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 R7 240
CORE STATE
Oland
VRAM
2 GB
CLOCK SPEED
780 MHz
TDP
30 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2013
PERFORMANCE BENCHMARKS
geekbench_vulkan
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
R6 M255DX
R7 240
Core Specs
Shading Units
320
320
0.0%
Shaders
320
320
0.0%
TMUs
20
20
0.0%
ROPs
8
8
0.0%
Compute Units
5
5
0.0%
Clocks
Base Clock
780 MHz
730 MHz
Boost Clock
855 MHz
780 MHz
Memory Clock
System Shared
900 MHz
1800 Mbps effective
Memory
Memory Size
System Shared
2 GB
VRAM (MB)
—
2,048
Memory Type
System Shared
DDR3
Memory Bus
System Shared
128 bit
Bandwidth
System Dependent
28.80 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
128 KB
256 KB
Performance
Pixel Rate
6.840 GPixel/s
6.240 GPixel/s
Texture Rate
17.10 GTexel/s
15.60 GTexel/s
FP32 (TFLOPS)
547.2 GFLOPS
499.2 GFLOPS
FP64 (TFLOPS)
34.20 GFLOPS (1:16)
—
Power
TDP
—
30 W
TDP (W)
—
30
Suggested PSU
—
200 W
Power Connectors
—
None
Architecture
Architecture
GCN 1.0
GCN 1.0
GPU Name
Jet
Oland
Generation
Gem System Hybrid
(Rx M200)
Volcanic Islands
(R7 200)
Process Size
28 nm
28 nm
Transistors
690 million
950 million
Die Size
56 mm²
77 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
12.3M / 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
Single-slot
Length
—
168 mm
6.6 inches
Height
—
69 mm
2.7 inches
Outputs
Portable Device Dependent
1x DVI1x HDMI 1.4a1x VGA
Bus Interface
IGP
PCIe 3.0 x8
Other
Launch Price
—
69 USD
Production
End-of-life
End-of-life
Predecessor
—
Sea Islands
Successor
—
Pirate Islands