GPU Comparison
RADEON
AMD Radeon HD 8750M
CORE STATE
Mars
VRAM
1024 MB
CLOCK SPEED
825 MHz
TDP
—
BUS WIDTH
128 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2013
VS
RADEON
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
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_metal
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 8750M
Pro 555X
Core Specs
Shading Units
384
768
+100.0%
Shaders
384
768
+100.0%
TMUs
24
48
+100.0%
ROPs
8
16
+100.0%
Compute Units
6
12
+100.0%
Clocks
Base Clock
775 MHz
—
Boost Clock
825 MHz
—
GPU Clock
—
907 MHz
Memory Clock
900 MHz
1800 Mbps effective
1470 MHz
5.9 Gbps effective
Memory
Memory Size
1024 MB
4 GB
VRAM (MB)
1,024
4,096
+300.0%
Memory Type
DDR3
GDDR5
Memory Bus
128 bit
128 bit
Bandwidth
28.80 GB/s
94.08 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
256 KB
1024 KB
Performance
Pixel Rate
6.600 GPixel/s
14.51 GPixel/s
Texture Rate
19.80 GTexel/s
43.54 GTexel/s
FP32 (TFLOPS)
633.6 GFLOPS
1,393.2 GFLOPS
FP64 (TFLOPS)
39.60 GFLOPS (1:16)
87.07 GFLOPS (1:16)
FP16 (TFLOPS)
—
1,393.2 GFLOPS (1:1)
Power
TDP
—
75 W
TDP (W)
—
75
Power Connectors
—
None
Architecture
Architecture
GCN 1.0
GCN 4.0
GPU Name
Mars
Polaris 21
Generation
Solar System
(HD 8700M)
Radeon Pro Mac
(500X Series)
Process Size
28 nm
14 nm
Transistors
950 million
3,000 million
Die Size
77 mm²
123 mm²
Foundry
TSMC
GlobalFoundries
Density
12.3M / mm²
24.4M / mm²
API Support
DirectX
12 (11_1)
12 (12_0)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.3
OpenCL
2.1 (1.2)
2.1
Shader Model
6.5 (5.1)
6.7
Physical
Slot Width
—
IGP
Outputs
—
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x8
Other
Production
End-of-life
End-of-life
Predecessor
London
—
Successor
Gem System
—