Radeon X1650 vs GeForce GTX 680 Mac Edition
We compared two Desktop platform GPUs: 256MB VRAM Radeon X1650 and 2GB VRAM GeForce GTX 680 Mac Edition 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 5 years and 5 months late
Boost Clock1058MHz
More VRAM (2GB vs 256GB)
Larger VRAM bandwidth (192.3GB/s vs 6.400GB/s)
1536 additional rendering cores
Score
Graphics Card
Nov 2007
Release Date
Apr 2013
Radeon R500 PCIe
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 1.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
1006 MHz
-
Boost Clock
1058 MHz
400 MHz
Memory Clock
1502 MHz
Memory
256MB
Memory Size
2GB
DDR2
Memory Type
GDDR5
64bit
Memory Bus
256bit
6.400GB/s
Bandwidth
192.3GB/s
Render Config
-
Shading Units
1536
4
TMUs
128
4
ROPs
32
-
L1 Cache
16 KB (per SMX)
-
L2 Cache
512 KB
Theoretical Performance
2.540 GPixel/s
Pixel Rate
33.86 GPixel/s
2.540 GTexel/s
Texture Rate
135.4 GTexel/s
-
FP32 (float)
3.250 TFLOPS
-
FP64 (double)
135.4 GFLOPS
Board Design
Unknown
TDP
195W
200 W
Suggested PSU
450 W
1x DVI
1x VGA
1x S-Video
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
None
Power Connectors
2x 6-pin
Graphics Processor
RV516
GPU Name
GK104
-
GPU Variant
GK104-400-A2
Ultra-Threaded SE
Architecture
Kepler
UMC
Foundry
TSMC
90 nm
Process Size
28 nm
0.105 billion
Transistors
3.54 billion
100 mm²
Die Size
294 mm²
Graphics Features
9.0c (9_3)
DirectX
12 (11_0)
2.1
OpenGL
4.6
N/A
OpenCL
3.0
N/A
Vulkan
1.1
-
CUDA
3.0
3.0
Shader Model
5.1