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GPU Comparison
NVIDIA GeForce GTX 680 Mac Edition vs ATI Radeon HD 3450 X2
NVIDIA GeForce GTX 680 Mac Edition vs ATI Radeon HD 3450 X2
VS
NVIDIA GeForce GTX 680 Mac Edition
ATI Radeon HD 3450 X2
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 680 Mac Edition and 512MB VRAM Radeon HD 3450 X2 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 4 months late
Boost Clock1058MHz
Larger VRAM bandwidth (192.3GB/s vs 8.000GB/s)
1496 additional rendering cores
ATI Radeon HD 3450 X2 's Advantages
Lower TDP (50W vs 195W)
Score
Benchmark
FP32 (float)
GeForce GTX 680 Mac Edition
+6670%
3.25 TFLOPS
Radeon HD 3450 X2
0.048 TFLOPS
GeForce GTX 680 Mac Edition
VS
Radeon HD 3450 X2
Graphics Card
Apr 2013
Release Date
Dec 2007
GeForce 600
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1006 MHz
Base Clock
-
1058 MHz
Boost Clock
-
1502 MHz
Memory Clock
500 MHz
Memory
2GB
Memory Size
512MB
GDDR5
Memory Type
DDR2
256bit
Memory Bus
64bit
192.3GB/s
Bandwidth
8.000GB/s
Render Config
-
SM Count
-
-
Compute Units
2
1536
Shading Units
40
128
TMUs
4
32
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
16 KB (per SMX)
L1 Cache
-
512 KB
L2 Cache
64 KB
Theoretical Performance
33.86 GPixel/s
Pixel Rate
2.400 GPixel/s
135.4 GTexel/s
Texture Rate
2.400 GTexel/s
-
FP16 (half)
-
3.250 TFLOPS
FP32 (float)
48.00 GFLOPS
135.4 GFLOPS
FP64 (double)
-
Graphics Processor
GK104
GPU Name
RV620
GK104-400-A2
GPU Variant
RV620 LE
Kepler
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
3.54 billion
Transistors
0.181 billion
294 mm²
Die Size
67 mm²
Board Design
195W
TDP
50W
450 W
Suggested PSU
250 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
2x DMS-59
2x 6-pin
Power Connectors
None
Graphics Features
12 (11_0)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
3.0
OpenCL
N/A
1.1
Vulkan
N/A
3.0
CUDA
-
5.1
Shader Model
4.1
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