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
GEFORCE
Quadro K4000M
CORE STATE
GK104
VRAM
4 GB
CLOCK SPEED
601 MHz
TDP
100 W
BUS WIDTH
256 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2012
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
HD 8670M
Quadro K4000M
Core Specs
Shading Units
320
960
+200.0%
Shaders
320
960
+200.0%
TMUs
20
80
+300.0%
ROPs
8
32
+300.0%
Compute Units
5
—
Clocks
Base Clock
925 MHz
601 MHz
Boost Clock
975 MHz
601 MHz
Memory Clock
900 MHz
1800 Mbps effective
700 MHz
2.8 Gbps effective
Memory
Memory Size
1024 MB
4 GB
VRAM (MB)
1,024
4,096
+300.0%
Memory Type
DDR3
GDDR5
Memory Bus
64 bit
256 bit
Bandwidth
14.40 GB/s
89.60 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
128 KB
512 KB
Performance
Pixel Rate
7.800 GPixel/s
12.02 GPixel/s
Texture Rate
19.50 GTexel/s
48.08 GTexel/s
FP32 (TFLOPS)
624.0 GFLOPS
1,153.9 GFLOPS
FP64 (TFLOPS)
39.00 GFLOPS (1:16)
48.08 GFLOPS (1:24)
Power
TDP
—
100 W
TDP (W)
—
100
Power Connectors
—
None
Architecture
Architecture
GCN 1.0
Kepler
GPU Name
Sun
GK104
Generation
Solar System
(HD 8600M)
Quadro Kepler-M
(Kx000M)
Process Size
28 nm
28 nm
Transistors
690 million
3,540 million
Die Size
56 mm²
294 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
12.0M / mm²
API Support
DirectX
12 (11_1)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.2.175
OpenCL
2.1 (1.2)
3.0
CUDA
—
3.0
Shader Model
6.5 (5.1)
6.5 (5.1)
Physical
Slot Width
—
MXM Module
Outputs
—
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
MXM-B (3.0)
Other
Production
End-of-life
End-of-life
Predecessor
London
Quadro Fermi-M
Successor
Gem System
Quadro Maxwell-M