Mobility Radeon HD 3870 vs FirePro M4100
We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 3870 and 2GB VRAM FirePro M4100 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
FirePro M4100 's Advantages
Released 5 years and 4 months late
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (64.00GB/s vs 54.40GB/s)
64 additional rendering cores
Score
Benchmark
FP32 (float)
Mobility Radeon HD 3870
422
FirePro M4100
+21%
514
Graphics Card
Jun 2008
Release Date
Oct 2013
M8x
Generation
FirePro Mobile
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
850 MHz
Memory Clock
1000 MHz
Memory
512MB
Memory Size
2GB
GDDR3
Memory Type
GDDR5
256bit
Memory Bus
128bit
54.40GB/s
Bandwidth
64.00GB/s
Render Config
4
Compute Units
6
320
Shading Units
384
16
TMUs
24
16
ROPs
8
-
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
256 KB
Theoretical Performance
10.56 GPixel/s
Pixel Rate
5.360 GPixel/s
10.56 GTexel/s
Texture Rate
16.08 GTexel/s
422.4 GFLOPS
FP32 (float)
514.6 GFLOPS
84.48 GFLOPS
FP64 (double)
32.16 GFLOPS
Board Design
55W
TDP
Unknown
No outputs
Outputs
Portable Device Dependent
Graphics Processor
M88
GPU Name
Mars
-
GPU Variant
Mars M2 PRO/LP
(216-0842009)
TeraScale
Architecture
GCN 1.0
TSMC
Foundry
TSMC
55 nm
Process Size
28 nm
0.666 billion
Transistors
0.95 billion
192 mm²
Die Size
77 mm²
Graphics Features
10.1 (10_1)
DirectX
12 (11_1)
3.3
OpenGL
4.6
N/A
OpenCL
2.1 (1.2)
N/A
Vulkan
1.2.170
4.1
Shader Model
6.5 (5.1)
