GPU Comparison
RADEON
AMD Radeon Pro 555
CORE STATE
Polaris 21
VRAM
2 GB
CLOCK SPEED
—
TDP
75 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2017
VS
GEFORCE
GeForce GTX 850M
CORE STATE
GM107
VRAM
2 GB
CLOCK SPEED
—
TDP
45 W
BUS WIDTH
128 bit
ARCHITECTURE
Maxwell
PROCESS
28 nm
LAUNCH DATE
2014
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Pro 555
GTX 850M
Core Specs
Shading Units
768
640
-16.7%
Shaders
768
640
-16.7%
TMUs
48
40
-16.7%
ROPs
16
16
0.0%
Compute Units
12
—
Clocks
GPU Clock
850 MHz
902 MHz
Memory Clock
1275 MHz
5.1 Gbps effective
1001 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
128 bit
Bandwidth
81.60 GB/s
32.03 GB/s
Cache
L1 Cache
16 KB (per CU)
64 KB (per SMM)
L2 Cache
1024 KB
2 MB
Performance
Pixel Rate
13.60 GPixel/s
14.43 GPixel/s
Texture Rate
40.80 GTexel/s
36.08 GTexel/s
FP32 (TFLOPS)
1,305.6 GFLOPS
1,154.6 GFLOPS
FP64 (TFLOPS)
81.60 GFLOPS (1:16)
36.08 GFLOPS (1:32)
FP16 (TFLOPS)
1,305.6 GFLOPS (1:1)
—
Power
TDP
75 W
45 W
TDP (W)
75
45
-40.0%
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
Maxwell
GPU Name
Polaris 21
GM107
Generation
Radeon Pro Mac
(500 Series)
GeForce 800M
Process Size
14 nm
28 nm
Transistors
3,000 million
1,870 million
Die Size
123 mm²
148 mm²
Foundry
GlobalFoundries
TSMC
Density
24.4M / mm²
12.6M / mm²
API Support
DirectX
12 (12_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.3
1.4
OpenCL
2.1
3.0
CUDA
—
5.0
Shader Model
6.7
6.7 (5.1)
Physical
Slot Width
IGP
IGP
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
—
GeForce 700M
Successor
—
GeForce 900M