GPU Comparison
RADEON
AMD Radeon R7 M340
CORE STATE
Meso
VRAM
2 GB
CLOCK SPEED
1021 MHz
TDP
—
BUS WIDTH
64 bit
ARCHITECTURE
GCN 3.0
PROCESS
28 nm
LAUNCH DATE
2015
VS
RADEON
Radeon R7 M445
CORE STATE
Meso
VRAM
4 GB
CLOCK SPEED
920 MHz
TDP
—
BUS WIDTH
64 bit
ARCHITECTURE
GCN 3.0
PROCESS
28 nm
LAUNCH DATE
2016
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
R7 M340
R7 M445
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
943 MHz
780 MHz
Boost Clock
1021 MHz
920 MHz
Memory Clock
1000 MHz
2 Gbps effective
1000 MHz
4 Gbps effective
Memory
Memory Size
2 GB
4 GB
VRAM (MB)
2,048
4,096
+100.0%
Memory Type
DDR3
GDDR5
Memory Bus
64 bit
64 bit
Bandwidth
16.00 GB/s
32.00 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
128 KB
128 KB
Performance
Pixel Rate
8.168 GPixel/s
7.360 GPixel/s
Texture Rate
20.42 GTexel/s
18.40 GTexel/s
FP32 (TFLOPS)
653.4 GFLOPS
588.8 GFLOPS
FP64 (TFLOPS)
40.84 GFLOPS (1:16)
36.80 GFLOPS (1:16)
FP16 (TFLOPS)
653.4 GFLOPS (1:1)
588.8 GFLOPS (1:1)
Architecture
Architecture
GCN 3.0
GCN 3.0
GPU Name
Meso
Meso
Generation
Gem System
(R7 M300)
Gem System
(R7 M400)
Process Size
28 nm
28 nm
Transistors
1,550 million
1,550 million
Die Size
125 mm²
125 mm²
Foundry
TSMC
TSMC
Density
12.4M / mm²
12.4M / mm²
API Support
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.2.170
OpenCL
2.1
2.1
Shader Model
6.5
6.5
Physical
Slot Width
—
IGP
Outputs
—
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x8
Other
Production
End-of-life
End-of-life
Predecessor
Solar System
Solar System
Successor
Polaris Mobile
Polaris Mobile