GPU Comparison
RADEON
AMD Radeon HD 8870M
CORE STATE
Venus
VRAM
2 GB
CLOCK SPEED
775 MHz
TDP
—
BUS WIDTH
128 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2013
VS
RADEON
Radeon Pro 560X
CORE STATE
Polaris 21
VRAM
4 GB
CLOCK SPEED
—
TDP
75 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2018
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_metal
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 8870M
Pro 560X
Core Specs
Shading Units
640
1,024
+60.0%
Shaders
640
1,024
+60.0%
TMUs
40
64
+60.0%
ROPs
16
16
0.0%
Compute Units
10
16
+60.0%
Clocks
Base Clock
725 MHz
—
Boost Clock
775 MHz
—
GPU Clock
—
1004 MHz
Memory Clock
1125 MHz
4.5 Gbps effective
1470 MHz
5.9 Gbps effective
Memory
Memory Size
2 GB
4 GB
VRAM (MB)
2,048
4,096
+100.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
128 bit
Bandwidth
72.00 GB/s
94.08 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
256 KB
1024 KB
Performance
Pixel Rate
12.40 GPixel/s
16.06 GPixel/s
Texture Rate
31.00 GTexel/s
64.26 GTexel/s
FP32 (TFLOPS)
992.0 GFLOPS
2.056 TFLOPS
FP64 (TFLOPS)
62.00 GFLOPS (1:16)
128.5 GFLOPS (1:16)
FP16 (TFLOPS)
—
2.056 TFLOPS (1:1)
Power
TDP
—
75 W
TDP (W)
—
75
Power Connectors
—
None
Architecture
Architecture
GCN 1.0
GCN 4.0
GPU Name
Venus
Polaris 21
Generation
Solar System
(HD 8800M)
Radeon Pro Mac
(500X Series)
Process Size
28 nm
14 nm
Transistors
1,500 million
3,000 million
Die Size
123 mm²
123 mm²
Foundry
TSMC
GlobalFoundries
Density
12.2M / mm²
24.4M / mm²
API Support
DirectX
12 (11_1)
12 (12_0)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.3
OpenCL
2.1 (1.2)
2.1
Shader Model
6.5 (5.1)
6.7
Physical
Slot Width
—
IGP
Outputs
—
Portable Device Dependent
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x8
Other
Production
End-of-life
End-of-life
Predecessor
London
—
Successor
Gem System
—