GPU Comparison
RADEON
AMD Radeon R7 Graphics
CORE STATE
Spectre Lite
VRAM
System Shared
CLOCK SPEED
—
TDP
25 W
BUS WIDTH
System Shared
ARCHITECTURE
GCN 2.0
PROCESS
28 nm
LAUNCH DATE
2014
VS
RADEON
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
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
R7 Graphics
R7 M340
Core Specs
Shading Units
384
320
-16.7%
Shaders
384
320
-16.7%
TMUs
24
20
-16.7%
ROPs
8
8
0.0%
Compute Units
6
5
-16.7%
Clocks
Base Clock
—
943 MHz
Boost Clock
—
1021 MHz
GPU Clock
720 MHz
—
Memory Clock
System Shared
1000 MHz
2 Gbps 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
16.00 GB/s
Cache
L1 Cache
—
16 KB (per CU)
L2 Cache
—
128 KB
Performance
Pixel Rate
5.760 GPixel/s
8.168 GPixel/s
Texture Rate
17.28 GTexel/s
20.42 GTexel/s
FP32 (TFLOPS)
553.0 GFLOPS
653.4 GFLOPS
FP64 (TFLOPS)
34.56 GFLOPS (1:16)
40.84 GFLOPS (1:16)
FP16 (TFLOPS)
—
653.4 GFLOPS (1:1)
Power
TDP
25 W
—
TDP (W)
25
—
Architecture
Architecture
GCN 2.0
GCN 3.0
GPU Name
Spectre Lite
Meso
Generation
GCN 2.0 IGP
(Kaveri)
Gem System
(R7 M300)
Process Size
28 nm
28 nm
Transistors
2,410 million
1,550 million
Die Size
245 mm²
125 mm²
Foundry
GlobalFoundries
TSMC
Density
9.8M / 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
Motherboard Dependent
—
Bus Interface
IGP
PCIe 3.0 x8
Other
Production
End-of-life
End-of-life
Predecessor
TeraScale 3 IGP
Solar System
Successor
GCN 3.0 IGP
Polaris Mobile