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 RX Vega M GL
CORE STATE
Polaris 22
VRAM
4 GB
CLOCK SPEED
1011 MHz
TDP
65 W
BUS WIDTH
1024 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2018
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 8790M
RX Vega M GL
Core Specs
Shading Units
384
1,280
+233.3%
Shaders
384
1,280
+233.3%
TMUs
24
80
+233.3%
ROPs
8
32
+300.0%
Compute Units
6
20
+233.3%
Clocks
Base Clock
850 MHz
931 MHz
Boost Clock
900 MHz
1011 MHz
Memory Clock
1000 MHz
4 Gbps effective
700 MHz
1400 Mbps effective
Memory
Memory Size
2 GB
4 GB
VRAM (MB)
2,048
4,096
+100.0%
Memory Type
GDDR5
HBM2
Memory Bus
128 bit
1024 bit
Bandwidth
64.00 GB/s
179.2 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
256 KB
1024 KB
Performance
Pixel Rate
7.200 GPixel/s
32.35 GPixel/s
Texture Rate
21.60 GTexel/s
80.88 GTexel/s
FP32 (TFLOPS)
691.2 GFLOPS
2.588 TFLOPS
FP64 (TFLOPS)
43.20 GFLOPS (1:16)
161.8 GFLOPS (1:16)
FP16 (TFLOPS)
—
2.588 TFLOPS (1:1)
Power
TDP
—
65 W
TDP (W)
—
65
Power Connectors
None
—
Architecture
Architecture
GCN 1.0
GCN 4.0
GPU Name
Mars
Polaris 22
Generation
Solar System
(HD 8700M)
Vega
(Vega M)
Process Size
28 nm
14 nm
Transistors
950 million
5,000 million
Die Size
77 mm²
208 mm²
Foundry
TSMC
GlobalFoundries
Density
12.3M / mm²
24.0M / 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
MXM Module
IGP
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
MXM-A (3.0)
IGP
Other
Production
End-of-life
End-of-life
Predecessor
London
—
Successor
Gem System
—