Home GPU Comparison NVIDIA GeForce GTX 680M vs AMD Radeon R7 M270

NVIDIA GeForce GTX 680M vs AMD Radeon R7 M270

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 680M and 2GB VRAM Radeon R7 M270 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 680M 's Advantages
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (115.2GB/s vs 28.80GB/s)
960 additional rendering cores
AMD Radeon R7 M270 's Advantages
Released 1 years and 7 months late
Boost Clock has increased by 9% (825MHz vs 758MHz)

Score

Benchmark

FP32 (float)
GeForce GTX 680M +221%
2.038 TFLOPS
Radeon R7 M270
0.633 TFLOPS
VS

Graphics Card

Jun 2012
Release Date
Jan 2014
GeForce 600M
Generation
Gem System
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 3.0 x8

Clock Speeds

719 MHz
Base Clock
725 MHz
758 MHz
Boost Clock
825 MHz
900 MHz
Memory Clock
900 MHz

Memory

4GB
Memory Size
2GB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
128bit
115.2GB/s
Bandwidth
28.80GB/s

Render Config

-
Compute Units
6
-
-
-
1344
Shading Units
384
112
TMUs
24
32
ROPs
8
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

21.22 GPixel/s
Pixel Rate
6.600 GPixel/s
84.90 GTexel/s
Texture Rate
19.80 GTexel/s
-
-
-
2.038 TFLOPS
FP32 (float)
633.6 GFLOPS
84.90 GFLOPS
FP64 (double)
-

Board Design

100W
TDP
Unknown
-
-
-
No outputs
Outputs
Portable Device Dependent
None
Power Connectors
-

Graphics Processor

GK104
GPU Name
Opal
N13E-GTX-A2
GPU Variant
Opal XT
Kepler
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
3.54 billion
Transistors
0.95 billion
294 mm²
Die Size
77 mm²

Graphics Features

12 (11_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
3.0
OpenCL
2.1 (1.2)
1.1
Vulkan
1.2.170
3.0
CUDA
-
5.1
Shader Model
6.5 (5.1)

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