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
GPU
Iris Pro Graphics P580
CORE STATE
Skylake GT4e
VRAM
System Shared
CLOCK SPEED
1000 MHz
TDP
15 W
BUS WIDTH
System Shared
ARCHITECTURE
Generation 9.0
PROCESS
14 nm+
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 8670M
Iris Pro Graphics P580
Core Specs
Shading Units
320
576
+80.0%
Shaders
320
576
+80.0%
TMUs
20
72
+260.0%
ROPs
8
9
+12.5%
Compute Units
5
—
Execution Units
—
72
Clocks
Base Clock
925 MHz
350 MHz
Boost Clock
975 MHz
1000 MHz
Memory Clock
900 MHz
1800 Mbps effective
System Shared
Memory
Memory Size
1024 MB
System Shared
VRAM (MB)
1,024
—
Memory Type
DDR3
System Shared
Memory Bus
64 bit
System Shared
Bandwidth
14.40 GB/s
System Dependent
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
128 KB
—
Performance
Pixel Rate
7.800 GPixel/s
9.000 GPixel/s
Texture Rate
19.50 GTexel/s
72.00 GTexel/s
FP32 (TFLOPS)
624.0 GFLOPS
1,152.0 GFLOPS
FP64 (TFLOPS)
39.00 GFLOPS (1:16)
288.0 GFLOPS (1:4)
FP16 (TFLOPS)
—
2.304 TFLOPS (2:1)
Power
TDP
—
15 W
TDP (W)
—
15
Architecture
Architecture
GCN 1.0
Generation 9.0
GPU Name
Sun
Skylake GT4e
Generation
Solar System
(HD 8600M)
HD Graphics-W
(Skylake)
Process Size
28 nm
14 nm+
Transistors
690 million
—
Die Size
56 mm²
—
Foundry
TSMC
Intel
Density
12.3M / mm²
—
API Support
DirectX
12 (11_1)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.3
OpenCL
2.1 (1.2)
3.0
Shader Model
6.5 (5.1)
6.4
Physical
Slot Width
—
IGP
Outputs
—
Motherboard Dependent
Bus Interface
PCIe 3.0 x8
Ring Bus
Other
Production
End-of-life
End-of-life
Predecessor
London
—
Successor
Gem System
—