Home GPU Comparison AMD Radeon HD 8870 OEM vs AMD Radeon RX 560 896SP

AMD Radeon HD 8870 OEM vs AMD Radeon RX 560 896SP

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 8870 OEM and 4GB VRAM Radeon RX 560 896SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8870 OEM 's Advantages
Larger VRAM bandwidth (153.6GB/s vs 112.0GB/s)
384 additional rendering cores
AMD Radeon RX 560 896SP 's Advantages
Released 4 years and 6 months late
Boost Clock1175MHz
More VRAM (4GB vs 2GB)
Lower TDP (45W vs 175W)

Score

Benchmark

FP32 (float)
Radeon HD 8870 OEM +21%
2.56 TFLOPS
Radeon RX 560 896SP
2.106 TFLOPS
VS

Graphics Card

Jan 2013
Release Date
Jul 2017
Sea Islands
Generation
Polaris
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x8

Clock Speeds

-
Base Clock
1090 MHz
-
Boost Clock
1175 MHz
1200 MHz
Memory Clock
1750 MHz

Memory

2GB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
153.6GB/s
Bandwidth
112.0GB/s

Render Config

20
Compute Units
14
-
-
-
1280
Shading Units
896
80
TMUs
56
32
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
1024 KB
-
-
-

Theoretical Performance

32.00 GPixel/s
Pixel Rate
18.80 GPixel/s
80.00 GTexel/s
Texture Rate
65.80 GTexel/s
-
FP16 (half)
2.106 TFLOPS
2.560 TFLOPS
FP32 (float)
2.106 TFLOPS
160.0 GFLOPS
FP64 (double)
131.6 GFLOPS

Board Design

175W
TDP
45W
450 W
Suggested PSU
200 W
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a
2x 6-pin
Power Connectors
None

Graphics Processor

Pitcairn
GPU Name
Polaris 21
Pitcairn XT (215-0828047)
GPU Variant
Polaris 21 XL
GCN 1.0
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
28 nm
Process Size
14 nm
2.8 billion
Transistors
3 billion
212 mm²
Die Size
123 mm²

Graphics Features

12 (11_1)
DirectX
12 (12_0)
4.6
OpenGL
4.6
1.2
OpenCL
2.1
1.2
Vulkan
1.2
-
-
-
5.1
Shader Model
6.4

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