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 RX 580 2048SP
CORE STATE
Polaris 20
VRAM
4 GB
CLOCK SPEED
1284 MHz
TDP
150 W
BUS WIDTH
256 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2018
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
3dmark_3dmark_steel_nomad_dx12
DETAILED SPECIFICATIONS
SPECIFICATION
HD 8790M
RX 580 2048SP
Core Specs
Shading Units
384
2,048
+433.3%
Shaders
384
2,048
+433.3%
TMUs
24
128
+433.3%
ROPs
8
32
+300.0%
Compute Units
6
32
+433.3%
Clocks
Base Clock
850 MHz
1168 MHz
Boost Clock
900 MHz
1284 MHz
Memory Clock
1000 MHz
4 Gbps effective
1750 MHz
7 Gbps effective
Memory
Memory Size
2 GB
4 GB
VRAM (MB)
2,048
4,096
+100.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
256 bit
Bandwidth
64.00 GB/s
224.0 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
41.09 GPixel/s
Texture Rate
21.60 GTexel/s
164.4 GTexel/s
FP32 (TFLOPS)
691.2 GFLOPS
5.259 TFLOPS
FP64 (TFLOPS)
43.20 GFLOPS (1:16)
328.7 GFLOPS (1:16)
FP16 (TFLOPS)
—
5.259 TFLOPS (1:1)
Power
TDP
—
150 W
TDP (W)
—
150
Suggested PSU
—
450 W
Power Connectors
None
1x 8-pin
Architecture
Architecture
GCN 1.0
GCN 4.0
GPU Name
Mars
Polaris 20
Generation
Solar System
(HD 8700M)
Polaris
(RX 500)
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
Dual-slot
Length
—
241 mm
9.5 inches
Outputs
Portable Device Dependent
1x DVI1x HDMI 2.0b3x DisplayPort 1.4a
Bus Interface
MXM-A (3.0)
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
London
Arctic Islands
Successor
Gem System
Vega