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 R9 370X
CORE STATE
Trinidad
VRAM
2 GB
CLOCK SPEED
1030 MHz
TDP
180 W
BUS WIDTH
256 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_vulkan
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
R6 M255DX
R9 370X
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
24
+380.0%
Clocks
Base Clock
780 MHz
980 MHz
Boost Clock
855 MHz
1030 MHz
Memory Clock
System Shared
1400 MHz
5.6 Gbps effective
Memory
Memory Size
System Shared
2 GB
VRAM (MB)
—
2,048
Memory Type
System Shared
GDDR5
Memory Bus
System Shared
256 bit
Bandwidth
System Dependent
179.2 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
128 KB
512 KB
Performance
Pixel Rate
6.840 GPixel/s
32.96 GPixel/s
Texture Rate
17.10 GTexel/s
82.40 GTexel/s
FP32 (TFLOPS)
547.2 GFLOPS
2.637 TFLOPS
FP64 (TFLOPS)
34.20 GFLOPS (1:16)
164.8 GFLOPS (1:16)
Power
TDP
—
180 W
TDP (W)
—
180
Suggested PSU
—
450 W
Power Connectors
—
2x 6-pin
Architecture
Architecture
GCN 1.0
GCN 1.0
GPU Name
Jet
Trinidad
Generation
Gem System Hybrid
(Rx M200)
Pirate Islands
(R9 300)
Process Size
28 nm
28 nm
Transistors
690 million
2,800 million
Die Size
56 mm²
212 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
13.2M / mm²
API Support
DirectX
12 (11_1)
12 (11_1)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.2.170
OpenCL
2.1 (1.2)
2.1 (1.2)
Shader Model
6.5 (5.1)
6.5 (5.1)
Physical
Slot Width
IGP
Dual-slot
Length
—
221 mm
8.7 inches
Height
—
111 mm
4.4 inches
Outputs
Portable Device Dependent
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Bus Interface
IGP
PCIe 3.0 x16
Other
Launch Price
—
199 USD
Production
End-of-life
End-of-life
Predecessor
—
Volcanic Islands
Successor
—
Arctic Islands