Home GPU Comparison AMD Radeon HD 7450A vs NVIDIA GeForce GT 750M Mac Edition

AMD Radeon HD 7450A vs NVIDIA GeForce GT 750M Mac Edition

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 7450A and 2GB VRAM GeForce GT 750M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7450A 's Advantages
Lower TDP (25W vs 50W)
NVIDIA GeForce GT 750M Mac Edition 's Advantages
Released 1 years and 10 months late
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (80.26GB/s vs 12.80GB/s)
224 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 7450A
0.2 TFLOPS
GeForce GT 750M Mac Edition +255%
0.711 TFLOPS
VS

Graphics Card

Jan 2012
Release Date
Nov 2013
All-In-One
Generation
GeForce 700M
Mobile
Type
Mobile
MXM-A (3.0)
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
-
-
-
-
-
800 MHz
Memory Clock
1254 MHz

Memory

512MB
Memory Size
2GB
GDDR3
Memory Type
GDDR5
64bit
Memory Bus
128bit
12.80GB/s
Bandwidth
80.26GB/s

Render Config

2
Compute Units
-
-
-
-
160
Shading Units
384
8
TMUs
32
4
ROPs
16
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
16 KB (per SMX)
128 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

2.500 GPixel/s
Pixel Rate
7.408 GPixel/s
5.000 GTexel/s
Texture Rate
29.63 GTexel/s
-
-
-
200.0 GFLOPS
FP32 (float)
711.2 GFLOPS
-
FP64 (double)
29.63 GFLOPS

Board Design

25W
TDP
50W
-
-
-
No outputs
Outputs
No outputs
-
-
-

Graphics Processor

Caicos
GPU Name
GK107
-
GPU Variant
N14P-GT
TeraScale 2
Architecture
Kepler
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.37 billion
Transistors
1.27 billion
67 mm²
Die Size
118 mm²

Graphics Features

11.2 (11_0)
DirectX
12 (11_0)
4.4
OpenGL
4.6
1.2
OpenCL
3.0
N/A
Vulkan
1.1
-
CUDA
3.0
5.0
Shader Model
5.1

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