NVIDIA GeForce GTX 680 Mac Edition vs ATI Radeon HD 2600 XT Mac Edition
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 680 Mac Edition and 256MB VRAM Radeon HD 2600 XT Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 680 Mac Edition 's Advantages
Released 5 years and 2 months late
Boost Clock1058MHz
More VRAM (2GB vs 256GB)
Larger VRAM bandwidth (192.3GB/s vs 25.60GB/s)
1416 additional rendering cores
ATI Radeon HD 2600 XT Mac Edition 's Advantages
Lower TDP (45W vs 195W)
Score
Benchmark
FP32 (float)
GeForce GTX 680 Mac Edition
+1834%
3.25 TFLOPS
Radeon HD 2600 XT Mac Edition
0.168 TFLOPS
Graphics Card
Apr 2013
Release Date
Feb 2008
GeForce 600
Generation
Radeon R600
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
800 MHz
Memory
2GB
Memory Size
256MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
128bit
192.3GB/s
Bandwidth
25.60GB/s
Render Config
-
Compute Units
3
-
-
-
1536
Shading Units
120
128
TMUs
8
32
ROPs
4
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
-
512 KB
L2 Cache
64 KB
-
-
-
Theoretical Performance
33.86 GPixel/s
Pixel Rate
2.800 GPixel/s
135.4 GTexel/s
Texture Rate
5.600 GTexel/s
-
-
-
3.250 TFLOPS
FP32 (float)
168.0 GFLOPS
135.4 GFLOPS
FP64 (double)
-
Board Design
195W
TDP
45W
450 W
Suggested PSU
200 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
2x DVI
2x 6-pin
Power Connectors
None
Graphics Processor
GK104
GPU Name
RV630
GK104-400-A2
GPU Variant
-
Kepler
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
65 nm
3.54 billion
Transistors
0.39 billion
294 mm²
Die Size
153 mm²
Graphics Features
12 (11_0)
DirectX
10.0 (10_0)
4.6
OpenGL
3.3
3.0
OpenCL
N/A
1.1
Vulkan
N/A
3.0
CUDA
-
5.1
Shader Model
4.0
