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
GPU
Arc A370M
CORE STATE
DG2-128
VRAM
4 GB
CLOCK SPEED
2050 MHz
TDP
35 W
BUS WIDTH
64 bit
ARCHITECTURE
Xe-HPG
PROCESS
6 nm
LAUNCH DATE
2022
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
R5 M255
A370M
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
—
Execution Units
—
128
Clocks
Base Clock
925 MHz
1550 MHz
Boost Clock
940 MHz
2050 MHz
Memory Clock
1000 MHz
2 Gbps effective
1750 MHz
14 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
112.0 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
256 KB
4 MB
Performance
Pixel Rate
7.520 GPixel/s
65.60 GPixel/s
Texture Rate
22.56 GTexel/s
131.2 GTexel/s
FP32 (TFLOPS)
721.9 GFLOPS
4.198 TFLOPS
FP64 (TFLOPS)
45.12 GFLOPS (1:16)
1,049.6 GFLOPS (1:4)
FP16 (TFLOPS)
721.9 GFLOPS (1:1)
8.397 TFLOPS (2:1)
AI/RT
RT Cores
—
8
XMX Cores
—
128
Power
TDP
—
35 W
TDP (W)
—
35
Architecture
Architecture
GCN 3.0
Xe-HPG
GPU Name
Topaz
DG2-128
Generation
Gem System
(R5 M200)
Alchemist
(Arc 3 Mobile)
Process Size
28 nm
6 nm
Transistors
1,550 million
7,200 million
Die Size
125 mm²
157 mm²
Foundry
TSMC
TSMC
Density
12.4M / mm²
45.9M / 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
3.0
Shader Model
6.5
6.6
Physical
Slot Width
—
IGP
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
—
Successor
Polaris Mobile
—