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
RADEON
Radeon Pro Vega 56
CORE STATE
Vega 10
VRAM
8 GB
CLOCK SPEED
1250 MHz
TDP
210 W
BUS WIDTH
2048 bit
ARCHITECTURE
GCN 5.0
PROCESS
14 nm
LAUNCH DATE
2017
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
geekbench_metal
DETAILED SPECIFICATIONS
SPECIFICATION
HD 8790M
Pro Vega 56
Core Specs
Shading Units
384
3,584
+833.3%
Shaders
384
3,584
+833.3%
TMUs
24
224
+833.3%
ROPs
8
64
+700.0%
Compute Units
6
56
+833.3%
Clocks
Base Clock
850 MHz
1138 MHz
Boost Clock
900 MHz
1250 MHz
Memory Clock
1000 MHz
4 Gbps effective
786 MHz
1572 Mbps effective
Memory
Memory Size
2 GB
8 GB
VRAM (MB)
2,048
8,192
+300.0%
Memory Type
GDDR5
HBM2
Memory Bus
128 bit
2048 bit
Bandwidth
64.00 GB/s
402.4 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
256 KB
4 MB
Performance
Pixel Rate
7.200 GPixel/s
80.00 GPixel/s
Texture Rate
21.60 GTexel/s
280.0 GTexel/s
FP32 (TFLOPS)
691.2 GFLOPS
8.960 TFLOPS
FP64 (TFLOPS)
43.20 GFLOPS (1:16)
560.0 GFLOPS (1:16)
FP16 (TFLOPS)
—
17.92 TFLOPS (2:1)
Power
TDP
—
210 W
TDP (W)
—
210
Power Connectors
None
None
Architecture
Architecture
GCN 1.0
GCN 5.0
GPU Name
Mars
Vega 10
Generation
Solar System
(HD 8700M)
Radeon Pro Mac
(Vega Series)
Process Size
28 nm
14 nm
Transistors
950 million
12,500 million
Die Size
77 mm²
495 mm²
Foundry
TSMC
GlobalFoundries
Density
12.3M / mm²
25.3M / 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)
2.1
Shader Model
6.5 (5.1)
6.7
Physical
Slot Width
MXM Module
IGP
Outputs
Portable Device Dependent
1x HDMI 2.0b3x DisplayPort 1.4a
Bus Interface
MXM-A (3.0)
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
London
—
Successor
Gem System
—