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GPU Comparison
NVIDIA GeForce GTX 780 vs AMD Radeon HD 6450
NVIDIA GeForce GTX 780 vs AMD Radeon HD 6450
VS
NVIDIA GeForce GTX 780
AMD Radeon HD 6450
We compared two Desktop platform GPUs: 3GB VRAM GeForce GTX 780 and 512MB VRAM Radeon HD 6450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 780 's Advantages
Released 2 years and 1 months late
Boost Clock902MHz
Larger VRAM bandwidth (288.4GB/s vs 25.60GB/s)
2144 additional rendering cores
AMD Radeon HD 6450 's Advantages
Lower TDP (18W vs 250W)
Score
Benchmark
FP32 (float)
GeForce GTX 780
+1978%
4.156 TFLOPS
Radeon HD 6450
0.2 TFLOPS
GeForce GTX 780
VS
Radeon HD 6450
Graphics Card
May 2013
Release Date
Apr 2011
GeForce 700
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
863 MHz
Base Clock
-
902 MHz
Boost Clock
-
1502 MHz
Memory Clock
800 MHz
Memory
3GB
Memory Size
512MB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
64bit
288.4GB/s
Bandwidth
25.60GB/s
Render Config
-
SM Count
-
-
Compute Units
2
2304
Shading Units
160
192
TMUs
8
48
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
16 KB (per SMX)
L1 Cache
8 KB (per CU)
1536 KB
L2 Cache
128 KB
Theoretical Performance
43.30 GPixel/s
Pixel Rate
2.500 GPixel/s
173.2 GTexel/s
Texture Rate
5.000 GTexel/s
-
FP16 (half)
-
4.156 TFLOPS
FP32 (float)
200.0 GFLOPS
173.2 GFLOPS
FP64 (double)
-
Graphics Processor
GK110
GPU Name
Caicos
GK110-300-A1
GPU Variant
Caicos PRO
Kepler
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
7.08 billion
Transistors
0.37 billion
561 mm²
Die Size
67 mm²
Board Design
250W
TDP
18W
600 W
Suggested PSU
200 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.3a 1x VGA
1x 6-pin + 1x 8-pin
Power Connectors
None
Graphics Features
12 (11_0)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
3.0
OpenCL
1.2
1.1
Vulkan
N/A
3.5
CUDA
-
5.1
Shader Model
5.0
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