GPU Comparison
RADEON
AMD Radeon HD 8790M
CORE STATE
Mars
VRAM
2 GB
CLOCK SPEED
900 MHz
TDP
—
BUS WIDTH
128 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 8790M
Iris Pro Graphics P580
Core Specs
Shading Units
384
576
+50.0%
Shaders
384
576
+50.0%
TMUs
24
72
+200.0%
ROPs
8
9
+12.5%
Compute Units
6
—
Execution Units
—
72
Clocks
Base Clock
850 MHz
350 MHz
Boost Clock
900 MHz
1000 MHz
Memory Clock
1000 MHz
4 Gbps effective
System Shared
Memory
Memory Size
2 GB
System Shared
VRAM (MB)
2,048
—
Memory Type
GDDR5
System Shared
Memory Bus
128 bit
System Shared
Bandwidth
64.00 GB/s
System Dependent
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
256 KB
—
Performance
Pixel Rate
7.200 GPixel/s
9.000 GPixel/s
Texture Rate
21.60 GTexel/s
72.00 GTexel/s
FP32 (TFLOPS)
691.2 GFLOPS
1,152.0 GFLOPS
FP64 (TFLOPS)
43.20 GFLOPS (1:16)
288.0 GFLOPS (1:4)
FP16 (TFLOPS)
—
2.304 TFLOPS (2:1)
Power
TDP
—
15 W
TDP (W)
—
15
Power Connectors
None
—
Architecture
Architecture
GCN 1.0
Generation 9.0
GPU Name
Mars
Skylake GT4e
Generation
Solar System
(HD 8700M)
HD Graphics-W
(Skylake)
Process Size
28 nm
14 nm+
Transistors
950 million
—
Die Size
77 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
MXM Module
IGP
Outputs
Portable Device Dependent
Motherboard Dependent
Bus Interface
MXM-A (3.0)
Ring Bus
Other
Production
End-of-life
End-of-life
Predecessor
London
—
Successor
Gem System
—