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
HD Graphics P4600
CORE STATE
Haswell GT2
VRAM
System Shared
CLOCK SPEED
1200 MHz
TDP
84 W
BUS WIDTH
System Shared
ARCHITECTURE
Generation 7.5
PROCESS
22 nm
LAUNCH DATE
2013
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 8790M
HD Graphics P4600
Core Specs
Shading Units
384
160
-58.3%
Shaders
384
160
-58.3%
TMUs
24
20
-16.7%
ROPs
8
2
-75.0%
Compute Units
6
—
Execution Units
—
20
Clocks
Base Clock
850 MHz
350 MHz
Boost Clock
900 MHz
1200 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
2.400 GPixel/s
Texture Rate
21.60 GTexel/s
24.00 GTexel/s
FP32 (TFLOPS)
691.2 GFLOPS
384.0 GFLOPS
FP64 (TFLOPS)
43.20 GFLOPS (1:16)
96.00 GFLOPS (1:4)
Power
TDP
—
84 W
TDP (W)
—
84
Power Connectors
None
—
Architecture
Architecture
GCN 1.0
Generation 7.5
GPU Name
Mars
Haswell GT2
Generation
Solar System
(HD 8700M)
HD Graphics-W
(Haswell)
Process Size
28 nm
22 nm
Transistors
950 million
—
Die Size
77 mm²
—
Foundry
TSMC
Intel
Density
12.3M / mm²
—
API Support
DirectX
12 (11_1)
12 (11_1)
OpenGL
4.6
4.3
Vulkan
1.2.170
1.0
OpenCL
2.1 (1.2)
1.2
Shader Model
6.5 (5.1)
5.1
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
—