Home GPU Comparison NVIDIA GeForce GTX 780 Ti 6 GB vs AMD Radeon HD 6450 OEM

NVIDIA GeForce GTX 780 Ti 6 GB vs AMD Radeon HD 6450 OEM

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX 780 Ti 6 GB and 512MB VRAM Radeon HD 6450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 780 Ti 6 GB 's Advantages
Boost Clock928MHz
More VRAM (6GB vs 512GB)
Larger VRAM bandwidth (336.6GB/s vs 8.528GB/s)
2720 additional rendering cores
AMD Radeon HD 6450 OEM 's Advantages
Lower TDP (18W vs 250W)

Score

Benchmark

FP32 (float)
GeForce GTX 780 Ti 6 GB +2572%
5.345 TFLOPS
Radeon HD 6450 OEM
0.2 TFLOPS
VS

Graphics Card

Unknown
Release Date
Feb 2011
GeForce 700
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

875 MHz
Base Clock
-
928 MHz
Boost Clock
-
1753 MHz
Memory Clock
533 MHz

Memory

6GB
Memory Size
512MB
GDDR5
Memory Type
GDDR3
384bit
Memory Bus
64bit
336.6GB/s
Bandwidth
8.528GB/s

Render Config

-
Compute Units
2
-
-
-
2880
Shading Units
160
240
TMUs
8
48
ROPs
4
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
8 KB (per CU)
1536 KB
L2 Cache
128 KB
-
-
-

Theoretical Performance

55.68 GPixel/s
Pixel Rate
2.500 GPixel/s
222.7 GTexel/s
Texture Rate
5.000 GTexel/s
-
-
-
5.345 TFLOPS
FP32 (float)
200.0 GFLOPS
222.7 GFLOPS
FP64 (double)
-

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 Processor

GK110B
GPU Name
Caicos
-
GPU Variant
Junbonator
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

Graphics Features

12 (11_1)
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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