GPU Comparison
RADEON
AMD 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
VS
RADEON
Radeon R7 M260X
CORE STATE
Opal
VRAM
1024 MB
CLOCK SPEED
715 MHz
TDP
—
BUS WIDTH
128 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_vulkan
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
R6 M255DX
R7 M260X
Core Specs
Shading Units
320
384
+20.0%
Shaders
320
384
+20.0%
TMUs
20
24
+20.0%
ROPs
8
8
0.0%
Compute Units
5
6
+20.0%
Clocks
Base Clock
780 MHz
620 MHz
Boost Clock
855 MHz
715 MHz
Memory Clock
System Shared
1000 MHz
4 Gbps effective
Memory
Memory Size
System Shared
1024 MB
VRAM (MB)
—
1,024
Memory Type
System Shared
GDDR5
Memory Bus
System Shared
128 bit
Bandwidth
System Dependent
64.00 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
128 KB
256 KB
Performance
Pixel Rate
6.840 GPixel/s
5.720 GPixel/s
Texture Rate
17.10 GTexel/s
17.16 GTexel/s
FP32 (TFLOPS)
547.2 GFLOPS
549.1 GFLOPS
FP64 (TFLOPS)
34.20 GFLOPS (1:16)
—
Power
Power Connectors
—
None
Architecture
Architecture
GCN 1.0
GCN 1.0
GPU Name
Jet
Opal
Generation
Gem System Hybrid
(Rx M200)
Gem System
(R7 M200)
Process Size
28 nm
28 nm
Transistors
690 million
950 million
Die Size
56 mm²
77 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
—
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
IGP
PCIe 3.0 x8
Other
Production
End-of-life
End-of-life
Predecessor
—
Solar System
Successor
—
Polaris Mobile