GPU Comparison
RADEON
AMD Radeon HD 8870M
CORE STATE
Venus
VRAM
2 GB
CLOCK SPEED
775 MHz
TDP
—
BUS WIDTH
128 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2013
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
HD 8870M
R7 M340
Core Specs
Shading Units
640
320
-50.0%
Shaders
640
320
-50.0%
TMUs
40
20
-50.0%
ROPs
16
8
-50.0%
Compute Units
10
5
-50.0%
Clocks
Base Clock
725 MHz
943 MHz
Boost Clock
775 MHz
1021 MHz
Memory Clock
1125 MHz
4.5 Gbps effective
1000 MHz
2 Gbps effective
Memory
Memory Size
2 GB
2 GB
VRAM (MB)
2,048
2,048
0.0%
Memory Type
GDDR5
DDR3
Memory Bus
128 bit
64 bit
Bandwidth
72.00 GB/s
16.00 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
256 KB
128 KB
Performance
Pixel Rate
12.40 GPixel/s
8.168 GPixel/s
Texture Rate
31.00 GTexel/s
20.42 GTexel/s
FP32 (TFLOPS)
992.0 GFLOPS
653.4 GFLOPS
FP64 (TFLOPS)
62.00 GFLOPS (1:16)
40.84 GFLOPS (1:16)
FP16 (TFLOPS)
—
653.4 GFLOPS (1:1)
Architecture
Architecture
GCN 1.0
GCN 3.0
GPU Name
Venus
Meso
Generation
Solar System
(HD 8800M)
Gem System
(R7 M300)
Process Size
28 nm
28 nm
Transistors
1,500 million
1,550 million
Die Size
123 mm²
125 mm²
Foundry
TSMC
TSMC
Density
12.2M / mm²
12.4M / mm²
API Support
DirectX
12 (11_1)
12 (12_0)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.2.170
OpenCL
2.1 (1.2)
2.1
Shader Model
6.5 (5.1)
6.5
Physical
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x8
Other
Production
End-of-life
End-of-life
Predecessor
London
Solar System
Successor
Gem System
Polaris Mobile