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 460
CORE STATE
Baffin
VRAM
2 GB
CLOCK SPEED
1200 MHz
TDP
75 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2016
PERFORMANCE BENCHMARKS
geekbench_vulkan
geekbench_metal
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
R6 M255DX
RX 460
Core Specs
Shading Units
320
896
+180.0%
Shaders
320
896
+180.0%
TMUs
20
56
+180.0%
ROPs
8
16
+100.0%
Compute Units
5
14
+180.0%
Clocks
Base Clock
780 MHz
1090 MHz
Boost Clock
855 MHz
1200 MHz
Memory Clock
System Shared
1750 MHz
7 Gbps effective
Memory
Memory Size
System Shared
2 GB
VRAM (MB)
—
2,048
Memory Type
System Shared
GDDR5
Memory Bus
System Shared
128 bit
Bandwidth
System Dependent
112.0 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
19.20 GPixel/s
Texture Rate
17.10 GTexel/s
67.20 GTexel/s
FP32 (TFLOPS)
547.2 GFLOPS
2.150 TFLOPS
FP64 (TFLOPS)
34.20 GFLOPS (1:16)
134.4 GFLOPS (1:16)
FP16 (TFLOPS)
—
2.150 TFLOPS (1:1)
Power
TDP
—
75 W
TDP (W)
—
75
Suggested PSU
—
250 W
Power Connectors
—
None
Architecture
Architecture
GCN 1.0
GCN 4.0
GPU Name
Jet
Baffin
Generation
Gem System Hybrid
(Rx M200)
Arctic Islands
(RX 400)
Process Size
28 nm
14 nm
Transistors
690 million
3,000 million
Die Size
56 mm²
123 mm²
Foundry
TSMC
GlobalFoundries
Density
12.3M / mm²
24.4M / 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
—
170 mm
6.7 inches
Outputs
Portable Device Dependent
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
Bus Interface
IGP
PCIe 3.0 x8
Other
Production
End-of-life
End-of-life
Predecessor
—
Pirate Islands
Successor
—
Polaris