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 VII
CORE STATE
Vega 20
VRAM
16 GB
CLOCK SPEED
1750 MHz
TDP
295 W
BUS WIDTH
4096 bit
ARCHITECTURE
GCN 5.1
PROCESS
7 nm
LAUNCH DATE
2019
PERFORMANCE BENCHMARKS
geekbench_vulkan
3dmark_3dmark_steel_nomad_dx12
geekbench_metal
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
R6 M255DX
VII
Core Specs
Shading Units
320
3,840
+1100.0%
Shaders
320
3,840
+1100.0%
TMUs
20
240
+1100.0%
ROPs
8
64
+700.0%
Compute Units
5
60
+1100.0%
Clocks
Base Clock
780 MHz
1400 MHz
Boost Clock
855 MHz
1750 MHz
Memory Clock
System Shared
1000 MHz
2 Gbps effective
Memory
Memory Size
System Shared
16 GB
VRAM (MB)
—
16,384
Memory Type
System Shared
HBM2
Memory Bus
System Shared
4096 bit
Bandwidth
System Dependent
1.02 TB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
128 KB
4 MB
Performance
Pixel Rate
6.840 GPixel/s
112.0 GPixel/s
Texture Rate
17.10 GTexel/s
420.0 GTexel/s
FP32 (TFLOPS)
547.2 GFLOPS
13.44 TFLOPS
FP64 (TFLOPS)
34.20 GFLOPS (1:16)
3.360 TFLOPS (1:4)
FP16 (TFLOPS)
—
26.88 TFLOPS (2:1)
Power
TDP
—
295 W
TDP (W)
—
295
Suggested PSU
—
600 W
Power Connectors
—
2x 8-pin
Architecture
Architecture
GCN 1.0
GCN 5.1
GPU Name
Jet
Vega 20
Generation
Gem System Hybrid
(Rx M200)
Vega II
(Radeon VII)
Process Size
28 nm
7 nm
Transistors
690 million
13,230 million
Die Size
56 mm²
331 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
40.0M / 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
Dual-slot
Length
—
280 mm
11 inches
Height
—
125 mm
4.9 inches
Outputs
Portable Device Dependent
1x HDMI 2.0b3x DisplayPort 1.4a
Bus Interface
IGP
PCIe 3.0 x16
Other
Launch Price
—
699 USD
Production
End-of-life
End-of-life
Predecessor
—
Vega
Successor
—
Navi