Home GPU Comparison NVIDIA GeForce GTX 680M vs AMD Radeon R9 M485X

NVIDIA GeForce GTX 680M vs AMD Radeon R9 M485X

NVIDIA GeForce GTX 680M
VS
AMD Radeon R9 M485X
NVIDIA GeForce GTX 680M
AMD Radeon R9 M485X
We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 680M and 8GB VRAM Radeon R9 M485X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 680M 's Advantages
Boost Clock758MHz
Lower TDP (100W vs 250W)
AMD Radeon R9 M485X 's Advantages
Released 3 years and 11 months late
More VRAM (8GB vs 4GB)
Larger VRAM bandwidth (160.0GB/s vs 115.2GB/s)
704 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce GTX 680M
2.038 TFLOPS
Radeon R9 M485X +45%
2.961 TFLOPS
GeForce GTX 680M
VS
Radeon R9 M485X

Graphics Card

Jun 2012
Release Date
May 2016
GeForce 600M
Generation
Crystal System
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
MXM-B (3.0)

Clock Speeds

719 MHz
Base Clock
-
758 MHz
Boost Clock
-
900 MHz
Memory Clock
1250 MHz

Memory

4GB
Memory Size
8GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
115.2GB/s
Bandwidth
160.0GB/s

Render Config

-
Compute Units
32
-
-
-
1344
Shading Units
2048
112
TMUs
128
32
ROPs
32
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

21.22 GPixel/s
Pixel Rate
23.14 GPixel/s
84.90 GTexel/s
Texture Rate
92.54 GTexel/s
-
FP16 (half)
2.961 TFLOPS
2.038 TFLOPS
FP32 (float)
2.961 TFLOPS
84.90 GFLOPS
FP64 (double)
185.1 GFLOPS

Board Design

100W
TDP
250W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
None

Graphics Processor

GK104
GPU Name
Amethyst
N13E-GTX-A2
GPU Variant
Amethyst XT
Kepler
Architecture
GCN 3.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
3.54 billion
Transistors
5 billion
294 mm²
Die Size
366 mm²

Graphics Features

12 (11_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.0
1.1
Vulkan
1.2
3.0
CUDA
-
5.1
Shader Model
6.3

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