Home GPU Comparison AMD Radeon HD 8670M vs NVIDIA GeForce GT 425M

AMD Radeon HD 8670M vs NVIDIA GeForce GT 425M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670M and 1024MB VRAM GeForce GT 425M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8670M 's Advantages
Released 2 years and 6 months late
Boost Clock975MHz
224 additional rendering cores
NVIDIA GeForce GT 425M 's Advantages
Larger VRAM bandwidth (25.60GB/s vs 14.40GB/s)

Score

Benchmark

FP32 (float)
Radeon HD 8670M +190%
0.624 TFLOPS
GeForce GT 425M
0.215 TFLOPS
VS

Graphics Card

Mar 2013
Release Date
Sep 2010
Solar System
Generation
GeForce 400M
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 2.0 x16

Clock Speeds

925 MHz
Base Clock
-
975 MHz
Boost Clock
-
900 MHz
Memory Clock
800 MHz

Memory

1024MB
Memory Size
1024MB
DDR3
Memory Type
DDR3
64bit
Memory Bus
128bit
14.40GB/s
Bandwidth
25.60GB/s

Render Config

5
Compute Units
-
-
SM Count
2
320
Shading Units
96
20
TMUs
16
8
ROPs
4
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
64 KB (per SM)
128 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

7.800 GPixel/s
Pixel Rate
2.240 GPixel/s
19.50 GTexel/s
Texture Rate
8.960 GTexel/s
-
-
-
624.0 GFLOPS
FP32 (float)
215.0 GFLOPS
39.00 GFLOPS
FP64 (double)
17.92 GFLOPS

Board Design

Unknown
TDP
23W
-
-
-
Portable Device Dependent
Outputs
No outputs
-
-
-

Graphics Processor

Sun
GPU Name
GF108
Sun S3 XT (216-0841009)
GPU Variant
N11P-GS-A1
GCN 1.0
Architecture
Fermi
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
0.69 billion
Transistors
0.585 billion
56 mm²
Die Size
116 mm²

Graphics Features

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

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