GPU Comparison
RADEON
AMD Radeon Pro 555X
CORE STATE
Polaris 21
VRAM
4 GB
CLOCK SPEED
—
TDP
75 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2018
VS
GEFORCE
GeForce GTX 965M
CORE STATE
GM204
VRAM
2 GB
CLOCK SPEED
950 MHz
TDP
—
BUS WIDTH
128 bit
ARCHITECTURE
Maxwell 2.0
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Pro 555X
GTX 965M
Core Specs
Shading Units
768
1,024
+33.3%
Shaders
768
1,024
+33.3%
TMUs
48
64
+33.3%
ROPs
16
32
+100.0%
Compute Units
12
—
Clocks
Base Clock
—
924 MHz
Boost Clock
—
950 MHz
GPU Clock
907 MHz
—
Memory Clock
1470 MHz
5.9 Gbps effective
1253 MHz
5 Gbps effective
Memory
Memory Size
4 GB
2 GB
VRAM (MB)
4,096
2,048
-50.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
128 bit
Bandwidth
94.08 GB/s
80.19 GB/s
Cache
L1 Cache
16 KB (per CU)
48 KB (per SMM)
L2 Cache
1024 KB
1024 KB
Performance
Pixel Rate
14.51 GPixel/s
30.40 GPixel/s
Texture Rate
43.54 GTexel/s
60.80 GTexel/s
FP32 (TFLOPS)
1,393.2 GFLOPS
1.946 TFLOPS
FP64 (TFLOPS)
87.07 GFLOPS (1:16)
60.80 GFLOPS (1:32)
FP16 (TFLOPS)
1,393.2 GFLOPS (1:1)
—
Power
TDP
75 W
—
TDP (W)
75
—
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
Maxwell 2.0
GPU Name
Polaris 21
GM204
Generation
Radeon Pro Mac
(500X Series)
GeForce 900M
Process Size
14 nm
28 nm
Transistors
3,000 million
5,200 million
Die Size
123 mm²
398 mm²
Foundry
GlobalFoundries
TSMC
Density
24.4M / mm²
13.1M / mm²
API Support
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.3
1.4
OpenCL
2.1
3.0
CUDA
—
5.2
Shader Model
6.7
6.8
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
—
GeForce 800M
Successor
—
GeForce 10 Mobile