AMD Radeon Pro Vega 56 vs AMD Radeon HD 7870M
We compared two Mobile platform GPUs: 8GB VRAM Radeon Pro Vega 56 and 2GB VRAM Radeon HD 7870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon Pro Vega 56 's Advantages
Released 5 years and 4 months late
Boost Clock1250MHz
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (402.4GB/s vs 64.00GB/s)
2944 additional rendering cores
AMD Radeon HD 7870M 's Advantages
Lower TDP (45W vs 210W)
Score
Benchmark
FP32 (float)
Radeon Pro Vega 56
+775%
8.96 TFLOPS
Radeon HD 7870M
1.024 TFLOPS
Graphics Card
Aug 2017
Release Date
Apr 2012
Radeon Pro Mac
Generation
London
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1138 MHz
Base Clock
-
1250 MHz
Boost Clock
-
786 MHz
Memory Clock
1000 MHz
Memory
8GB
Memory Size
2GB
HBM2
Memory Type
GDDR5
2048bit
Memory Bus
128bit
402.4GB/s
Bandwidth
64.00GB/s
Render Config
56
Compute Units
10
-
-
-
3584
Shading Units
640
224
TMUs
40
64
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
4 MB
L2 Cache
256 KB
-
-
-
Theoretical Performance
80.00 GPixel/s
Pixel Rate
12.80 GPixel/s
280.0 GTexel/s
Texture Rate
32.00 GTexel/s
17.92 TFLOPS
FP16 (half)
-
8.960 TFLOPS
FP32 (float)
1024 GFLOPS
560.0 GFLOPS
FP64 (double)
64.00 GFLOPS
Board Design
210W
TDP
45W
-
-
-
1x HDMI 2.0b
3x DisplayPort 1.4a
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
Vega 10
GPU Name
Heathrow
Vega 10 XL
(215-0894216)
GPU Variant
Heathrow XT
(216-0835033)
GCN 5.0
Architecture
GCN 1.0
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
28 nm
12.5 billion
Transistors
1.5 billion
495 mm²
Die Size
123 mm²
Graphics Features
12 (12_1)
DirectX
12 (11_1)
4.6
OpenGL
4.6
2.1
OpenCL
1.2
1.2
Vulkan
1.2
-
-
-
6.4
Shader Model
5.1
