GeForce GTX 670M vs Mobility Radeon HD 3870
We compared two Mobile platform GPUs: 1536MB VRAM GeForce GTX 670M and 512MB VRAM Mobility Radeon HD 3870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX 670M 's Advantages
Released 3 years and 9 months late
More VRAM (1536GB vs 512GB)
Larger VRAM bandwidth (72.00GB/s vs 54.40GB/s)
16 additional rendering cores
Mobility Radeon HD 3870 's Advantages
Lower TDP (55W vs 75W)
Score
Benchmark
FP32 (float)
GeForce GTX 670M
+90%
804
Mobility Radeon HD 3870
422
Graphics Card
Mar 2012
Release Date
Jun 2008
GeForce 600M
Generation
M8x
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 2.0 x16
Clock Speeds
750 MHz
Memory Clock
850 MHz
Memory
1536MB
Memory Size
512MB
GDDR5
Memory Type
GDDR3
192bit
Memory Bus
256bit
72.00GB/s
Bandwidth
54.40GB/s
Render Config
-
Compute Units
4
7
SM Count
-
336
Shading Units
320
56
TMUs
16
24
ROPs
16
64 KB (per SM)
L1 Cache
-
384 KB
L2 Cache
256 KB
Theoretical Performance
8.372 GPixel/s
Pixel Rate
10.56 GPixel/s
33.49 GTexel/s
Texture Rate
10.56 GTexel/s
803.7 GFLOPS
FP32 (float)
422.4 GFLOPS
66.98 GFLOPS
FP64 (double)
84.48 GFLOPS
Board Design
75W
TDP
55W
No outputs
Outputs
No outputs
Graphics Processor
GF114
GPU Name
M88
N13E-GS1-LP-A1
GPU Variant
-
Fermi 2.0
Architecture
TeraScale
TSMC
Foundry
TSMC
40 nm
Process Size
55 nm
1.95 billion
Transistors
0.666 billion
332 mm²
Die Size
192 mm²
Graphics Features
12 (11_0)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
1.1
OpenCL
N/A
N/A
Vulkan
N/A
2.1
CUDA
-
5.1
Shader Model
4.1