AMD Radeon Pro Vega 64 vs ATI Mobility Radeon HD 3870
We compared two Mobile platform GPUs: 16GB VRAM Radeon Pro Vega 64 and 512MB VRAM Mobility Radeon HD 3870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon Pro Vega 64 's Advantages
Released 9 years late
Boost Clock1350MHz
More VRAM (16GB vs 512GB)
Larger VRAM bandwidth (402.4GB/s vs 54.40GB/s)
3776 additional rendering cores
ATI Mobility Radeon HD 3870 's Advantages
Lower TDP (55W vs 250W)
Score
Benchmark
FP32 (float)
Radeon Pro Vega 64
+2520%
11.06 TFLOPS
Mobility Radeon HD 3870
0.422 TFLOPS
Graphics Card
Jun 2017
Release Date
Jun 2008
Radeon Pro Mac
Generation
M8x
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1250 MHz
Base Clock
-
1350 MHz
Boost Clock
-
786 MHz
Memory Clock
850 MHz
Memory
16GB
Memory Size
512MB
HBM2
Memory Type
GDDR3
2048bit
Memory Bus
256bit
402.4GB/s
Bandwidth
54.40GB/s
Render Config
64
Compute Units
4
-
-
-
4096
Shading Units
320
256
TMUs
16
64
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
-
4 MB
L2 Cache
256 KB
-
-
-
Theoretical Performance
86.40 GPixel/s
Pixel Rate
10.56 GPixel/s
345.6 GTexel/s
Texture Rate
10.56 GTexel/s
22.12 TFLOPS
FP16 (half)
-
11.06 TFLOPS
FP32 (float)
422.4 GFLOPS
691.2 GFLOPS
FP64 (double)
84.48 GFLOPS
Board Design
250W
TDP
55W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
Vega 10
GPU Name
M88
Vega 10 XT
(215-0894200)
GPU Variant
-
GCN 5.0
Architecture
TeraScale
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
55 nm
12.5 billion
Transistors
0.666 billion
495 mm²
Die Size
192 mm²
Graphics Features
12 (12_1)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
2.1
OpenCL
N/A
1.2
Vulkan
N/A
-
-
-
6.4
Shader Model
4.1
