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 W6400
CORE STATE
Navi 24
VRAM
4 GB
CLOCK SPEED
2321 MHz
TDP
50 W
BUS WIDTH
64 bit
ARCHITECTURE
RDNA 2.0
PROCESS
6 nm
LAUNCH DATE
2022
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
HD 8670M
PRO W6400
Core Specs
Shading Units
320
768
+140.0%
Shaders
320
768
+140.0%
TMUs
20
48
+140.0%
ROPs
8
32
+300.0%
Compute Units
5
12
+140.0%
Clocks
Base Clock
925 MHz
2039 MHz
Boost Clock
975 MHz
2321 MHz
Memory Clock
900 MHz
1800 Mbps effective
2000 MHz
16 Gbps effective
Memory
Memory Size
1024 MB
4 GB
VRAM (MB)
1,024
4,096
+300.0%
Memory Type
DDR3
GDDR6
Memory Bus
64 bit
64 bit
Bandwidth
14.40 GB/s
128.0 GB/s
Cache
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
128 KB
1024 KB
L3 Cache
—
8 MB
L0 Cache
—
32 KB per WGP
Performance
Pixel Rate
7.800 GPixel/s
74.27 GPixel/s
Texture Rate
19.50 GTexel/s
111.4 GTexel/s
FP32 (TFLOPS)
624.0 GFLOPS
3.565 TFLOPS
FP64 (TFLOPS)
39.00 GFLOPS (1:16)
222.8 GFLOPS (1:16)
FP16 (TFLOPS)
—
7.130 TFLOPS (2:1)
AI/RT
RT Cores
—
12
Power
TDP
—
50 W
TDP (W)
—
50
Suggested PSU
—
250 W
Power Connectors
—
None
Architecture
Architecture
GCN 1.0
RDNA 2.0
GPU Name
Sun
Navi 24
Generation
Solar System
(HD 8600M)
Radeon Pro Navi
(Navi II Series)
Process Size
28 nm
6 nm
Transistors
690 million
5,400 million
Die Size
56 mm²
107 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
50.5M / 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)
2.2
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
—
Single-slot
Outputs
—
2x DisplayPort 1.4a
Bus Interface
PCIe 3.0 x8
PCIe 4.0 x4
Other
Production
End-of-life
End-of-life
Predecessor
London
Radeon Pro Vega
Successor
Gem System
—