GPU Comparison
RADEON
AMD Radeon R9 M290X
CORE STATE
Neptune
VRAM
4 GB
CLOCK SPEED
900 MHz
TDP
100 W
BUS WIDTH
256 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2014
VS
RADEON
Radeon RX 550
CORE STATE
Lexa
VRAM
2 GB
CLOCK SPEED
1183 MHz
TDP
50 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2017
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
3dmark_3dmark_steel_nomad_dx12
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
R9 M290X
RX 550
Core Specs
Shading Units
1,280
512
-60.0%
Shaders
1,280
512
-60.0%
TMUs
80
32
-60.0%
ROPs
32
16
-50.0%
Compute Units
20
8
-60.0%
Clocks
Base Clock
850 MHz
1100 MHz
Boost Clock
900 MHz
1183 MHz
Memory Clock
1200 MHz
4.8 Gbps effective
1750 MHz
7 Gbps effective
Memory
Memory Size
4 GB
2 GB
VRAM (MB)
4,096
2,048
-50.0%
Memory Type
GDDR5
GDDR5
Memory Bus
256 bit
128 bit
Bandwidth
153.6 GB/s
112.0 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
512 KB
Performance
Pixel Rate
28.80 GPixel/s
18.93 GPixel/s
Texture Rate
72.00 GTexel/s
37.86 GTexel/s
FP32 (TFLOPS)
2.304 TFLOPS
1,211.4 GFLOPS
FP64 (TFLOPS)
144.0 GFLOPS (1:16)
75.71 GFLOPS (1:16)
FP16 (TFLOPS)
—
1,211.4 GFLOPS (1:1)
Power
TDP
100 W
50 W
TDP (W)
100
50
-50.0%
Suggested PSU
—
250 W
Power Connectors
None
None
Architecture
Architecture
GCN 1.0
GCN 4.0
GPU Name
Neptune
Lexa
Generation
Gem System
(R9 M200)
Polaris
(RX 500)
Process Size
28 nm
14 nm
Transistors
2,800 million
2,200 million
Die Size
212 mm²
103 mm²
Foundry
TSMC
GlobalFoundries
Density
13.2M / mm²
21.4M / 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
MXM Module
Dual-slot
Length
—
145 mm
5.7 inches
Outputs
Portable Device Dependent
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x8
Other
Launch Price
—
79 USD
Production
End-of-life
End-of-life
Predecessor
Solar System
Arctic Islands
Successor
Polaris Mobile
Vega