GeForce GTX 680 Mac Edition vs Radeon 550X
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 680 Mac Edition and 2GB VRAM Radeon 550X 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 112.0GB/s)
1024 additional rendering cores
Radeon 550X 's Advantages
Released 5 years and 11 months late
Boost Clock has increased by 15% (1218MHz vs 1058MHz)
Lower TDP (50W vs 195W)
Score
Benchmark
FP32 (float)
GeForce GTX 680 Mac Edition
+160%
3250
Radeon 550X
1247
Graphics Card
Apr 2013
Release Date
Mar 2019
GeForce 600
Generation
Polaris
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
1006 MHz
Base Clock
1082 MHz
1058 MHz
Boost Clock
1218 MHz
1502 MHz
Memory Clock
1750 MHz
Memory
2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
192.3GB/s
Bandwidth
112.0GB/s
Render Config
-
Compute Units
8
1536
Shading Units
512
128
TMUs
32
32
ROPs
16
16 KB (per SMX)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
512 KB
Theoretical Performance
33.86 GPixel/s
Pixel Rate
19.49 GPixel/s
135.4 GTexel/s
Texture Rate
38.98 GTexel/s
-
FP16 (half)
1247 GFLOPS
3.250 TFLOPS
FP32 (float)
1247 GFLOPS
135.4 GFLOPS
FP64 (double)
77.95 GFLOPS
Board Design
195W
TDP
50W
450 W
Suggested PSU
250 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
1x DVI
1x HDMI 2.0b
1x DisplayPort 1.4a
2x 6-pin
Power Connectors
None
Graphics Processor
GK104
GPU Name
Lexa
GK104-400-A2
GPU Variant
Lexa PRO
(215-0904018)
Kepler
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
28 nm
Process Size
14 nm
3.54 billion
Transistors
2.2 billion
294 mm²
Die Size
103 mm²
Graphics Features
12 (11_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.1
Vulkan
1.2
3.0
CUDA
-
5.1
Shader Model
6.4
