GeForce GTX 680 Mac Edition vs T400
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 680 Mac Edition and 2GB VRAM T400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 680 Mac Edition 's Advantages
Larger VRAM bandwidth (192.3GB/s vs 80.00GB/s)
1152 additional rendering cores
T400 's Advantages
Released 8 years and 1 months late
Boost Clock has increased by 35% (1425MHz vs 1058MHz)
Lower TDP (30W vs 195W)
Score
Benchmark
FP32 (float)
GeForce GTX 680 Mac Edition
+197%
3250
T400
1094
Graphics Card
Apr 2013
Release Date
May 2021
GeForce 600
Generation
Quadro
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1006 MHz
Base Clock
420 MHz
1058 MHz
Boost Clock
1425 MHz
1502 MHz
Memory Clock
1250 MHz
Memory
2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR6
256bit
Memory Bus
64bit
192.3GB/s
Bandwidth
80.00GB/s
Render Config
-
SM Count
6
1536
Shading Units
384
128
TMUs
24
32
ROPs
16
16 KB (per SMX)
L1 Cache
64 KB (per SM)
512 KB
L2 Cache
1024 KB
Theoretical Performance
33.86 GPixel/s
Pixel Rate
22.80 GPixel/s
135.4 GTexel/s
Texture Rate
34.20 GTexel/s
-
FP16 (half)
2.189 TFLOPS
3.250 TFLOPS
FP32 (float)
1094 GFLOPS
135.4 GFLOPS
FP64 (double)
34.20 GFLOPS
Board Design
195W
TDP
30W
450 W
Suggested PSU
200 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
3x mini-DisplayPort 1.4a
2x 6-pin
Power Connectors
None
Graphics Processor
GK104
GPU Name
TU117
GK104-400-A2
GPU Variant
-
Kepler
Architecture
Turing
TSMC
Foundry
TSMC
28 nm
Process Size
12 nm
3.54 billion
Transistors
4.7 billion
294 mm²
Die Size
200 mm²
Graphics Features
12 (11_0)
DirectX
12 (12_1)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.3
3.0
CUDA
7.5
5.1
Shader Model
6.6
