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 R9 370X
CORE STATE
Trinidad
VRAM
2 GB
CLOCK SPEED
1030 MHz
TDP
180 W
BUS WIDTH
256 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
HD 8670M
R9 370X
Core Specs
Shading Units
320
1,280
+300.0%
Shaders
320
1,280
+300.0%
TMUs
20
80
+300.0%
ROPs
8
32
+300.0%
Compute Units
5
24
+380.0%
Clocks
Base Clock
925 MHz
980 MHz
Boost Clock
975 MHz
1030 MHz
Memory Clock
900 MHz
1800 Mbps effective
1400 MHz
5.6 Gbps effective
Memory
Memory Size
1024 MB
2 GB
VRAM (MB)
1,024
2,048
+100.0%
Memory Type
DDR3
GDDR5
Memory Bus
64 bit
256 bit
Bandwidth
14.40 GB/s
179.2 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
128 KB
512 KB
Performance
Pixel Rate
7.800 GPixel/s
32.96 GPixel/s
Texture Rate
19.50 GTexel/s
82.40 GTexel/s
FP32 (TFLOPS)
624.0 GFLOPS
2.637 TFLOPS
FP64 (TFLOPS)
39.00 GFLOPS (1:16)
164.8 GFLOPS (1:16)
Power
TDP
—
180 W
TDP (W)
—
180
Suggested PSU
—
450 W
Power Connectors
—
2x 6-pin
Architecture
Architecture
GCN 1.0
GCN 1.0
GPU Name
Sun
Trinidad
Generation
Solar System
(HD 8600M)
Pirate Islands
(R9 300)
Process Size
28 nm
28 nm
Transistors
690 million
2,800 million
Die Size
56 mm²
212 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
13.2M / mm²
API Support
DirectX
12 (11_1)
12 (11_1)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.2.170
OpenCL
2.1 (1.2)
2.1 (1.2)
Shader Model
6.5 (5.1)
6.5 (5.1)
Physical
Slot Width
—
Dual-slot
Length
—
221 mm
8.7 inches
Height
—
111 mm
4.4 inches
Outputs
—
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Other
Launch Price
—
199 USD
Production
End-of-life
End-of-life
Predecessor
London
Volcanic Islands
Successor
Gem System
Arctic Islands