GPU Comparison
RADEON
AMD 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
VS
GEFORCE
GeForce GTX 870M
CORE STATE
GK104
VRAM
3 GB
CLOCK SPEED
967 MHz
TDP
100 W
BUS WIDTH
192 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2014
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_metal
DETAILED SPECIFICATIONS
SPECIFICATION
R7 M445
GTX 870M
Core Specs
Shading Units
320
1,344
+320.0%
Shaders
320
1,344
+320.0%
TMUs
20
112
+460.0%
ROPs
8
24
+200.0%
Compute Units
5
—
Clocks
Base Clock
780 MHz
941 MHz
Boost Clock
920 MHz
967 MHz
Memory Clock
1000 MHz
4 Gbps effective
1250 MHz
5 Gbps effective
Memory
Memory Size
4 GB
3 GB
VRAM (MB)
4,096
3,072
-25.0%
Memory Type
GDDR5
GDDR5
Memory Bus
64 bit
192 bit
Bandwidth
32.00 GB/s
120.0 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
128 KB
384 KB
Performance
Pixel Rate
7.360 GPixel/s
27.08 GPixel/s
Texture Rate
18.40 GTexel/s
108.3 GTexel/s
FP32 (TFLOPS)
588.8 GFLOPS
2.599 TFLOPS
FP64 (TFLOPS)
36.80 GFLOPS (1:16)
108.3 GFLOPS (1:24)
FP16 (TFLOPS)
588.8 GFLOPS (1:1)
—
Power
TDP
—
100 W
TDP (W)
—
100
Power Connectors
—
None
Architecture
Architecture
GCN 3.0
Kepler
GPU Name
Meso
GK104
Generation
Gem System
(R7 M400)
GeForce 800M
Process Size
28 nm
28 nm
Transistors
1,550 million
3,540 million
Die Size
125 mm²
294 mm²
Foundry
TSMC
TSMC
Density
12.4M / mm²
12.0M / mm²
API Support
DirectX
12 (12_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.2.175
OpenCL
2.1
3.0
CUDA
—
3.0
Shader Model
6.5
6.5 (5.1)
Physical
Slot Width
IGP
MXM Module
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
MXM-B (3.0)
Other
Production
End-of-life
End-of-life
Predecessor
Solar System
GeForce 700M
Successor
Polaris Mobile
GeForce 900M