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 460
CORE STATE
Baffin
VRAM
2 GB
CLOCK SPEED
1200 MHz
TDP
75 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2016
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
R9 M290X
RX 460
Core Specs
Shading Units
1,280
896
-30.0%
Shaders
1,280
896
-30.0%
TMUs
80
56
-30.0%
ROPs
32
16
-50.0%
Compute Units
20
14
-30.0%
Clocks
Base Clock
850 MHz
1090 MHz
Boost Clock
900 MHz
1200 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
1024 KB
Performance
Pixel Rate
28.80 GPixel/s
19.20 GPixel/s
Texture Rate
72.00 GTexel/s
67.20 GTexel/s
FP32 (TFLOPS)
2.304 TFLOPS
2.150 TFLOPS
FP64 (TFLOPS)
144.0 GFLOPS (1:16)
134.4 GFLOPS (1:16)
FP16 (TFLOPS)
—
2.150 TFLOPS (1:1)
Power
TDP
100 W
75 W
TDP (W)
100
75
-25.0%
Suggested PSU
—
250 W
Power Connectors
None
None
Architecture
Architecture
GCN 1.0
GCN 4.0
GPU Name
Neptune
Baffin
Generation
Gem System
(R9 M200)
Arctic Islands
(RX 400)
Process Size
28 nm
14 nm
Transistors
2,800 million
3,000 million
Die Size
212 mm²
123 mm²
Foundry
TSMC
GlobalFoundries
Density
13.2M / 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
MXM Module
Dual-slot
Length
—
170 mm
6.7 inches
Outputs
Portable Device Dependent
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x8
Other
Production
End-of-life
End-of-life
Predecessor
Solar System
Pirate Islands
Successor
Polaris Mobile
Polaris