GPU Comparison
RADEON
AMD Radeon R5 M320
CORE STATE
Jet
VRAM
4 GB
CLOCK SPEED
855 MHz
TDP
—
BUS WIDTH
64 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2015
VS
RADEON
Radeon R6 M255DX
CORE STATE
Jet
VRAM
System Shared
CLOCK SPEED
855 MHz
TDP
—
BUS WIDTH
System Shared
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2014
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
R5 M320
R6 M255DX
Core Specs
Shading Units
320
320
0.0%
Shaders
320
320
0.0%
TMUs
20
20
0.0%
ROPs
8
8
0.0%
Compute Units
5
5
0.0%
Clocks
Base Clock
780 MHz
780 MHz
Boost Clock
855 MHz
855 MHz
Memory Clock
1000 MHz
2 Gbps effective
System Shared
Memory
Memory Size
4 GB
System Shared
VRAM (MB)
4,096
—
Memory Type
DDR3
System Shared
Memory Bus
64 bit
System Shared
Bandwidth
16.00 GB/s
System Dependent
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
128 KB
128 KB
Performance
Pixel Rate
6.840 GPixel/s
6.840 GPixel/s
Texture Rate
17.10 GTexel/s
17.10 GTexel/s
FP32 (TFLOPS)
547.2 GFLOPS
547.2 GFLOPS
FP64 (TFLOPS)
34.20 GFLOPS (1:16)
34.20 GFLOPS (1:16)
Architecture
Architecture
GCN 1.0
GCN 1.0
GPU Name
Jet
Jet
Generation
Gem System
(R5 M300)
Gem System Hybrid
(Rx M200)
Process Size
28 nm
28 nm
Transistors
690 million
690 million
Die Size
56 mm²
56 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
12.3M / mm²
API Support
DirectX
12 (11_1)
12 (11_1)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.2.170
OpenCL
2.1 (1.2)
2.1 (1.2)
Shader Model
6.5 (5.1)
6.5 (5.1)
Physical
Slot Width
IGP
IGP
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
IGP
Other
Production
End-of-life
End-of-life
Predecessor
Solar System
—
Successor
Polaris Mobile
—