Home GPU Comparison AMD Radeon HD 7450A vs NVIDIA GeForce GTX 680M

AMD Radeon HD 7450A vs NVIDIA GeForce GTX 680M

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 7450A and 4GB VRAM GeForce GTX 680M 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 100W)
NVIDIA GeForce GTX 680M 's Advantages
Boost Clock758MHz
More VRAM (4GB vs 512GB)
Larger VRAM bandwidth (115.2GB/s vs 12.80GB/s)
1184 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 7450A
0.2 TFLOPS
GeForce GTX 680M +919%
2.038 TFLOPS
VS

Graphics Card

Jan 2012
Release Date
Jun 2012
All-In-One
Generation
GeForce 600M
Mobile
Type
Mobile
MXM-A (3.0)
Bus Interface
MXM-B (3.0)

Clock Speeds

-
Base Clock
719 MHz
-
Boost Clock
758 MHz
800 MHz
Memory Clock
900 MHz

Memory

512MB
Memory Size
4GB
GDDR3
Memory Type
GDDR5
64bit
Memory Bus
256bit
12.80GB/s
Bandwidth
115.2GB/s

Render Config

2
Compute Units
-
-
-
-
160
Shading Units
1344
8
TMUs
112
4
ROPs
32
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
16 KB (per SMX)
128 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

2.500 GPixel/s
Pixel Rate
21.22 GPixel/s
5.000 GTexel/s
Texture Rate
84.90 GTexel/s
-
-
-
200.0 GFLOPS
FP32 (float)
2.038 TFLOPS
-
FP64 (double)
84.90 GFLOPS

Board Design

25W
TDP
100W
-
-
-
No outputs
Outputs
No outputs
-
Power Connectors
None

Graphics Processor

Caicos
GPU Name
GK104
-
GPU Variant
N13E-GTX-A2
TeraScale 2
Architecture
Kepler
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.37 billion
Transistors
3.54 billion
67 mm²
Die Size
294 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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