Radeon Pro Duo Polaris vs Radeon HD 4870 Mac Edition
We compared two Desktop platform GPUs: 16GB VRAM Radeon Pro Duo Polaris and 512MB VRAM Radeon HD 4870 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon Pro Duo Polaris 's Advantages
Released 8 years and 3 months late
More VRAM (16GB vs 512GB)
Larger VRAM bandwidth (224.0GB/s vs 108.8GB/s)
1504 additional rendering cores
Radeon HD 4870 Mac Edition 's Advantages
Lower TDP (150W vs 250W)
Score
Benchmark
FP32 (float)
Radeon Pro Duo Polaris
+377%
5728
Radeon HD 4870 Mac Edition
1200
Graphics Card
Apr 2017
Release Date
Jan 2009
Radeon Pro GCN
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1750 MHz
Memory Clock
850 MHz
Memory
16GB
Memory Size
512MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
224.0GB/s
Bandwidth
108.8GB/s
Render Config
36
Compute Units
10
2304
Shading Units
800
144
TMUs
40
32
ROPs
16
16 KB (per CU)
L1 Cache
16 KB (per CU)
2 MB
L2 Cache
256 KB
Theoretical Performance
39.78 GPixel/s
Pixel Rate
12.00 GPixel/s
179.0 GTexel/s
Texture Rate
30.00 GTexel/s
5.728 TFLOPS
FP16 (half)
-
5.728 TFLOPS
FP32 (float)
1200 GFLOPS
358.0 GFLOPS
FP64 (double)
240.0 GFLOPS
Board Design
250W
TDP
150W
600 W
Suggested PSU
450 W
1x HDMI 2.0b
3x DisplayPort 1.4a
Outputs
1x DVI
1x mini-DisplayPort 1.0
1x 6-pin + 1x 8-pin
Power Connectors
2x 6-pin
Graphics Processor
Ellesmere
GPU Name
RV770
Ellesmere Gemini GL
GPU Variant
RV770 XT Mac
(215-0669080)
GCN 4.0
Architecture
TeraScale
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
55 nm
5.7 billion
Transistors
0.956 billion
232 mm²
Die Size
256 mm²
Graphics Features
12 (12_0)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
2.1
OpenCL
1.1
1.3
Vulkan
N/A
6.7
Shader Model
4.1
