GPU Comparison
RADEON
AMD Radeon R8 M445DX
CORE STATE
Meso
VRAM
System Shared
CLOCK SPEED
1021 MHz
TDP
—
BUS WIDTH
System Shared
ARCHITECTURE
GCN 3.0
PROCESS
28 nm
LAUNCH DATE
2016
VS
GEFORCE
GeForce GTX 880M
CORE STATE
GK104
VRAM
8 GB
CLOCK SPEED
993 MHz
TDP
122 W
BUS WIDTH
256 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2014
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_metal
DETAILED SPECIFICATIONS
SPECIFICATION
R8 M445DX
GTX 880M
Core Specs
Shading Units
320
1,536
+380.0%
Shaders
320
1,536
+380.0%
TMUs
20
128
+540.0%
ROPs
8
32
+300.0%
Compute Units
5
—
Clocks
Base Clock
780 MHz
954 MHz
Boost Clock
1021 MHz
993 MHz
Memory Clock
System Shared
1250 MHz
5 Gbps effective
Memory
Memory Size
System Shared
8 GB
VRAM (MB)
—
8,192
Memory Type
System Shared
GDDR5
Memory Bus
System Shared
256 bit
Bandwidth
System Dependent
160.0 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
128 KB
512 KB
Performance
Pixel Rate
8.168 GPixel/s
31.78 GPixel/s
Texture Rate
20.42 GTexel/s
127.1 GTexel/s
FP32 (TFLOPS)
653.4 GFLOPS
3.050 TFLOPS
FP64 (TFLOPS)
40.84 GFLOPS (1:16)
127.1 GFLOPS (1:24)
FP16 (TFLOPS)
653.4 GFLOPS (1:1)
—
Power
TDP
—
122 W
TDP (W)
—
122
Power Connectors
—
None
Architecture
Architecture
GCN 3.0
Kepler
GPU Name
Meso
GK104
Generation
Gem System Hybrid
(Rx 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
IGP
MXM-B (3.0)
Other
Production
End-of-life
End-of-life
Predecessor
—
GeForce 700M
Successor
—
GeForce 900M