GPU Comparison
RADEON
AMD Radeon R5 M255
CORE STATE
Topaz
VRAM
2 GB
CLOCK SPEED
940 MHz
TDP
—
BUS WIDTH
128 bit
ARCHITECTURE
GCN 3.0
PROCESS
28 nm
LAUNCH DATE
2014
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
R5 M255
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
925 MHz
2000 MHz
Boost Clock
940 MHz
2840 MHz
Game Clock
—
2560 MHz
Memory Clock
1000 MHz
2 Gbps effective
2250 MHz
18 Gbps effective
Memory
Memory Size
2 GB
4 GB
VRAM (MB)
2,048
4,096
+100.0%
Memory Type
DDR3
GDDR6
Memory Bus
128 bit
64 bit
Bandwidth
32.00 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
7.520 GPixel/s
90.88 GPixel/s
Texture Rate
22.56 GTexel/s
181.8 GTexel/s
FP32 (TFLOPS)
721.9 GFLOPS
5.816 TFLOPS
FP64 (TFLOPS)
45.12 GFLOPS (1:16)
363.5 GFLOPS (1:16)
FP16 (TFLOPS)
721.9 GFLOPS (1:1)
11.63 TFLOPS (2:1)
AI/RT
RT Cores
—
16
Power
TDP
—
80 W
TDP (W)
—
80
Power Connectors
—
None
Architecture
Architecture
GCN 3.0
RDNA 2.0
GPU Name
Topaz
Navi 24
Generation
Gem System
(R5 M200)
Navi Mobile
(RX 6000M)
Process Size
28 nm
6 nm
Transistors
1,550 million
5,400 million
Die Size
125 mm²
107 mm²
Foundry
TSMC
TSMC
Density
12.4M / mm²
50.5M / mm²
API Support
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1
2.2
Shader Model
6.5
6.8
Physical
Slot Width
—
IGP
Outputs
—
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
PCIe 4.0 x4
Other
Production
End-of-life
Active
Predecessor
Solar System
Polaris Mobile
Successor
Polaris Mobile
—