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 RX Vega M GL
CORE STATE
Polaris 22
VRAM
4 GB
CLOCK SPEED
1011 MHz
TDP
65 W
BUS WIDTH
1024 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2018
PERFORMANCE BENCHMARKS
geekbench_vulkan
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
R6 M255DX
RX Vega M GL
Core Specs
Shading Units
320
1,280
+300.0%
Shaders
320
1,280
+300.0%
TMUs
20
80
+300.0%
ROPs
8
32
+300.0%
Compute Units
5
20
+300.0%
Clocks
Base Clock
780 MHz
931 MHz
Boost Clock
855 MHz
1011 MHz
Memory Clock
System Shared
700 MHz
1400 Mbps effective
Memory
Memory Size
System Shared
4 GB
VRAM (MB)
—
4,096
Memory Type
System Shared
HBM2
Memory Bus
System Shared
1024 bit
Bandwidth
System Dependent
179.2 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
128 KB
1024 KB
Performance
Pixel Rate
6.840 GPixel/s
32.35 GPixel/s
Texture Rate
17.10 GTexel/s
80.88 GTexel/s
FP32 (TFLOPS)
547.2 GFLOPS
2.588 TFLOPS
FP64 (TFLOPS)
34.20 GFLOPS (1:16)
161.8 GFLOPS (1:16)
FP16 (TFLOPS)
—
2.588 TFLOPS (1:1)
Power
TDP
—
65 W
TDP (W)
—
65
Architecture
Architecture
GCN 1.0
GCN 4.0
GPU Name
Jet
Polaris 22
Generation
Gem System Hybrid
(Rx M200)
Vega
(Vega M)
Process Size
28 nm
14 nm
Transistors
690 million
5,000 million
Die Size
56 mm²
208 mm²
Foundry
TSMC
GlobalFoundries
Density
12.3M / mm²
24.0M / mm²
API Support
DirectX
12 (11_1)
12 (12_0)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.3
OpenCL
2.1 (1.2)
2.1
Shader Model
6.5 (5.1)
6.7
Physical
Slot Width
IGP
IGP
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
IGP
IGP
Other
Production
End-of-life
End-of-life