GPU Comparison
RADEON
AMD Radeon HD 8790M
CORE STATE
Mars
VRAM
2 GB
CLOCK SPEED
900 MHz
TDP
—
BUS WIDTH
128 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2013
VS
RADEON
Radeon Pro 580X
CORE STATE
Ellesmere
VRAM
8 GB
CLOCK SPEED
1200 MHz
TDP
185 W
BUS WIDTH
256 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2019
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
geekbench_metal
DETAILED SPECIFICATIONS
SPECIFICATION
HD 8790M
Pro 580X
Core Specs
Shading Units
384
2,304
+500.0%
Shaders
384
2,304
+500.0%
TMUs
24
144
+500.0%
ROPs
8
32
+300.0%
Compute Units
6
36
+500.0%
Clocks
Base Clock
850 MHz
1100 MHz
Boost Clock
900 MHz
1200 MHz
Memory Clock
1000 MHz
4 Gbps effective
1710 MHz
6.8 Gbps effective
Memory
Memory Size
2 GB
8 GB
VRAM (MB)
2,048
8,192
+300.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
256 bit
Bandwidth
64.00 GB/s
218.9 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
256 KB
2 MB
Performance
Pixel Rate
7.200 GPixel/s
38.40 GPixel/s
Texture Rate
21.60 GTexel/s
172.8 GTexel/s
FP32 (TFLOPS)
691.2 GFLOPS
5.530 TFLOPS
FP64 (TFLOPS)
43.20 GFLOPS (1:16)
345.6 GFLOPS (1:16)
FP16 (TFLOPS)
—
5.530 TFLOPS (1:1)
Power
TDP
—
185 W
TDP (W)
—
185
Power Connectors
None
—
Architecture
Architecture
GCN 1.0
GCN 4.0
GPU Name
Mars
Ellesmere
Generation
Solar System
(HD 8700M)
Radeon Pro Mac
(500X Series)
Process Size
28 nm
14 nm
Transistors
950 million
5,700 million
Die Size
77 mm²
232 mm²
Foundry
TSMC
GlobalFoundries
Density
12.3M / mm²
24.6M / 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
MXM Module
IGP
Outputs
Portable Device Dependent
2x HDMI 2.0b
Bus Interface
MXM-A (3.0)
Apple MPX
Other
Production
End-of-life
End-of-life
Predecessor
London
—
Successor
Gem System
—