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 9070 XT
CORE STATE
Navi 48
VRAM
16 GB
CLOCK SPEED
2970 MHz
TDP
304 W
BUS WIDTH
256 bit
ARCHITECTURE
RDNA 4.0
PROCESS
4 nm
LAUNCH DATE
2025
PERFORMANCE BENCHMARKS
geekbench_opencl
3dmark_3dmark_steel_nomad_dx12
geekbench_vulkan
passmark_directx_10
passmark_directx_11
passmark_directx_12
passmark_directx_9
passmark_g2d
passmark_g3d
passmark_gpu_compute
DETAILED SPECIFICATIONS
SPECIFICATION
HD 8670M
RX 9070 XT
Core Specs
Shading Units
320
4,096
+1180.0%
Shaders
320
4,096
+1180.0%
TMUs
20
256
+1180.0%
ROPs
8
128
+1500.0%
Compute Units
5
64
+1180.0%
Clocks
Base Clock
925 MHz
1660 MHz
Boost Clock
975 MHz
2970 MHz
Game Clock
—
2400 MHz
Memory Clock
900 MHz
1800 Mbps effective
2518 MHz
20.1 Gbps effective
Memory
Memory Size
1024 MB
16 GB
VRAM (MB)
1,024
16,384
+1500.0%
Memory Type
DDR3
GDDR6
Memory Bus
64 bit
256 bit
Bandwidth
14.40 GB/s
644.6 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
128 KB
8 MB
L3 Cache
—
64 MB
L0 Cache
—
32 KB per WGP
Performance
Pixel Rate
7.800 GPixel/s
380.2 GPixel/s
Texture Rate
19.50 GTexel/s
760.3 GTexel/s
FP32 (TFLOPS)
624.0 GFLOPS
48.66 TFLOPS
FP64 (TFLOPS)
39.00 GFLOPS (1:16)
1.521 TFLOPS (1:32)
FP16 (TFLOPS)
—
97.32 TFLOPS (2:1)
AI/RT
RT Cores
—
64
Matrix Cores
—
128
Power
TDP
—
304 W
TDP (W)
—
304
Suggested PSU
—
700 W
Power Connectors
—
2x 8-pin
Architecture
Architecture
GCN 1.0
RDNA 4.0
GPU Name
Sun
Navi 48
Generation
Solar System
(HD 8600M)
Navi IV
(RX 9000)
Process Size
28 nm
4 nm
Transistors
690 million
53,900 million
Die Size
56 mm²
357 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
151.0M / 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
—
Dual-slot
Outputs
—
1x HDMI 2.1b3x DisplayPort 2.1a
Bus Interface
PCIe 3.0 x8
PCIe 5.0 x16
Other
Launch Price
—
599 USD
Production
End-of-life
Active
Predecessor
London
Navi III
Successor
Gem System
—