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 Vega 8
CORE STATE
Raven
VRAM
System Shared
CLOCK SPEED
1100 MHz
TDP
25 W
BUS WIDTH
System Shared
ARCHITECTURE
GCN 5.0
PROCESS
14 nm
LAUNCH DATE
2018
PERFORMANCE BENCHMARKS
geekbench_vulkan
geekbench_metal
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
R6 M255DX
Vega 8
Core Specs
Shading Units
320
512
+60.0%
Shaders
320
512
+60.0%
TMUs
20
32
+60.0%
ROPs
8
8
0.0%
Compute Units
5
8
+60.0%
Clocks
Base Clock
780 MHz
300 MHz
Boost Clock
855 MHz
1100 MHz
Memory Clock
System Shared
System Shared
Memory
Memory Size
System Shared
System Shared
Memory Type
System Shared
System Shared
Memory Bus
System Shared
System Shared
Bandwidth
System Dependent
System Dependent
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
128 KB
—
Performance
Pixel Rate
6.840 GPixel/s
8.800 GPixel/s
Texture Rate
17.10 GTexel/s
35.20 GTexel/s
FP32 (TFLOPS)
547.2 GFLOPS
1,126.4 GFLOPS
FP64 (TFLOPS)
34.20 GFLOPS (1:16)
70.40 GFLOPS (1:16)
FP16 (TFLOPS)
—
2.253 TFLOPS (2:1)
Power
TDP
—
25 W
TDP (W)
—
25
Power Connectors
—
None
Architecture
Architecture
GCN 1.0
GCN 5.0
GPU Name
Jet
Raven
Generation
Gem System Hybrid
(Rx M200)
Vega IGP
(Raven Ridge)
Process Size
28 nm
14 nm
Transistors
690 million
4,940 million
Die Size
56 mm²
210 mm²
Foundry
TSMC
GlobalFoundries
Density
12.3M / mm²
23.5M / mm²
API Support
DirectX
12 (11_1)
12 (12_1)
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
Motherboard Dependent
Bus Interface
IGP
IGP
Other
Production
End-of-life
End-of-life
Predecessor
—
GCN 3.0 IGP
Successor
—
Vega II IGP