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 480
CORE STATE
Ellesmere
VRAM
8 GB
CLOCK SPEED
1266 MHz
TDP
150 W
BUS WIDTH
256 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2016
PERFORMANCE BENCHMARKS
geekbench_vulkan
3dmark_3dmark_steel_nomad_dx12
geekbench_metal
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
R6 M255DX
RX 480
Core Specs
Shading Units
320
2,304
+620.0%
Shaders
320
2,304
+620.0%
TMUs
20
144
+620.0%
ROPs
8
32
+300.0%
Compute Units
5
36
+620.0%
Clocks
Base Clock
780 MHz
1120 MHz
Boost Clock
855 MHz
1266 MHz
Memory Clock
System Shared
2000 MHz
8 Gbps effective
Memory
Memory Size
System Shared
8 GB
VRAM (MB)
—
8,192
Memory Type
System Shared
GDDR5
Memory Bus
System Shared
256 bit
Bandwidth
System Dependent
256.0 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
128 KB
2 MB
Performance
Pixel Rate
6.840 GPixel/s
40.51 GPixel/s
Texture Rate
17.10 GTexel/s
182.3 GTexel/s
FP32 (TFLOPS)
547.2 GFLOPS
5.834 TFLOPS
FP64 (TFLOPS)
34.20 GFLOPS (1:16)
364.6 GFLOPS (1:16)
FP16 (TFLOPS)
—
5.834 TFLOPS (1:1)
Power
TDP
—
150 W
TDP (W)
—
150
Suggested PSU
—
450 W
Power Connectors
—
1x 6-pin
Architecture
Architecture
GCN 1.0
GCN 4.0
GPU Name
Jet
Ellesmere
Generation
Gem System Hybrid
(Rx M200)
Arctic Islands
(RX 400)
Process Size
28 nm
14 nm
Transistors
690 million
5,700 million
Die Size
56 mm²
232 mm²
Foundry
TSMC
GlobalFoundries
Density
12.3M / mm²
24.6M / 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
Dual-slot
Length
—
240 mm
9.4 inches
Height
—
95 mm
3.7 inches
Outputs
Portable Device Dependent
1x HDMI 2.0b3x DisplayPort 1.4a
Bus Interface
IGP
PCIe 3.0 x16
Other
Launch Price
—
229 USD
Production
End-of-life
End-of-life
Predecessor
—
Pirate Islands
Successor
—
Polaris