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 Pro W6900X
CORE STATE
Navi 21
VRAM
32 GB
CLOCK SPEED
2171 MHz
TDP
300 W
BUS WIDTH
256 bit
ARCHITECTURE
RDNA 2.0
PROCESS
7 nm
LAUNCH DATE
2021
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_metal
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 8670M
Pro W6900X
Core Specs
Shading Units
320
5,120
+1500.0%
Shaders
320
5,120
+1500.0%
TMUs
20
320
+1500.0%
ROPs
8
128
+1500.0%
Compute Units
5
80
+1500.0%
Clocks
Base Clock
925 MHz
1825 MHz
Boost Clock
975 MHz
2171 MHz
Memory Clock
900 MHz
1800 Mbps effective
2000 MHz
16 Gbps effective
Memory
Memory Size
1024 MB
32 GB
VRAM (MB)
1,024
32,768
+3100.0%
Memory Type
DDR3
GDDR6
Memory Bus
64 bit
256 bit
Bandwidth
14.40 GB/s
512.0 GB/s
Cache
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
128 KB
4 MB
L3 Cache
—
128 MB
L0 Cache
—
32 KB per WGP
Performance
Pixel Rate
7.800 GPixel/s
277.9 GPixel/s
Texture Rate
19.50 GTexel/s
694.7 GTexel/s
FP32 (TFLOPS)
624.0 GFLOPS
22.23 TFLOPS
FP64 (TFLOPS)
39.00 GFLOPS (1:16)
1,389.4 GFLOPS (1:16)
FP16 (TFLOPS)
—
44.46 TFLOPS (2:1)
AI/RT
RT Cores
—
80
Power
TDP
—
300 W
TDP (W)
—
300
Suggested PSU
—
700 W
Architecture
Architecture
GCN 1.0
RDNA 2.0
GPU Name
Sun
Navi 21
Generation
Solar System
(HD 8600M)
Radeon Pro Mac
(Navi II Series)
Process Size
28 nm
7 nm
Transistors
690 million
26,800 million
Die Size
56 mm²
520 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
51.5M / mm²
API Support
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1 (1.2)
2.1
Shader Model
6.5 (5.1)
6.8
Physical
Length
—
267 mm
10.5 inches
Height
—
120 mm
4.7 inches
Outputs
—
1x HDMI 2.14x Thunderbolt
Bus Interface
PCIe 3.0 x8
Apple MPX
Other
Launch Price
—
5,999 USD
Production
End-of-life
End-of-life
Predecessor
London
—
Successor
Gem System
—