Mobility Radeon HD 3870 vs Radeon RX 570 Mobile
We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 3870 and 8GB VRAM Radeon RX 570 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Mobility Radeon HD 3870 Advantages
Lower TDP (55W vs 85W)
Radeon RX 570 Mobile Advantages
Released 9 years and 6 months late
Boost Clock1206MHz
More VRAM (8GB vs 512GB)
Larger VRAM bandwidth (211.2GB/s vs 54.40GB/s)
1728 additional rendering cores
Score
Benchmark
FP32 (float)
Mobility Radeon HD 3870
422
Radeon RX 570 Mobile
+1070%
4940
Graphics Card
Jun 2008
Release Date
Dec 2017
M8x
Generation
Mobility Radeon
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
MXM-B (3.0)
Clock Speeds
-
Base Clock
926 MHz
-
Boost Clock
1206 MHz
850 MHz
Memory Clock
1650 MHz
Memory
512MB
Memory Size
8GB
GDDR3
Memory Type
GDDR5
256bit
Memory Bus
256bit
54.40GB/s
Bandwidth
211.2GB/s
Render Config
4
Compute Units
32
320
Shading Units
2048
16
TMUs
128
16
ROPs
32
-
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
2 MB
Theoretical Performance
10.56 GPixel/s
Pixel Rate
38.59 GPixel/s
10.56 GTexel/s
Texture Rate
154.4 GTexel/s
-
FP16 (half)
4.940 TFLOPS
422.4 GFLOPS
FP32 (float)
4.940 TFLOPS
84.48 GFLOPS
FP64 (double)
308.7 GFLOPS
Board Design
55W
TDP
85W
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
M88
GPU Name
Ellesmere
-
GPU Variant
Ellesmere PRO
TeraScale
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
55 nm
Process Size
14 nm
0.666 billion
Transistors
5.7 billion
192 mm²
Die Size
232 mm²
Graphics Features
10.1 (10_1)
DirectX
12 (12_0)
3.3
OpenGL
4.6
N/A
OpenCL
2.1
N/A
Vulkan
1.2
4.1
Shader Model
6.4
