Home GPU Comparison AMD Radeon R9 M270X vs NVIDIA GeForce 8400M G

AMD Radeon R9 M270X vs NVIDIA GeForce 8400M G

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M270X and 256MB VRAM GeForce 8400M G to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M270X 's Advantages
Released 7 years and 9 months late
Boost Clock1000MHz
More VRAM (2GB vs 256GB)
Larger VRAM bandwidth (88.00GB/s vs 6.400GB/s)
760 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon R9 M270X +11715%
1.536 TFLOPS
GeForce 8400M G
0.013 TFLOPS
VS

Graphics Card

Feb 2015
Release Date
May 2007
Gem System
Generation
GeForce 8M
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 1.0 x16

Clock Speeds

900 MHz
Base Clock
-
1000 MHz
Boost Clock
-
1375 MHz
Memory Clock
400 MHz

Memory

2GB
Memory Size
256MB
GDDR5
Memory Type
GDDR3
128bit
Memory Bus
64bit
88.00GB/s
Bandwidth
6.400GB/s

Render Config

12
Compute Units
-
-
SM Count
1
768
Shading Units
8
48
TMUs
8
16
ROPs
4
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
-
256 KB
L2 Cache
16 KB
-
-
-

Theoretical Performance

16.00 GPixel/s
Pixel Rate
1.600 GPixel/s
48.00 GTexel/s
Texture Rate
3.200 GTexel/s
-
-
-
1.536 TFLOPS
FP32 (float)
12.80 GFLOPS
96.00 GFLOPS
FP64 (double)
-

Board Design

Unknown
TDP
10W
-
-
-
Portable Device Dependent
Outputs
No outputs
-
Power Connectors
None

Graphics Processor

Saturn
GPU Name
G86
Saturn PRO (216-0843044)
GPU Variant
NB8M-SE
GCN 2.0
Architecture
Tesla
TSMC
Foundry
TSMC
28 nm
Process Size
80 nm
2.08 billion
Transistors
0.21 billion
160 mm²
Die Size
127 mm²

Graphics Features

12 (12_0)
DirectX
11.1 (10_0)
4.6
OpenGL
3.3
2.1
OpenCL
1.1
1.2.170
Vulkan
N/A
-
CUDA
1.1
6.5
Shader Model
4.0

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