GeForce GTX 295 and Radeon HD 6770M Mac Edition - video card comparison
GeForce GTX 295
Radeon HD 6770M Mac Edition
Architecture
Tesla 2.0 (2007−2013)
TeraScale 2 (2009−2015)
GPU code name
GT200B
Whistler
Market segment
Desktop
Desktop
Release date
January 2009
January 2011
Interface
PCIe 2.0 x16
MXM-A (3.0)
Supplementary power connectors
6-pin & 8-pin
-
SLI options
+
-
Core clock speed
576 MHz
725 MHz
CUDA cores
480
-
CUDA cores per GPU
240
-
Floating-point performance
2x 596.2 gflops
696.0 gflops
Manufacturing process technology
55 nm
40 nm
Number of transistors
1,400 million
716 million
Pipelines / CUDA cores
240
480
Power consumption (TDP)
289 Watt
35 Watt
Maximum GPU temperature
105 °C
-
Texture fill rate
92.2 billion/sec
17.40
Memory type
GDDR3
GDDR5
Maximum RAM amount
1792 MB
512 MB
Memory bus width
896 Bit
128 Bit
Memory clock speed
999 MHz
3600 MHz
Memory bandwidth
223.8 GB/s
57.6 GB/s
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)
11.2 (11_0)
CUDA
+
-
OpenCL
1.1
1.2
OpenGL
2.1
4.4
Shader Model
4.0
5.0
Vulkan
N/A
N/A
High Dynamic-Range Lighting (HDRR)
128bit
-