GPU Comparison
RADEON
AMD Radeon HD 8670M
CORE STATE
Sun
VRAM
1024 MB
CLOCK SPEED
975 MHz
TDP
—
BUS WIDTH
64 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2013
VS
RADEON
Radeon Pro 555
CORE STATE
Polaris 21
VRAM
2 GB
CLOCK SPEED
—
TDP
75 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2017
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_metal
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 8670M
Pro 555
Core Specs
Shading Units
320
768
+140.0%
Shaders
320
768
+140.0%
TMUs
20
48
+140.0%
ROPs
8
16
+100.0%
Compute Units
5
12
+140.0%
Clocks
Base Clock
925 MHz
—
Boost Clock
975 MHz
—
GPU Clock
—
850 MHz
Memory Clock
900 MHz
1800 Mbps effective
1275 MHz
5.1 Gbps effective
Memory
Memory Size
1024 MB
2 GB
VRAM (MB)
1,024
2,048
+100.0%
Memory Type
DDR3
GDDR5
Memory Bus
64 bit
128 bit
Bandwidth
14.40 GB/s
81.60 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
128 KB
1024 KB
Performance
Pixel Rate
7.800 GPixel/s
13.60 GPixel/s
Texture Rate
19.50 GTexel/s
40.80 GTexel/s
FP32 (TFLOPS)
624.0 GFLOPS
1,305.6 GFLOPS
FP64 (TFLOPS)
39.00 GFLOPS (1:16)
81.60 GFLOPS (1:16)
FP16 (TFLOPS)
—
1,305.6 GFLOPS (1:1)
Power
TDP
—
75 W
TDP (W)
—
75
Power Connectors
—
None
Architecture
Architecture
GCN 1.0
GCN 4.0
GPU Name
Sun
Polaris 21
Generation
Solar System
(HD 8600M)
Radeon Pro Mac
(500 Series)
Process Size
28 nm
14 nm
Transistors
690 million
3,000 million
Die Size
56 mm²
123 mm²
Foundry
TSMC
GlobalFoundries
Density
12.3M / 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 x8
PCIe 3.0 x8
Other
Production
End-of-life
End-of-life
Predecessor
London
—
Successor
Gem System
—