GeForce GTX 680 Mac Edition vs GeForce 8800 Ultra
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 680 Mac Edition and 768MB VRAM GeForce 8800 Ultra 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 11 months late
Boost Clock1058MHz
More VRAM (2GB vs 768GB)
Larger VRAM bandwidth (192.3GB/s vs 103.7GB/s)
1408 additional rendering cores
GeForce 8800 Ultra 's Advantages
Lower TDP (171W vs 195W)
Score
Benchmark
FP32 (float)
GeForce GTX 680 Mac Edition
+739%
3250
GeForce 8800 Ultra
387
Graphics Card
Apr 2013
Release Date
May 2007
GeForce 600
Generation
GeForce 8
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
1080 MHz
Memory
2GB
Memory Size
768MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
384bit
192.3GB/s
Bandwidth
103.7GB/s
Render Config
-
SM Count
16
1536
Shading Units
128
128
TMUs
32
32
ROPs
24
16 KB (per SMX)
L1 Cache
-
512 KB
L2 Cache
96 KB
Theoretical Performance
33.86 GPixel/s
Pixel Rate
14.69 GPixel/s
135.4 GTexel/s
Texture Rate
39.17 GTexel/s
3.250 TFLOPS
FP32 (float)
387.1 GFLOPS
135.4 GFLOPS
FP64 (double)
-
Board Design
195W
TDP
171W
450 W
Suggested PSU
450 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
2x DVI
1x S-Video
2x 6-pin
Power Connectors
2x 6-pin
Graphics Processor
GK104
GPU Name
G80
GK104-400-A2
GPU Variant
G80-450-A3
Kepler
Architecture
Tesla
TSMC
Foundry
TSMC
28 nm
Process Size
90 nm
3.54 billion
Transistors
0.681 billion
294 mm²
Die Size
484 mm²
Graphics Features
12 (11_0)
DirectX
11.1 (10_0)
4.6
OpenGL
3.3
3.0
OpenCL
1.1 (1.0)
1.1
Vulkan
N/A
3.0
CUDA
1.0
5.1
Shader Model
4.0
