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
GEFORCE
GeForce 940M
CORE STATE
GM107
VRAM
2 GB
CLOCK SPEED
1098 MHz
TDP
75 W
BUS WIDTH
64 bit
ARCHITECTURE
Maxwell
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_vulkan
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
R6 M255DX
940M
Core Specs
Shading Units
320
512
+60.0%
Shaders
320
512
+60.0%
TMUs
20
32
+60.0%
ROPs
8
16
+100.0%
Compute Units
5
—
Clocks
Base Clock
780 MHz
1020 MHz
Boost Clock
855 MHz
1098 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
64 bit
Bandwidth
System Dependent
14.40 GB/s
Cache
L1 Cache
16 KB (per CU)
64 KB (per SMM)
L2 Cache
128 KB
2 MB
Performance
Pixel Rate
6.840 GPixel/s
17.57 GPixel/s
Texture Rate
17.10 GTexel/s
35.14 GTexel/s
FP32 (TFLOPS)
547.2 GFLOPS
1,124.4 GFLOPS
FP64 (TFLOPS)
34.20 GFLOPS (1:16)
35.14 GFLOPS (1:32)
Power
TDP
—
75 W
TDP (W)
—
75
Power Connectors
—
None
Architecture
Architecture
GCN 1.0
Maxwell
GPU Name
Jet
GM107
Generation
Gem System Hybrid
(Rx M200)
GeForce 900M
Process Size
28 nm
28 nm
Transistors
690 million
1,870 million
Die Size
56 mm²
148 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
12.6M / mm²
API Support
DirectX
12 (11_1)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1 (1.2)
3.0
CUDA
—
5.0
Shader Model
6.5 (5.1)
6.7 (5.1)
Physical
Slot Width
IGP
MXM Module
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
IGP
MXM-B (3.0)
Other
Production
End-of-life
End-of-life
Predecessor
—
GeForce 800M
Successor
—
GeForce 10 Mobile