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 Vega 8
CORE STATE
Raven
VRAM
System Shared
CLOCK SPEED
1100 MHz
TDP
25 W
BUS WIDTH
System Shared
ARCHITECTURE
GCN 5.0
PROCESS
14 nm
LAUNCH DATE
2018
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_metal
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
R5 M255
Vega 8
Core Specs
Shading Units
384
512
+33.3%
Shaders
384
512
+33.3%
TMUs
24
32
+33.3%
ROPs
8
8
0.0%
Compute Units
6
8
+33.3%
Clocks
Base Clock
925 MHz
300 MHz
Boost Clock
940 MHz
1100 MHz
Memory Clock
1000 MHz
2 Gbps effective
System Shared
Memory
Memory Size
2 GB
System Shared
VRAM (MB)
2,048
—
Memory Type
DDR3
System Shared
Memory Bus
128 bit
System Shared
Bandwidth
32.00 GB/s
System Dependent
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
256 KB
—
Performance
Pixel Rate
7.520 GPixel/s
8.800 GPixel/s
Texture Rate
22.56 GTexel/s
35.20 GTexel/s
FP32 (TFLOPS)
721.9 GFLOPS
1,126.4 GFLOPS
FP64 (TFLOPS)
45.12 GFLOPS (1:16)
70.40 GFLOPS (1:16)
FP16 (TFLOPS)
721.9 GFLOPS (1:1)
2.253 TFLOPS (2:1)
Power
TDP
—
25 W
TDP (W)
—
25
Power Connectors
—
None
Architecture
Architecture
GCN 3.0
GCN 5.0
GPU Name
Topaz
Raven
Generation
Gem System
(R5 M200)
Vega IGP
(Raven Ridge)
Process Size
28 nm
14 nm
Transistors
1,550 million
4,940 million
Die Size
125 mm²
210 mm²
Foundry
TSMC
GlobalFoundries
Density
12.4M / mm²
23.5M / mm²
API Support
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.3
OpenCL
2.1
2.1
Shader Model
6.5
6.7
Physical
Slot Width
—
IGP
Outputs
—
Motherboard Dependent
Bus Interface
PCIe 3.0 x8
IGP
Other
Production
End-of-life
End-of-life
Predecessor
Solar System
GCN 3.0 IGP
Successor
Polaris Mobile
Vega II IGP