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 R9 M295X
CORE STATE
Amethyst
VRAM
4 GB
CLOCK SPEED
—
TDP
250 W
BUS WIDTH
256 bit
ARCHITECTURE
GCN 3.0
PROCESS
28 nm
LAUNCH DATE
2014
PERFORMANCE BENCHMARKS
geekbench_vulkan
geekbench_metal
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
R6 M255DX
R9 M295X
Core Specs
Shading Units
320
2,048
+540.0%
Shaders
320
2,048
+540.0%
TMUs
20
128
+540.0%
ROPs
8
32
+300.0%
Compute Units
5
32
+540.0%
Clocks
Base Clock
780 MHz
—
Boost Clock
855 MHz
—
GPU Clock
—
723 MHz
Memory Clock
System Shared
1250 MHz
5 Gbps effective
Memory
Memory Size
System Shared
4 GB
VRAM (MB)
—
4,096
Memory Type
System Shared
GDDR5
Memory Bus
System Shared
256 bit
Bandwidth
System Dependent
160.0 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
128 KB
512 KB
Performance
Pixel Rate
6.840 GPixel/s
23.14 GPixel/s
Texture Rate
17.10 GTexel/s
92.54 GTexel/s
FP32 (TFLOPS)
547.2 GFLOPS
2.961 TFLOPS
FP64 (TFLOPS)
34.20 GFLOPS (1:16)
185.1 GFLOPS (1:16)
FP16 (TFLOPS)
—
2.961 TFLOPS (1:1)
Power
TDP
—
250 W
TDP (W)
—
250
Power Connectors
—
None
Architecture
Architecture
GCN 1.0
GCN 3.0
GPU Name
Jet
Amethyst
Generation
Gem System Hybrid
(Rx M200)
Gem System
(R9 M200)
Process Size
28 nm
28 nm
Transistors
690 million
5,000 million
Die Size
56 mm²
366 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
13.7M / mm²
API Support
DirectX
12 (11_1)
12 (12_0)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.2.170
OpenCL
2.1 (1.2)
2.1
Shader Model
6.5 (5.1)
6.5
Physical
Slot Width
IGP
MXM Module
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
IGP
MXM-B (3.0)
Other
Production
End-of-life
End-of-life
Predecessor
—
Solar System
Successor
—
Polaris Mobile