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 R7 M380
CORE STATE
Tropo
VRAM
4 GB
CLOCK SPEED
915 MHz
TDP
—
BUS WIDTH
128 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
R5 M255
R7 M380
Core Specs
Shading Units
384
640
+66.7%
Shaders
384
640
+66.7%
TMUs
24
40
+66.7%
ROPs
8
16
+100.0%
Compute Units
6
10
+66.7%
Clocks
Base Clock
925 MHz
900 MHz
Boost Clock
940 MHz
915 MHz
Memory Clock
1000 MHz
2 Gbps effective
1000 MHz
2 Gbps effective
Memory
Memory Size
2 GB
4 GB
VRAM (MB)
2,048
4,096
+100.0%
Memory Type
DDR3
DDR3
Memory Bus
128 bit
128 bit
Bandwidth
32.00 GB/s
32.00 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
256 KB
256 KB
Performance
Pixel Rate
7.520 GPixel/s
14.64 GPixel/s
Texture Rate
22.56 GTexel/s
36.60 GTexel/s
FP32 (TFLOPS)
721.9 GFLOPS
1,171.2 GFLOPS
FP64 (TFLOPS)
45.12 GFLOPS (1:16)
73.20 GFLOPS (1:16)
FP16 (TFLOPS)
721.9 GFLOPS (1:1)
—
Architecture
Architecture
GCN 3.0
GCN 1.0
GPU Name
Topaz
Tropo
Generation
Gem System
(R5 M200)
Gem System
(R7 M300)
Process Size
28 nm
28 nm
Transistors
1,550 million
1,500 million
Die Size
125 mm²
123 mm²
Foundry
TSMC
TSMC
Density
12.4M / mm²
12.2M / mm²
API Support
DirectX
12 (12_0)
12 (11_1)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.2.170
OpenCL
2.1
2.1 (1.2)
Shader Model
6.5
6.5 (5.1)
Physical
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Solar System
Solar System
Successor
Polaris Mobile
Polaris Mobile