GeForce GTX 680 Mac Edition vs Radeon X1550 PCI
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 680 Mac Edition and 256MB VRAM Radeon X1550 PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 680 Mac Edition 's Advantages
Released 6 years and 3 months late
Boost Clock1058MHz
More VRAM (2GB vs 256GB)
Larger VRAM bandwidth (192.3GB/s vs 4.256GB/s)
1536 additional rendering cores
Radeon X1550 PCI 's Advantages
Lower TDP (27W vs 195W)
Score
Graphics Card
Apr 2013
Release Date
Jan 2007
GeForce 600
Generation
Radeon R500 PCIe
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 1.0 x16
Clock Speeds
1006 MHz
Base Clock
-
1058 MHz
Boost Clock
-
1502 MHz
Memory Clock
266 MHz
Memory
2GB
Memory Size
256MB
GDDR5
Memory Type
DDR2
256bit
Memory Bus
64bit
192.3GB/s
Bandwidth
4.256GB/s
Render Config
1536
Shading Units
-
128
TMUs
4
32
ROPs
4
16 KB (per SMX)
L1 Cache
-
512 KB
L2 Cache
-
Theoretical Performance
33.86 GPixel/s
Pixel Rate
1.808 GPixel/s
135.4 GTexel/s
Texture Rate
1.808 GTexel/s
3.250 TFLOPS
FP32 (float)
-
135.4 GFLOPS
FP64 (double)
-
Board Design
195W
TDP
27W
450 W
Suggested PSU
200 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
1x DVI
1x VGA
1x S-Video
2x 6-pin
Power Connectors
None
Graphics Processor
GK104
GPU Name
RV516
GK104-400-A2
GPU Variant
-
Kepler
Architecture
R500
TSMC
Foundry
UMC
28 nm
Process Size
80 nm
3.54 billion
Transistors
0.107 billion
294 mm²
Die Size
100 mm²
Graphics Features
12 (11_0)
DirectX
9.0c (9_3)
4.6
OpenGL
2.1
3.0
OpenCL
N/A
1.1
Vulkan
N/A
3.0
CUDA
-
5.1
Shader Model
3.0
