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 5300M
CORE STATE
Navi 14
VRAM
3 GB
CLOCK SPEED
1445 MHz
TDP
85 W
BUS WIDTH
96 bit
ARCHITECTURE
RDNA 1.0
PROCESS
7 nm
LAUNCH DATE
2019
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
R5 M255
RX 5300M
Core Specs
Shading Units
384
1,408
+266.7%
Shaders
384
1,408
+266.7%
TMUs
24
88
+266.7%
ROPs
8
32
+300.0%
Compute Units
6
22
+266.7%
Clocks
Base Clock
925 MHz
1000 MHz
Boost Clock
940 MHz
1445 MHz
Game Clock
—
1181 MHz
Memory Clock
1000 MHz
2 Gbps effective
1750 MHz
14 Gbps effective
Memory
Memory Size
2 GB
3 GB
VRAM (MB)
2,048
3,072
+50.0%
Memory Type
DDR3
GDDR6
Memory Bus
128 bit
96 bit
Bandwidth
32.00 GB/s
168.0 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
256 KB
2 MB
Performance
Pixel Rate
7.520 GPixel/s
46.24 GPixel/s
Texture Rate
22.56 GTexel/s
127.2 GTexel/s
FP32 (TFLOPS)
721.9 GFLOPS
4.069 TFLOPS
FP64 (TFLOPS)
45.12 GFLOPS (1:16)
254.3 GFLOPS (1:16)
FP16 (TFLOPS)
721.9 GFLOPS (1:1)
8.138 TFLOPS (2:1)
Power
TDP
—
85 W
TDP (W)
—
85
Power Connectors
—
None
Architecture
Architecture
GCN 3.0
RDNA 1.0
GPU Name
Topaz
Navi 14
Generation
Gem System
(R5 M200)
Navi Mobile
(RX 5000M)
Process Size
28 nm
7 nm
Transistors
1,550 million
6,400 million
Die Size
125 mm²
158 mm²
Foundry
TSMC
TSMC
Density
12.4M / mm²
40.5M / mm²
API Support
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1
2.1
Shader Model
6.5
6.8
Physical
Outputs
—
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
PCIe 4.0 x8
Other
Production
End-of-life
End-of-life
Predecessor
Solar System
Polaris Mobile
Successor
Polaris Mobile
—