GeForce 8800 Ultra and Radeon R7 250 - video card comparison
Passmark - benchmark score GeForce 8800 Ultra vs Radeon R7 250
GeForce 8800 Ultra
661
Radeon R7 250
1100
GeForce 8800 Ultra
Radeon R7 250
Architecture
Tesla (2006−2010)
GCN (2011−2017)
GPU code name
G80
Oland XT
Market segment
Desktop
Desktop
Release date
May 2007
October 2013
Bus support
-
PCIe 3.0
Interface
PCIe 1.0 x16
PCIe 3.0 x8
Supplementary power connectors
2x 6-pin
N/A
SLI options
+
-
Boost clock speed
-
1050 MHz
Core clock speed
612 MHz
-
CUDA cores
612
-
Floating-point performance
387.1 gflops
716.8 gflops
Manufacturing process technology
90 nm
28 nm
Number of transistors
681 million
950 million
Pipelines / CUDA cores
128
384
Power consumption (TDP)
171 Watt
75 Watt
Texture fill rate
39.2 billion/sec
25.20
Memory type
GDDR3
DDR3, GDDR5
Maximum RAM amount
512 MB
2 GB
Memory bus width
384 Bit
128 Bit
Memory clock speed
1080 MHz
1150 MHz
Memory bandwidth
103.7 GB/s
72 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x S-Video
1x DVI, 1x HDMI, 1x VGA
HDMI
-
+
DisplayPort support
-
-
DirectX
11.1 (10_0)
DirectX® 12
CUDA
+
-
Mantle
-
-
OpenCL
1.1
1.2
OpenGL
3.3
4.6
Shader Model
4.0
5.1
Vulkan
N/A
-
AppAcceleration
-
+
CrossFire
-
1
DDMA audio
-
+
Enduro
-
-
FreeSync
-
1
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-