Home GPU Comparison NVIDIA GeForce GT 425M vs AMD Radeon HD 6870M

NVIDIA GeForce GT 425M vs AMD Radeon HD 6870M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 425M and 1024MB VRAM Radeon HD 6870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 425M 's Advantages
Lower TDP (23W vs 50W)
AMD Radeon HD 6870M 's Advantages
Larger VRAM bandwidth (64.00GB/s vs 25.60GB/s)
704 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce GT 425M
0.215 TFLOPS
Radeon HD 6870M +402%
1.08 TFLOPS
VS

Graphics Card

Sep 2010
Release Date
Jan 2011
GeForce 400M
Generation
Vancouver
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
MXM-B (3.0)

Clock Speeds

-
Base Clock
-
-
Boost Clock
-
800 MHz
Memory Clock
1000 MHz

Memory

1024MB
Memory Size
1024MB
DDR3
Memory Type
GDDR5
128bit
Memory Bus
128bit
25.60GB/s
Bandwidth
64.00GB/s

Render Config

2
SM Count
-
-
Compute Units
10
96
Shading Units
800
16
TMUs
40
4
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
64 KB (per SM)
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
256 KB

Theoretical Performance

2.240 GPixel/s
Pixel Rate
10.80 GPixel/s
8.960 GTexel/s
Texture Rate
27.00 GTexel/s
-
FP16 (half)
-
215.0 GFLOPS
FP32 (float)
1080 GFLOPS
17.92 GFLOPS
FP64 (double)
-

Graphics Processor

GF108
GPU Name
Granville
N11P-GS-A1
GPU Variant
Granville XT (216-0769024)
Fermi
Architecture
TeraScale 2
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
0.585 billion
Transistors
1.04 billion
116 mm²
Die Size
166 mm²

Board Design

23W
TDP
50W
-
Suggested PSU
-
No outputs
Outputs
No outputs
-
Power Connectors
-

Graphics Features

12 (11_0)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
1.1
OpenCL
1.2
N/A
Vulkan
N/A
2.1
CUDA
-
5.1
Shader Model
5.0

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