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 RX 560X
CORE STATE
Polaris 21
VRAM
4 GB
CLOCK SPEED
1275 MHz
TDP
75 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2018
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
R7 M340
RX 560X
Core Specs
Shading Units
320
1,024
+220.0%
Shaders
320
1,024
+220.0%
TMUs
20
64
+220.0%
ROPs
8
16
+100.0%
Compute Units
5
16
+220.0%
Clocks
Base Clock
943 MHz
1175 MHz
Boost Clock
1021 MHz
1275 MHz
Memory Clock
1000 MHz
2 Gbps effective
1750 MHz
7 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
128 bit
Bandwidth
16.00 GB/s
112.0 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
128 KB
1024 KB
Performance
Pixel Rate
8.168 GPixel/s
20.40 GPixel/s
Texture Rate
20.42 GTexel/s
81.60 GTexel/s
FP32 (TFLOPS)
653.4 GFLOPS
2.611 TFLOPS
FP64 (TFLOPS)
40.84 GFLOPS (1:16)
163.2 GFLOPS (1:16)
FP16 (TFLOPS)
653.4 GFLOPS (1:1)
2.611 TFLOPS (1:1)
Power
TDP
—
75 W
TDP (W)
—
75
Suggested PSU
—
250 W
Power Connectors
—
None
Architecture
Architecture
GCN 3.0
GCN 4.0
GPU Name
Meso
Polaris 21
Generation
Gem System
(R7 M300)
Polaris
(RX 500X)
Process Size
28 nm
14 nm
Transistors
1,550 million
3,000 million
Die Size
125 mm²
123 mm²
Foundry
TSMC
GlobalFoundries
Density
12.4M / mm²
24.4M / mm²
API Support
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.3
OpenCL
2.1
2.1
Shader Model
6.5
6.7
Physical
Slot Width
—
Dual-slot
Length
—
170 mm
6.7 inches
Outputs
—
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x8
Other
Production
End-of-life
End-of-life
Predecessor
Solar System
Polaris
Successor
Polaris Mobile
Vega