GeForce GTX 295 and Mobility Radeon HD 4870 X2 - video card comparison
GeForce GTX 295
Mobility Radeon HD 4870 X2
Architecture
Tesla 2.0 (2007−2013)
Terascale 1 (2008−2010)
GPU code name
GT200B
M98-XT
Market segment
Desktop
Laptop
Release date
January 2009
January 2009
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
6-pin & 8-pin
-
SLI options
+
-
Core clock speed
576 MHz
550 MHz
CUDA cores
480
-
CUDA cores per GPU
240
-
Floating-point performance
2x 596.2 gflops
2x 880.0 gflops
Manufacturing process technology
55 nm
55 nm
Number of transistors
1,400 million
956 million
Pipelines / CUDA cores
240
1600
Power consumption (TDP)
289 Watt
-
Maximum GPU temperature
105 °C
-
Texture fill rate
92.2 billion/sec
22.00
Memory type
GDDR3
GDDR3, GDDR5
Maximum RAM amount
1792 MB
2 GB
Memory bus width
896 Bit
256 Bit
Memory clock speed
999 MHz
888 MHz
Memory bandwidth
223.8 GB/s
89.6 GB/s
Shared memory
-
-
Standard memory config per GPU
896 MB
-
Display Connectors
Two Dual Link DVIHDMI
No outputs
Multi monitor support
+
-
HDMI
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
S/PDIF
-
DirectX
11.1 (10_0)
10.1 (10_1)
CUDA
+
-
OpenCL
1.1
1.1
OpenGL
2.1
3.3
Shader Model
4.0
4.1
Vulkan
N/A
N/A
High Dynamic-Range Lighting (HDRR)
128bit
-