GPU Comparison
RADEON
AMD Radeon HD 8670M
CORE STATE
Sun
VRAM
1024 MB
CLOCK SPEED
975 MHz
TDP
—
BUS WIDTH
64 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2013
VS
RADEON
Radeon RX 480
CORE STATE
Ellesmere
VRAM
8 GB
CLOCK SPEED
1266 MHz
TDP
150 W
BUS WIDTH
256 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2016
PERFORMANCE BENCHMARKS
geekbench_opencl
3dmark_3dmark_steel_nomad_dx12
geekbench_metal
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 8670M
RX 480
Core Specs
Shading Units
320
2,304
+620.0%
Shaders
320
2,304
+620.0%
TMUs
20
144
+620.0%
ROPs
8
32
+300.0%
Compute Units
5
36
+620.0%
Clocks
Base Clock
925 MHz
1120 MHz
Boost Clock
975 MHz
1266 MHz
Memory Clock
900 MHz
1800 Mbps effective
2000 MHz
8 Gbps effective
Memory
Memory Size
1024 MB
8 GB
VRAM (MB)
1,024
8,192
+700.0%
Memory Type
DDR3
GDDR5
Memory Bus
64 bit
256 bit
Bandwidth
14.40 GB/s
256.0 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
128 KB
2 MB
Performance
Pixel Rate
7.800 GPixel/s
40.51 GPixel/s
Texture Rate
19.50 GTexel/s
182.3 GTexel/s
FP32 (TFLOPS)
624.0 GFLOPS
5.834 TFLOPS
FP64 (TFLOPS)
39.00 GFLOPS (1:16)
364.6 GFLOPS (1:16)
FP16 (TFLOPS)
—
5.834 TFLOPS (1:1)
Power
TDP
—
150 W
TDP (W)
—
150
Suggested PSU
—
450 W
Power Connectors
—
1x 6-pin
Architecture
Architecture
GCN 1.0
GCN 4.0
GPU Name
Sun
Ellesmere
Generation
Solar System
(HD 8600M)
Arctic Islands
(RX 400)
Process Size
28 nm
14 nm
Transistors
690 million
5,700 million
Die Size
56 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
—
Dual-slot
Length
—
240 mm
9.4 inches
Height
—
95 mm
3.7 inches
Outputs
—
1x HDMI 2.0b3x DisplayPort 1.4a
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Other
Launch Price
—
229 USD
Production
End-of-life
End-of-life
Predecessor
London
Pirate Islands
Successor
Gem System
Polaris