
2 GB
Memory bus width
384 Bit
128 Bit
Memory clock speed
1250 MHz
1625 MHz
Memory bandwidth
240 GB/s
96 GB/s
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
1x DVI, 1x HDMI, 2x mini-DisplayPort
Eyefinity
1
1
Number of Eyefinity displays
6
-
HDMI
+
+
DisplayPort support
-
-
DirectX
DirectX® 11
DirectX® 12
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
AppAcceleration
+
-
CrossFire
1
1
DDMA audio
-
+
Enduro
-
-
FreeSync
1
1
HD3D
-
-
PowerTune
+
-
TrueAudio
-
-
ZeroCore
+
-