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 6550M
CORE STATE
Navi 24
VRAM
4 GB
CLOCK SPEED
2840 MHz
TDP
80 W
BUS WIDTH
64 bit
ARCHITECTURE
RDNA 2.0
PROCESS
6 nm
LAUNCH DATE
2023
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 8790M
RX 6550M
Core Specs
Shading Units
384
1,024
+166.7%
Shaders
384
1,024
+166.7%
TMUs
24
64
+166.7%
ROPs
8
32
+300.0%
Compute Units
6
16
+166.7%
Clocks
Base Clock
850 MHz
2000 MHz
Boost Clock
900 MHz
2840 MHz
Game Clock
—
2560 MHz
Memory Clock
1000 MHz
4 Gbps effective
2250 MHz
18 Gbps effective
Memory
Memory Size
2 GB
4 GB
VRAM (MB)
2,048
4,096
+100.0%
Memory Type
GDDR5
GDDR6
Memory Bus
128 bit
64 bit
Bandwidth
64.00 GB/s
144.0 GB/s
Cache
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
256 KB
1024 KB
L3 Cache
—
16 MB
L0 Cache
—
32 KB per WGP
Performance
Pixel Rate
7.200 GPixel/s
90.88 GPixel/s
Texture Rate
21.60 GTexel/s
181.8 GTexel/s
FP32 (TFLOPS)
691.2 GFLOPS
5.816 TFLOPS
FP64 (TFLOPS)
43.20 GFLOPS (1:16)
363.5 GFLOPS (1:16)
FP16 (TFLOPS)
—
11.63 TFLOPS (2:1)
AI/RT
RT Cores
—
16
Power
TDP
—
80 W
TDP (W)
—
80
Power Connectors
None
None
Architecture
Architecture
GCN 1.0
RDNA 2.0
GPU Name
Mars
Navi 24
Generation
Solar System
(HD 8700M)
Navi Mobile
(RX 6000M)
Process Size
28 nm
6 nm
Transistors
950 million
5,400 million
Die Size
77 mm²
107 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
50.5M / mm²
API Support
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1 (1.2)
2.2
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
MXM Module
IGP
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
MXM-A (3.0)
PCIe 4.0 x4
Other
Production
End-of-life
Active
Predecessor
London
Polaris Mobile
Successor
Gem System
—